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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
BARRACUDA SERIES
Features
Compliant to RoHS EU Directive 2002/95/EC (-Z versions) High and flat efficiency profile - >95.5% at 12Vdc, 30% load to 100% output Wide Input voltage range: 36-75Vdc Delivers up to 33Adc output current Fully very tightly regulated output voltage Low output ripple and noise Industry standard, Quarter brick: 58.4 mm x 36.8 mm x 11.7 mm (2.30 in x 1.45 in x 0.46 in) Constant switching frequency Positive Remote On/Off logic Output over current/voltage protection Over temperature protection Wide operating temperature range (-40C to 85C) UL* 60950-1 Recognized, CSA C22.2 No. 60950-1 03 Certified, and VDE 0805:2001-12 (EN60950-1) Licensed CE mark to 2006/96/EC directive Meets the voltage and current requirements for ETSI 300-132-2 and complies with and licensed for Basic insulation rating per EN60950-1 2250 Vdc Isolation tested in compliance with IEEE 802.3 PoE standards ISO** 9001 and ISO14001 certified manufacturing facilities
RoHS Compliant
Applications
Distributed power architectures Intermediate bus voltage applications Servers and storage applications Networking equipment including Power over Ethernet (PoE) Fan assemblies and other systems requiring a tightly regulated output voltage

Options
Negative Remote On/Off logic (1=option code, factory preferred) Auto-restart after fault shutdown (4=option code, factory preferred) Base plate option (-H=option code) Passive Droop Load Sharing (-P=option code)
Description
The QBVW033A0B series of dc-dc converters are a new generation of DC/DC power modules designed to support 12Vdc intermediate bus applications where multiple low voltages are subsequently generated using point of load (POL) converters, as well as other application requiring a tightly regulated output voltage. The QBVW033A0B series operate from an input voltage range of 36 to 75Vdc and provide up to 33A output current at output voltages of 12Vdc in an industry standard quarter brick. The converter incorporates digital control, synchronous rectification technology, a fully regulated control topology, and innovative packaging techniques to achieve efficiency exceeding 96% at 12V output. This leads to lower power dissipations such that for many applications a heat sink is not required. Standard features include on/off control, output overcurrent and over voltage protection, over temperature protection, input under and over voltage lockout. The output is fully isolated from the input, allowing versatile polarity configurations and grounding connections. Builtin filtering for both input and output minimizes the need for external filtering.
* UL is a registered trademark of Underwriters Laboratories, Inc.

CSA is a registered trademark of Canadian Standards Association. VDE is a trademark of Verband Deutscher Elektrotechniker e.V. This product is intended for integration into end-user equipment . All of the required procedures of end-use equipment should be followed.
Document No: pds10-018 ver 0.5 PDF Name: QBVW033A0B_PDS.pdf
Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the Data Sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.
Parameter Input Voltage* Continuous Operating transient 100mS Operating Input transient slew rate, 50VIN to 75VIN (Output may exceed regulation limits, no protective shutdowns shall activate, CO=220F to CO, max) Non- operating continuous Operating Ambient Temperature (See Thermal Considerations section) Storage Temperature All Tstg -55 125 C Vdc I/O Isolation Voltage (100% factory Hi-Pot tested) All 2250 * Input over voltage protection will shutdown the output voltage when the input voltage exceeds threshold level. All VIN TA 80 -40 VIN -0.3 75 100 TBD 100 85 Vdc Vdc V/s Vdc C Device Symbol Min Max Unit
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter Operating Input Voltage Maximum Input Current (VIN=0V to 75V, IO=IO, max) Input No Load Current (VIN = VIN, nom, IO = 0, module enabled) Input Stand-by Current (VIN = VIN, nom, module disabled) External Input Capacitance Inrush Transient Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 12H source impedance; VIN= 48V, IO= IOmax ; see Figure 10) Input Ripple Rejection (120Hz) All Device Symbol VIN IIN,max IIN,No load IIN,stand-by 100 It
2
Min 36 -
Typ 48 80
Max 75 12
Unit Vdc Adc mA
All All All
22 1
mA F As
2
-
All
-
24
-
mAp-p
All
-
50
-
dB
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple standalone operation to an integrated part of sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included, however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a fast-acting fuse with a maximum rating of 30 A in the ungrounded input lead of the power supply (see Safety Considerations section). Based on the information provided in this Data Sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturer's Data Sheet for further information.
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Electrical Specifications (continued)
Parameter Output Voltage Set-point (VIN=VIN,nom, IO=TBDA, TA =25C) Output Voltage (Over all operating input voltage, resistive load, and temperature conditions until end of life) Output Regulation Line (VIN=TBDV to VIN, max) Load (IO=IO, min to IO, max) Load (IO=IO, min to IO, max), Intentional Droop Temperature (TA = -40C to +85C) Output Ripple and Noise on nominal output (VIN=VIN, nom and IO=IO, min to IO, max) RMS (5Hz to 20MHz bandwidth) Peak-to-Peak (5Hz to 20MHz bandwidth) External Output Capacitance Output Current Output Current Limit Inception Efficiency VIN=VIN, nom, TA=25C IO=100% IO, max, VO= VO,set IO=40% IO, max to 75% IO, max , VO= VO,set Switching Frequency Dynamic Load Response dIO/dt=1A/10s; Vin=Vin,nom; TA=25C; (Tested with a 1.0F ceramic, a 10F tantalum, and 470F capacitor and across the load.) Load Change from IO = 50% to 75% of IO,max: Peak Deviation Settling Time (VO <10% peak deviation) Load Change from IO = 75% to 50% of IO,max: Peak Deviation Settling Time (VO <10% peak deviation) All Vpk ts Vpk ts __ 300 700 __ mVpk s mVpk s All All All All All CO, max IO IO, lim 0 0 40 70 200 10,000 33 mVrms mVpk-pk F Adc Adc All All w/o -P -P Option All 1.0 1.0 0.2 0.2 % VO, set % VO, set Vdc % VO, set Device All Symbol VO, set VO Min TBD TBD Typ 12.00 Max TBD 12.36 Unit Vdc % VO, set
All
fsw
95.5 96.0 150
% kHz
__ __
300 700
__
Isolation Specifications
Parameter Isolation Capacitance Isolation Resistance Symbol Ciso Riso Min 10 Typ 1000 Max Unit pF M
General Specifications
Parameter Calculated Reliability Based upon Telcordia SR-332 Issue 2: Method I, Case 1, (IO=80%IO, max, TA=40C, Airflow = 200 lfm), 90% confidence Weight - Open Frame Weight - with Base plate option MTBF FIT Device All All Typ TBD TBD 47.4 (1.67) 66.4 (2.34) Unit Hours 10 /Hours g (oz.) g (oz.)
9
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature Descriptions for additional information.
Parameter Remote On/Off Signal Interface (VIN=VIN, min to VIN, max , Signal referenced to VINterminal) Negative Logic: device code suffix "1" Logic Low = module On, Logic High = module Off Positive Logic: No device code suffix required Logic Low = module Off, Logic High = module On Logic Low Specification On/Off Thresholds: Remote On/Off Current - Logic Low (Vin =100V) Logic Low Voltage Logic High Voltage - (Typ = Open Collector) Logic High maximum allowable leakage current (Von/off = 2.0V) Maximum voltage allowed on On/Off pin Turn-On Delay and Rise Times (IO=IO, max) Tdelay = Time until VO = 10% of VO,set from either application of Vin with Remote On/Off set to On or operation of Remote On/Off from Off to On with Vin already applied for at least one second. Trise = Time for VO to rise from 10% of VO,set to 90% of VO,set, IO must be < 50% IO, max. Overtemperature Protection (See Feature Descriptions) Input Undervoltage Lockout Turn-on Threshold (Default) Turn-off Threshold (Default) Input Overvoltage Lockout Turn-off Threshold (Default) Turn-on Threshold (Default) 76 81 79 Vdc Vdc 34 32 35 33 36 34 Vdc Vdc All All All Tdelay,
Enable with Vin
Device
Symbol
Min
Typ
Max
Unit
All All All All All
Ion/off Von/off Von/off Ion/off Von/off
280 -0.3 2.0

310 0.8 14.5 10 14.5
A Vdc Vdc A Vdc

TBD
150 10 15
ms ms ms C
Tdelay,
Enable with on/off
Trise Tref
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Characteristic Curves, 12Vdc Output
The following figures provide typical characteristics for the QBVW033A0B (12V, 33A) at 25C. The figures are identical for either positive or negative Remote On/Off logic.
INPUT VOLTAGE, VO (V)
OUTPUT VOLTAGE On/Off VOLTAGE VO (V) (5V/div) VON/OFF (V)(2V/div)
INPUT CURRENT, Ii (A)
TIME, t (5 ms/div)
Figure 1. Typical Input Characteristic at Room Temperature.
Figure 4. Typical Start-Up Using Remote On/Off with Vin applied, negative logic version shown.
OUTPUT CURRENT OUTPUT VOLTAGE IO (A) (5A/div) VO (V) (200mV/div)
EFFCIENCY, (%)
OUTPUT CURRENT, IO (A)
TIME, t (500 s/div)
Figure 2. Typical Converter Efficiency Vs. Output current at Room Temperature and 48 Vdc Input.
Figure 5. Typical Transient Response to 0.1A/s Step Change in Load from 25% to 50% to 25% of Full Load at Room Temperature, Co=470F and 48 Vdc Input.
OUTPUT CURRENT OUTPUT VOLTAGE IO (A) (10A/div) VO (V) (200mV/div)
OUTPUT VOLTAGE INPUT VOLTAGE VIN(V) (20V/div) VO (V) (5V/div)
TIME, t (20 ms/div)
TIME, t (500 s/div)
Figure 3. Typical Start-Up Using Vin with Remote On/Off enabled, negative logic version shown.
Figure 6. Typical Transient Response to 0.1A/s Step Change in Load from 50% to 75% to 50% of Full Load at Room Temperature, Co=470F and 48 Vdc Input. 5
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Characteristic Curves, 12Vdc Output (continued)
OUTPUT VOLTAGE, VO (V) OUTPUT VOLTAGE, VO (V)
TBD
INPUT VOLTAGE, Vin (V)
OUTPUT CURRENT, IO (A)
Figure 7. Typical Output Voltage regulation vs. Input Voltage at Room Temperature.
Figure 9. Typical Output Voltage Regulation vs. Output Current at Room Temperature for the -P Option.
OUTPUT VOLTAGE, VO (V)
OUTPUT CURRENT, IO (A)
OUTPUT VOLTAGE, VO (V) (50mV/div
TIME, t (2s/div)
Figure 8. Typical Output Voltage Regulation vs. Output Current at Room Temperature. .
Figure 10. Typical Output Ripple and Noise at Room Temperature, 48 Vdc Input and Io = Io,max.
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Test Configurations
Design Considerations
Input Source Impedance
The power module should be connected to a low ac-impedance source. Highly inductive source impedance can affect the stability of the power module. For the test configuration in Figure 11, a 100F electrolytic capacitor, Cin, (ESR<0.7 at 100kHz), mounted close to the power module helps ensure the stability of the unit.
Safety Considerations
For safety-agency approval of the system in which the power module is used, the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standard, i.e., UL60950-1, CSA C22.2 No. 60950-1, and VDEEN60950-1. If the input source is non-SELV (ELV or a hazardous voltage greater than 60 Vdc and less than or equal to 75Vdc), for the module's output to be considered as meeting the requirements for safety extra-low voltage (SELV), all of the following must be true: The input source is to be provided with reinforced insulation from any other hazardous voltages, including the ac mains.
Note: Use a 1.0 F ceramic capacitor and a 10 F aluminum or tantalum capacitor. Scope measurement should be made using a BNC socket. Position the load between 51 mm and 76 mm (2 in. and 3 in.) from the module.
Note: Measure input reflected-ripple current with a simulated source inductance (LTEST) of 12 H. Capacitor CS offsets possible battery impedance. Measure current as shown above.
Figure 11. Input Reflected Ripple Current Test Setup.
One VIN pin and one VOUT pin are to be grounded, or both the input and output pins are to be kept floating. The input pins of the module are not operator accessible. Another SELV reliability test is conducted on the whole system (combination of supply source and subject module), as required by the safety agencies, to verify that under a single fault, hazardous voltages do not appear at the module's output.
Figure 12. Output Ripple and Noise Test Setup.
CONT ACT AND DISTRIBUTION LOSSES VI(+) II SUPPL Y VI(-) CONT ACT RESIST ANCE VO2 VO1 IO LOAD
Note: Do not ground either of the input pins of the module without grounding one of the output pins. This may allow a non-SELV voltage to appear between the output pins and ground. The power module has safety extra-low voltage (SELV) outputs when all inputs are SELV. The input to these units is to be provided with a maximum 30 A fast-acting (or time-delay) fuse in the ungrounded input lead. The optional heat-plate is considered floating mid-point from a spacing perspective between input and output.
Note: All measurements are taken at the module terminals. When socketing, place Kelvin connections at module terminals to avoid measurement errors due to socket contact resistance.
Figure 13. Output Voltage and Efficiency Test Setup.
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Output Overvoltage Protection
The module contains circuitry to detect and respond to output overvoltage conditions. If the overvoltage condition causes the output voltage to rise above the limit in the Specifications Table, the module will shut down and remain latched off. The overvoltage latch is reset by either cycling the input power, or by toggling the on/off pin for one second. If the output overvoltage condition still exists when the module restarts, it will shut down again. This operation will continue indefinitely until the overvoltage condition is corrected. A factory configured auto-restart option (with overcurrent and overvoltage auto-restart managed as a group) is also available. An auto-restart feature continually attempts to restore the operation until fault condition is cleared.
Feature Descriptions
Overcurrent Protection
To provide protection in a fault output overload condition, the module is equipped with internal current-limiting circuitry and can endure current limiting continuously. If the overcurrent condition causes the output voltage to fall below 8.0V, the module will shut down and remain latched off. The overcurrent latch is reset by either cycling the input power or by toggling the on/off pin for one second. If the output overload condition still exists when the module restarts, it will shut down again. This operation will continue indefinitely until the overcurrent condition is corrected. A factory configured auto-restart option (with overcurrent and overvoltage auto-restart managed as a group) is also available. An auto-restart feature continually attempts to restore the operation until fault condition is cleared.
Overtemperature Protection
These modules feature an overtemperature protection circuit to safeguard against thermal damage. The circuit shuts down and latches off the module when the maximum device reference temperature is exceeded. The module can be restarted by cycling the dc input power for at least one second or by toggling the remote on/off signal for at least one second.
Remote On/Off
The module contains a standard on/off control circuit reference to the VIN(-) terminal. Two factory configured remote on/off logic options are available. Positive logic remote on/off turns the module on during a logic-high voltage on the ON/OFF pin, and off during a logic low. Negative logic remote on/off turns the module off during a logic high, and on during a logic low. Negative logic, device code suffix "1," is the factory-preferred configuration. The On/Off circuit is powered from an internal bias supply, derived from the input voltage terminals. To turn the power module on and off, the user must supply a switch to control the voltage between the On/Off terminal and the VIN(-) terminal (Von/off). The switch can be an open collector or equivalent (see Figure 14). A logic low is Von/off = -0.3V to 0.8V. The typical Ion/off during a logic low (Vin=48V, On/Off Terminal=0.3V) is 147A. The switch should maintain a logic-low voltage while sinking 310A. During a logic high, the maximum Von/off generated by the power module is 8.2V. The maximum allowable leakage current of the switch at Von/off = 2.0V is 10A. If using an external voltage source, the maximum voltage Von/off on the pin is 14.5V with respect to the VIN(-) terminal. If not using the remote on/off feature, perform one of the following to turn the unit on: For negative logic, short ON/OFF pin to VIN(-). For positive logic: leave ON/OFF pin open.
Input Under/Over voltage Lockout
At input voltages above or below the input under/over voltage lockout limits, module operation is disabled. The module will begin to operate when the input voltage level changes to within the under and overvoltage lockout limits.
Load Sharing
For higher power requirements, the QBVW033A0B power module offers an optional feature for parallel operation (-P Option code). This feature provides a precise forced output voltage load regulation droop characteristic. The output set point and droop slope are factory calibrated to insure optimum matching of multiple modules' load regulation characteristics. To implement load sharing, the following requirements should be followed: The Vout(+) and Vout(-) planes of all parallel modules must be connected together with output traces from each module as short as possible to common power planes. These modules contain means to block reverse current flow upon start-up, when output voltage is present from other parallel modules, eliminating the requirement for external output ORing devices. However, output ORing devices should be used, if fault tolerance is desired in parallel applications. It is essential to use the modules Remote On/Off pin to control module startup; and not allow the module to startup upon application of Vin. One parallel module must start at least 15ms (may be reduced TBD) sooner than the remaining parallel modules to insure that the pre-bias detection operates correctly.
Figure 14. Remote On/Off Implementation.
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Heat Transfer via Convection
Increased airflow over the module enhances the heat transfer via convection. The thermal derating of figure 1721 shows the maximum output current that can be delivered by each module in the indicated orientation without exceeding the maximum THx temperature versus local ambient temperature (TA) for several air flow conditions. The use of Figures 16 is shown in the following example: Example What is the minimum airflow necessary for a QBVW033A0B operating at VI = 48 V, an output current of 20A, and a maximum ambient temperature of 60 C in transverse orientation. Solution: Given: Vin= 48V, IO = 20A, TA = 60 C Determine required airflow velocity (Use Figure 17): Velocity = 0.5m/s (100 LFM) or greater.
Feature Descriptions (continued)
Thermal Considerations
The power modules operate in a variety of thermal environments and sufficient cooling should be provided to help ensure reliable operation. Thermal considerations include ambient temperature, airflow, module power dissipation, and the need for increased reliability. A reduction in the operating temperature of the module will result in an increase in reliability. The thermal data presented here is based on physical measurements taken in a wind tunnel. Heat-dissipating components are mounted on the top side of the module. Heat is removed by conduction, convection and radiation to the surrounding environment. Proper cooling can be verified by measuring the thermal reference temperature (THx). Peak temperature (THx) occurs at the position indicated in Figure 15 and 16. For reliable operation this temperature should not exceed the listed temperature threshold.
TBD OUTPUT CURRENT, IO (A) LOCAL AMBIENT TEMPERATURE, TA (C) Figure 17. Output Current Derating for the Open Frame QBVW033A0B in the Transverse Orientation; Airflow Direction from Vin(+) to Vin(-); Vin = 48V. LOCAL AMBIENT TEMPERATURE, TA (C) Figure 18. Output Current Derating for the Base plate QBVW033A0B-H in the Transverse Orientation; Airflow Direction from Vin(+) to Vin(-); Vin = 48V. 9 OUTPUT CURRENT, IO (A)
. Figure 15. Location of the thermal reference temperature TH.
TBD
Figure 16. Location of the thermal reference temperature TH3 for Base plate module. The output power of the module should not exceed the rated power for the module as listed in the Ordering Information table. Although the maximum THx temperature of the power modules is TBD C, you can limit this temperature to a lower value for extremely high reliability. Please refer to the Application Note "Thermal Characterization Process For Open-Frame Board-Mounted Power Modules" for a detailed discussion of thermal aspects including maximum device temperatures. LINEAGE POWER
Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
OUTPUT CURRENT, IO (A)
Layout Considerations
The QBVW033 power module series are low profile in order to be used in fine pitch system card architectures. As such, component clearance between the bottom of the power module and the mounting board is limited. Avoid placing copper areas on the outer layer directly underneath the power module. Also avoid placing via interconnects underneath the power module. For additional layout guide-lines, refer to FLTR100V10 Data Sheet.
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 19. Output Current Derating for the Base plate QBVW033A0B-H with 0.25" heatsink in the Transverse Orientation; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
Through-Hole Lead-Free Soldering Information
The RoHS-compliant, Z version, through-hole products use the SAC (Sn/Ag/Cu) Pb-free solder and RoHS-compliant components. The module is designed to be processed through single or dual wave soldering machines. The pins have a RoHScompliant, pure tin finish that is compatible with both Pb and Pb-free wave soldering processes. A maximum preheat rate of 3C/s is suggested. The wave preheat process should be such that the temperature of the power module board is kept below 210C. For Pb solder, the recommended pot temperature is 260C, while the Pb-free solder pot is 270C max.
OUTPUT CURRENT, IO (A)
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 20. Output Current Derating for the Base plate QBVW033A0B-H with 0.5" heatsink in the Transverse Orientation; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
Reflow Lead-Free Soldering Information
The RoHS-compliant through-hole products can be processed with TBD paste-through-hole Pb or Pb-free reflow process. Process details TB
OUTPUT CURRENT, IO (A)
If additional information is needed, please consult with your Lineage Power representative for more details.
Post Solder Cleaning and Drying Considerations
Post solder cleaning is usually the final circuit-board assembly process prior to electrical board testing. The result of inadequate cleaning and drying can affect both the reliability of a power module and the testability of the finished circuit-board assembly. For guidance on appropriate soldering, cleaning and drying procedures, refer to Lineage Power Board Mounted Power Modules: Soldering and Cleaning Application Note (AP01-056EPS). 10
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 21. Output Current Derating for the Base plate QBVW033A0B-H with 1.0" heatsink in the Transverse Orientation; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
EMC Considerations
TBD
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Mechanical Outline for QBVW033A0B Through-hole Module
Dimensions are in millimeters and [inches]. Tolerances: x.x mm 0.5 mm [x.xx in. 0.02 in.] (Unless otherwise indicated) x.xx mm 0.25 mm [x.xxx in 0.010 in.] *Top side label includes Lineage Power name, product designation, and data code. ** Standard pin tail length. Optional pin tail lengths shown in Table 2, Device Options.
TOP VIEW*
SIDE VIEW
BOTTOM VIEW Pin Number PinName 1 VIN(+) 2 ON/OFF 3 VIN() 4 VOUT() 8 VOUT(+)
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Mechanical Outline for QBVW033A0B-H (Base plate) Through-hole Module
Dimensions are in millimeters and [inches]. Tolerances: x.x mm 0.5 mm [x.xx in. 0.02 in.] (Unless otherwise indicated) x.xx mm 0.25 mm [x.xxx in 0.010 in.] *Side label includes product designation, and data code. ** Standard pin tail length. Optional pin tail lengths shown in Table 2, Device Options. ***Bottom label includes Lineage Power name, product designation, and data code
TOP VIEW
SIDE VIEW*
BOTTOM VIEW*** Pin Number PinName 1 VIN(+) 2 ON/OFF 3 VIN() 4 VOUT() 8 VOUT(+)
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Recommended Pad Layouts
Dimensions are in millimeters and (inches). Tolerances: x.x mm 0.5 mm ( x.xx in. 0.02 in.) [unless otherwise indicated] x.xx mm 0.25 mm ( x.xxx in 0.010 in.)
Through-Hole Modules
Pin Number 1 2 3 4 8
PinName VIN(+) ON/OFF VIN() VOUT() VOUT(+)
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Preliminary Data Sheet January 21, 2011
QBVW033A0B Series Power Modules; DC-DC Converters 36-75Vdc Input; 12Vdc Output; 33A Output Current
Ordering Information
Please contact your Lineage Power Sales Representative for pricing, availability and optional features.
Table 1. Device Codes
Product codes QBVW033A0B41Z QBVW033A0B541Z QBVW033A0B641Z QBVW033A0B41-HZ QBVW033A0B641-HZ QBVW033A0B541-PZ QBVW033A0B1-PHZ QBVW033A0B41-PHZ QBVW033A0B61-PHZ Input Voltage 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) 48V (3675Vdc) Output Voltage 12V 12V 12V 12V 12V 12V 12V 12V 12V Output Current 33A 33A 33A 33A 33A 33A 33A 33A 33A Efficiency 95.5% 95.5% 95.5% 95.5% 95.5% 95.5% 95.5% 95.5% 95.5% Connector Type Through hole Through hole Through hole Through hole Through hole Through hole Through hole Through hole Through hole Comcodes CC109165247 CC109165263 CC109165692 CC109165255 CC109165701 CC109167086 CC109167094 CC109167103 CC109167111
Table 2. Device Options
Characteristic Ratings
Form Factor Family Designator Input Voltage Output Current Output Voltage Pin Length Action following Protective Shutdown On/Off Logic Load Sharing Mechanical Features Customer Specific RoHS Q BV W 033A0 B 8 6 5 4 1 P
Character and Position
Definition
Q = Quarter Brick BV = BARRACUDA Series, without PMBus and Sense/Trim pins W = Wide Range, 36V-75V 033A0 = 033.0 Amps Maximum Output Current B = 12.0V nominal Omit = Default Pin Length shown in Mechanical Outline Figures 8 = Pin Length: 2.79 mm 0.25mm , (0.110 in. 0.010 in.) 6 = Pin Length: 3.68 mm 0.25mm , (0.145 in. 0.010 in.) 5 = Pin Length: 6.35 mm 0.25mm , (0.250 in. 0.010 in.) Omit = Latching Mode 4 = Auto-restart following shutdown (Overcurrent/Overvoltage) Omit = Positive Logic 1 = Negative Logic
Options
Omit = Very Tight Load Regulation P = Forced Droop Load Regulation for use in parallel applications Omit = Standard Open Frame Module H H = Heat plate, for use with heat sinks or cold-walls XY XY = Customer Specific Modified Code, Omit for Standard Code Z Z = RoHS 6/6 Compliant, Lead free
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Lineage Power reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information. Lineage Power DC-DC products are protected under various patents. Information on these patents is available at www.lineagepower.com/patents. (c) 2010 Lineage Power Corporation, (Plano, Texas) All International Rights Reserved.
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