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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36-60 Vdc Input; 12Vdc Output; 33A Output Current
Features
Compliant to RoHS EU Directive 2002/95/EC (-Z versions) Compliant to ROHS EU Directive 2002/95/EC with lead solder exemption (non-Z versions) High efficiency - 94% at 12V full load Delivers up to 33A output current Low output ripple and noise Industry standard Quarter brick:
RoHS Compliant
Applications
Distributed power architectures Intermediate bus voltage applications Servers and storage applications Networking equipment including Power over Ethernet (PoE)
57.9 mm x 36.8 mm x 10.6 mm (2.28 in x 1.45 in x 0.42 in) Constant switching frequency Positive Remote On/Off logic Output over current/voltage protection Over temperature protection Wide operating temperature range (-40C to 85C) ISO** 9001 certified manufacturing facilities UL* Recognized to UL60950-1 and CSA C22.2 No. 60950-1, and EN 60950-1 (VDE 0805): 2001-12 Licensed 2250 Vdc Isolation tested in compliance with IEEE 802.3 PoE standards
Options
Negative Remote On/Off logic Active load sharing (Parallel Operation) Baseplate option (-H) Auto restart after fault shutdown Case ground pin
Description
The QSK033A0B 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. The QSK033A0B series are enhanced from their predecessor QBK033A0B series, with improvements to the internal shutdown control, improved response to input voltage transients, and inclusion of output reverse current protection during startup. The QSK033A0B series operate from an input voltage range of 36 to 60Vdc and provide up to 33A output current at 12V in an industry standard quarter brick. The converter incorporates synchronous rectification technology and innovative packaging techniques to achieve efficiency reaching 94% at 12V full load. This leads to lower power dissipations such that for many applications a heat sink is not required. 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. ** ISO is a registered trademark of the International Organization of Standards IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Incorporated.
Document No: DS08-007 ver 1.0 PDF Name: QSK033A0B_ds.pdf
Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc 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 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 -0.3 -40 VIN -0.3 60 100 100 85 Vdc Vdc 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 60V, IO=IO, max) Inrush Transient Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 12H source impedance; VIN= 48V, IO= IOmax ; see Figure 9) Input Ripple Rejection (120Hz) All It
2
Device
Symbol VIN IIN,max
Min 36 -
Typ 48 -
Max 60 13
Unit Vdc Adc
2
-
-
1
As
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 (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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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Electrical Specifications (continued)
Parameter Output Voltage Set-point (VIN=VIN,nom, IO=15A, Ta =25C) Device All Symbol VO, set Min Typ 12 Max Unit Vdc
Output Voltage (Over all operating input voltage, resistive load, and temperature conditions until end of life) Output Regulation Line (VIN=VIN, min to VIN, max) Load (IO=IO, min to IO, max) 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 Capacitance Output Current Output Current Limit Inception Efficiency VIN=VIN, nom, TA=25C IO=IO, max , VO= VO,set Switching Frequency (input ripple is 1/2 fsw) Dynamic Load Response (dIo/dt=1A/10s; Vin=Vin,nom; TA=25C; Tested with a 10 F aluminum and a 1.0 F tantalum capacitor 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 All All All All All All All All All
VO
11.4
12.6
Vdc

24 360
36 600 250
mV mV mV
CO, max Io IO, lim fsw 0 0
70 200
10,000 33
mVrms mVpk-pk F Adc Adc % kHz
40 94 300

Vpk ts Vpk ts
__
300 700
__
mVpk s mVpk s
__ __
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 SR332 Issue 2: Method I, Case 1, (IO=80%IO, max, TA=40C, Airflow = 200 lfm), 90% confidence Weight - Open Frame Weight - with Baseplate option MTBF FIT Device All All Min Typ 2,459,214 406.6 49 (1.73) 64 (2.24) Max Unit Hours 10 /Hours g (oz.) g (oz.)
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Data Sheet February 2, 2009 Feature Specifications
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
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 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. (Min @ VIN,MAX, Typ@ VIN,NOM, Max @ VIN,MIN) Output Overvoltage Protection (Clamp) Overtemperature Protection (See Feature Descriptions) Input Undervoltage Lockout Turn-on Threshold Turn-off Threshold Input Overvoltage Lockout Turn-off Threshold Turn-on Threshold 62 65 63 67 Vdc Vdc 32 35 34 36 Vdc Vdc Tdelay, All
Enable with Vin
Device
Symbol
Min
Typ
Max
Unit
All All All All All
Ion/off Von/off Von/off Ion/off Von/off
5 -0.3 2.0
10
15 0.8 3.5 4.0 13.5
A Vdc Vdc A Vdc
20
ms
Tdelay,
Enable with
All All All
on/off
29 13
5 40 125
68 15
ms ms Vdc C
Trise Tref
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Data Sheet February 2, 2009 Characteristic Curves
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
The following figures provide typical characteristics for the QSK033A0B (12V, 33A) at 25C. The figures are identical for either positive or negative Remote On/Off logic.
VON/OFF (V) (2V/div) VO (V) (5V/div)
12
INPUT CURRENT, Ii (A)
10 8 6 4 2 0 30 33 36 39 42 45
Iout=33A
Iout=16.5A
Iout=0A
48
51
54
57
60
INPUT VOLTAGE, VO (V)
OUTPUT VOLTAGE
On/Off VOLTAGE
14
TIME, t (10 ms/div)
Figure 1. Typical Input Characteristic at Room Temperature.
100 95
EFFCIENCY, (%)
Figure 4. Typical Start-Up Using Remote On/Off, negative logic version shown.
OUTPUT CURRENT OUTPUT VOLTAGE
90 85 80 75 0 5 10 Vin=36V
Vin=60V Vin=48V
15
20
25
30
35
OUTPUT CURRENT, IO (A)
IO (A) (5A/div)
VO (V) (200mV/div)
TIME, t (500 s/div)
Figure 2. Typical Converter Efficiency Vs. Output current at Room Temperature.
Figure 5. Typical Transient Response to Step change in Load from 25% to 50% to 25% of Full Load at Room Temperature and 48 Vdc Input.
OUTPUT CURRENT OUTPUT VOLTAGE VO (V) (200mV/div) IO (A) (10A/div)
OUTPUT VOLTAGE,
36 Vin
VO (V) (100mV/div)
48 Vin
60 Vin
TIME, t (1s/div)
TIME, t (500 s/div)
Figure 3. Typical Output Ripple and Noise at Room Temperature and Io = Io,max.
Figure 6. Typical Transient Response to Step Change in Load from 50% to 75% to 50% of Full Load at Room Temperature and 48 Vdc Input.
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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Characteristic Curves (continued)
.
12.25 12.20 12.15 12.10 12.05 12.00 11.95 11.90 11.85 11.80 11.75 11.70 36 39 Iout=0A
OUTPUT VOLTAGE, VO (V)
Iout=16.5A
Iout=33A
INPUT VOLTAGE, Vin (V)
42
45
48
51
54
57
60
Figure 7. Typical Output voltage regulation vs. Input voltage at Room Temperature.
12.20 12.15
OUTPUT VOLTAGE, VO (V)
12.10 12.05 12.00 11.95 11.90 11.85 11.80 11.75 11.70 0 5
Vin=36V Vin=48V Vin=60V
10
15
20
25
30
35
OUTPUT CURRENT, IO (A)
Figure 8. Typical Output voltage regulation vs. Output current at Room Temperature.
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Data Sheet February 2, 2009 Test Configurations
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current Design Considerations
Input Source Impedance
The power module should be connected to a low ac-impedance source. A highly inductive source impedance can affect the stability of the power module. For the test configuration in Figure 9, a 330F electrolytic capacitor, Cin, (ESR<0.7 at 100kHz), mounted close to the power module helps ensure the stability of the unit. Consult the factory for further application guidelines.
Safety Considerations
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 9. Input Reflected Ripple Current Test Setup.
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 VDE EN60950-1. 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. One VIN pin and one VOUT pin are to be grounded, or both the input and output pins are to be kept floating.
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.
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. 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 unearthed lead.
Figure 10. 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: 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 11. Output Voltage and Efficiency Test Setup.
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Data Sheet February 2, 2009 Feature Descriptions
Overcurrent Protection
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Output Overvoltage Clamp
The output overvoltage clamp consists of a control circuit, independent of the primary regulation loop, that monitors the voltage on the output terminals and clamps the voltage when it exceeds the overvoltage set point. The control loop of the clamp has a higher voltage set point than the primary loop. This provides a redundant voltage control that reduces the risk of output overvoltage.
To provide protection in a fault output overload condition, the module is equipped with internal current-limiting circuitry and can endure current limiting for a few miliseconds. If the overcurrent condition persists beyond a few milliseconds, 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. An auto-restart option 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
Two remote on/off 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. 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 Vi (-) terminal (Von/off). The switch can be an open collector or equivalent (see Figure 12). A logic low is Von/off = -0.3V to 0.8V. The typical Ion/off during a logic low is 10 A. The switch should maintain a logic-low voltage while sinking 10A. During a logic high, the maximum Von/off generated by the power module is 3.5V. The maximum allowable leakage current of the switch at Von/off = 2.0V is 4A. If using an external voltage source, the maximum voltage V on/off on the pin is 13.5V with respect to the Vi (-) 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 VI(-). 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.
Active Load Sharing (Parallel Operation with -P option)
For additional power requirements, the power module can be configured for parallel operation with active load sharing. Good layout techniques should be observed for noise immunity when using multiple units in parallel. To implement active load sharing, the following requirements should be followed: * The share pins of all units in parallel must be connected together. The path of these connections should be as direct as possible. Vin(-) is the return for the active share signal for each module; therefore, all modules in parallel must use the same Vin source. The share signal trace should be placed as close to the Vin(-) power plane as possible. These modules contain circuitry 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. When using modules in parallel without output ORing devices, the On/Off signal for one module shall be 40mS ahead of the other modules, to allow output voltage to be established, before the remaining modules startup. If using output ORing devices, the 40mS delay is not required. When not using the parallel feature, leave the share pin open.
*
Ion/off + Von/off -
ON/OFF
*
VO(+) LOAD VI(+) VI(-) VO(-)
* Figure 12. Remote On/Off Implementation.
The auto-restart option (4) is not available for modules with the parallel, -P, option.
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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
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 110C - 125C, 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 BoardMounted Power Modules" for a detailed discussion of thermal aspects including maximum device temperatures.
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 13 and Figure 14. For reliable operation this temperature should not exceed the listed temperature threshold.
Heat Transfer via Convection
Increased airflow over the module enhances the heat transfer via convection. The thermal derating figures (15-17) show the maximum output current that can be delivered by each module in the respective orientation without exceeding the maximum TH temperature versus local ambient temperature (TA) for air flows of Natural Convection (NC), 1.0 m/s (200 ft./min), 1.5m/s (300 ft/min), 2.0 m/s (400 ft./min) and 3.0 m/s (600 ft./min). The use of Figures 15 - 19 are shown in the following example: Example What is the minimum airflow necessary for a QSK033A0B operating at VI = 48 V, an output current of 17A, and a maximum ambient temperature of 70 C in transverse orientation. Solution: Given: VI = 48V, Io = 17A, TA = 70 C Determine required airflow (V) (Use Figure 15): V = 1.0 m/sec. ( 200 ft./min.) or greater.
TH1 and TH2 shall not exceed 125C. Figure 13. Location of the thermal reference temperature TH1 and TH2 for Open Frame module.
TH3 shall not exceed 110C. Figure 14. Location of the thermal reference temperature TH3 for Baseplate module.
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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Feature Descriptions (continued)
35
35
3.0 m/s (600 LFM)
OUTPUT CURRENT, IO (A)
OUTPUT CURRENT, IO (A)
30 25 20 15 10 5 0 20 30 40 50 60
NC 1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM)
30 25 20 15 10 5 0 20 30 40 50 60 70
3.0 m/s (600 LFM)
NC
1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM)
70
80
90
80
90
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 15. Output Current Derating for the Open Frame QSK033A0B in the Transverse Orientation; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
35
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 18. Output Current Derating for the QSK033A0B-H in the Transverse Orientation with baseplate and 0.5-inch high heatsink; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
35
OUTPUT CURRENT, IO (A)
30 25 20 15 10 5 0 20 30 40 50 60
NC
3.0 m/s (600 LFM)
OUTPUT CURRENT, IO (A)
30 25 20 15 10 5 0 20 30 40 50 60 70
3.0 m/s (600 LFM)
NC
1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM)
1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM)
70
80
90
80
90
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 16. Output Current Derating for the QSK033A0B-H in the Transverse Orientation with baseplate; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
35
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 19. Output Current Derating for the QSK033A0B-H in the Transverse Orientation with baseplate and 1.0-inch high heatsink; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
OUTPUT CURRENT, IO (A)
30 25 20
NC
3.0 m/s (600 LFM)
15 10 5 0 20 30 40
1.0 m/s (200 LFM) 1.5 m/s (300 LFM) 2.0 m/s (400 LFM)
50
60
70
80
90
LOCAL AMBIENT TEMPERATURE, TA (C) Figure 17. Output Current Derating for the QSK033A0B-H in the Transverse Orientation with baseplate and 0.25-inch high heatsink; Airflow Direction from Vin(+) to Vin(-); Vin = 48V.
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Data Sheet February 2, 2009 Layout Considerations
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
RoHS-compliant through-hole products can be processed with paste-through-hole Pb or Pb-free reflow process. If additional information is needed, please consult with your Lineage Power representative for more details.
The QSK033 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.
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).
Through-Hole Lead-Free Soldering Information
The RoHS-compliant through-hole products use the SAC (Sn/Ag/Cu) Pb-free solder and RoHS-compliant components. They are designed to be processed through single or dual wave soldering machines. The pins have an RoHS-compliant 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. Not all
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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Mechanical Outline for QSK033A0B 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 VIEW*
SIDE VIEW
BOTTOM VIEW
*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. Option Feature, pin is not present unless one these options specified.
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LINEAGE POWER
Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Mechanical Outline for QSK -H (Baseplate version) 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 VIEW
SIDE VIEW
BOTTOM VIEW*
*Bottom 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. Option Feature, pin is not present unless one of these options is specified.
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Data Sheet February 2, 2009
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Recommended Pad Layout for Through-Hole Modules
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.)
3.6 (.14)
50.80 (2.000)
7.62 10.8 (.300) 3.81 (.43) (.150)
VI(+) PARALLEL ON/OFF CASE VI (-) 1.02 (.040) DIA PIN, 5 PLCS 1.57 (.062) DIA PIN, 2 PLCS 57.9 (2.28)
Vo (+)
11.43 (.450) 36.8 (1.45) 15.24 (.600)
15.24 (.600)
Vo (-)
Option Feature, pin is not present unless one of these options is specified.
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Data Sheet February 2, 2009 Ordering Information
QSK033A0B Series Power Modules; DC-DC Converters 36 - 60 Vdc Input; 12Vdc Output; 33A Output Current
Please contact your Lineage Power Sales Representative for pricing, availability and optional features. Table 1. Device Codes Product codes QSK033A0B41 QSK033A0B41Z QSK033A0B41-H QSK033A0B41-HZ QSK033A0B1-PHZ QSK033A0B7541-HZ QSK033A0B7641-H QSK033A0B761-PHZ Table 2. Device Options Option Negative remote on/off logic Auto-restart (Note: Not available with -P option) Pin length 6.35 0.25mm (0.250 0.010 in.) Pin length 3.68 0.25mm (0.145 0.010 in.) Case ground pin (offered with baseplate option only) Pin length 2.79 0.25mm (0.110 0.010 in.) Base Plate option Active load sharing (Parallel Operation) RoHS compliant modules Suffix 1 4 5 6 7 8 -H -P -Z Input Voltage 48V (36-60Vdc) 48V (36-60Vdc) 48V (36-60Vdc) 48V (36-60Vdc) 48V (36-60Vdc) 48V (36-60Vdc) 48V (36-60Vdc) 48V (36-60Vdc) Output Voltage 12V 12V 12V 12V 12V 12V 12V 12V Output Current 33A 33A 33A 33A 33A 33A 33A 33A Efficiency 94% 94% 94% 94% 94% 94% 94% 94% Connector Type Through hole Through hole Through hole Through hole Through hole Through hole Through hole Through hole Comcodes CC109148292 CC109149233 CC109148301 CC109148318 CC109148045 CC109148326 CC109148334 CC109149225
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World Wide Headquarters Lineage Power Corporation 3000 Skyline Drive, Mesquite, TX 75149, USA +1-800-526-7819 (Outside U.S.A.: +1-972-284-2626) www.lineagepower.com e-mail: techsupport1@lineagepower.com
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Document No: DS08-007 ver 1.0 PDF Name: QSK033A0B_ds.pdf

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