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VRA3-DIP Series Dc-Dc Converter
Rev. 11-2006 Features
*Wide (2:1) input range *Isolated & regulated 3W output *Efficiency up to 82% *Dual voltage output *DIP package style *metal package *No heatsink required *1.5K Vdc isolation *Pinout compatible with ERICSSON PKV *MTBF >1,000,000 hours *Temperature range: -40C~+85C *Continuous short circuit protection *RoHS Compliant
Model Number VRA3-D5-D5-DIP VRA3-D5-D9-DIP VRA3-D5-D12-DIP VRA3-D5-D15-DIP VRA3-D12-D5-DIP VRA3-D12-D9-DIP VRA3-D12-D12-DIP VRA3-D12-D15-DIP VRA3-D24-D5-DIP VRA3-D24-D9-DIP VRA3-D24-D12-DIP VRA3-D24-D15-DIP VRA3-D48-D5-DIP VRA3-D48-D9-DIP VRA3-D48-D12-DIP VRA3-D48-D15-DIP Nominal 5 Vdc 5 Vdc 5 Vdc 5 Vdc 12 Vdc 12 Vdc 12 Vdc 12 Vdc 24 Vdc 24 Vdc 24 Vdc 24 Vdc 48 Vdc 48 Vdc 48 Vdc 48 Vdc
Input Voltage Range 4.5~9 Vdc 4.5~9 Vdc 4.5~9 Vdc 4.5~9 Vdc 9~18 Vdc 9~18 Vdc 9~18 Vdc 9~18 Vdc 18~36 Vdc 18~36 Vdc 18~36 Vdc 18~36 Vdc 36~72 Vdc 36~72 Vdc 36~72 Vdc 36~72 Vdc Max. 11 Vdc 11 Vdc 11 Vdc 11 Vdc 22 Vdc 22 Vdc 22 Vdc 22 Vdc 40 Vdc 40 Vdc 40 Vdc 40 Vdc 80 Vdc 80 Vdc 80 Vdc 80 Vdc
Output Voltage 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc
Output Current Max. 300 mA 165 mA 125 mA 100 mA 300 mA 165 mA 125 mA 100 mA 300 mA 165 mA 125 mA 100 mA 300 mA 165 mA 125 mA 100 mA Min. 30 mA 16 mA 12 mA 10 mA 30 mA 16 mA 12 mA 10 mA 30 mA 16 mA 12 mA 10 mA 30 mA 16 mA 12 mA 10 mA Efficiency 72% 73% 77% 79% 75% 79% 80% 81% 78% 80% 81% 82% 76% 81% 81% 82%
Package Style DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP
General Specifications
Output short circuit protection Temperature rise at full load Cooling Operating temperature range Storage temperature range Storage humidity range Case material MTBF continuous, auto recovery 15C typ., 25C max. Free air convection -40C to +85C -55C to +125C <95% Metal >1,000,000 hrs.
Isolation Specifications
Item Isolation Voltage Isolation Resistance Test Conditions Min. 1500 Vdc >1000 M Typ. Max.
V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062
www.v-infinity.com
1-866-372-1258
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VRA3-DIP Series Dc-Dc Converter
Rev. 11-2006
Output Specifications
Item Line Regulation Load Regulation Output voltage accuracy (Vo1) Test conditions Input voltage from low to high From 10% to 100% load 5, 9V 12, 15, 24V Output voltage accuracy (Vo2) 5, 9V 12, 15, 24V Temperature drift refer to recommended circuit Ripple 20 Hz-400 Hz Bandwidth Noise DC-20MHz Bandwidth Switching frequency 100% load Min. Typ. 0.2% 0.5% 1% 1% 2% Max. 0.5% 1% 3% 2% 5% 3% 0.03%/C 50 mVp-p 150 mVp-p
100 mVp-p 100-650 KHz
Notes: 1. All specifications measured at TA=25 C, humidity <75%, nominal input voltage and rated output load unless otherwise specified. 2. See recommended circuits below for more details.
Applications: The VRA3-DIP Series are specially designed for applications where wide range input voltage power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. These products apply to: 1) Where the voltage of the input power supply is wide range (voltage range: 2:1); 2) Where isolation is necessary between input and output (Isolation Voltage = 1500 Vdc) 3) Where the regulation of the output voltage and the output ripple noise are demanding.
V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062
www.v-infinity.com
1-866-372-1258
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VRA3-DIP Series Dc-Dc Converter
Rev. 11-2006 Pin Connections
Vo+
Pin
Bottom View
23 9 1011
0V
-Vin NC +Vo -Vo 0V Vin
2,3 10,15 14 11
Vo-
Input Current(A)
2322
16 1514
9,16 22,23
Ip
Outline Dimensions & Recommended Footprint Details
31.80 0.50 20.30
23 22 1615 14
Input Voltage Range
Input Voltage (V)
9.45
MP:10.5
23
9 10 11
General:
Cin:
5V,12V 24V,48V
100uF 47uF 22uF
15.24
Cout:100uF
Requirement on Output Load
2.54 22.86
2 x 2.54 4.00
To ensure this module operates efficiently and reliably, a minimum load is specified for this kind of DC/DC converter in addition to a maximum load (namely full load). During operation, make sure the specified range of input voltage is not exceeded, the minimum out put load is not less than 10% of the full load, and that this product should never be operated under no load!!! If the
(Bottom View)
(Side View)
Note: All Pins on a 2.54mm pitch; All Pin diameters are 0.50 mm(Tolerance:0.10);
Typical Characteristics
Temperature Derating Graph
actual load is below the specified minimum load, the output ripple of this type of DC/DC converter will increase drastically and at the same time efficiency & reliability of the circuit will decrease deeply .If the actual output power from the load in your circuit is very small, please connect a resistor with proper resistance at the output end to in parallel to increase the load, or use our company's other products with a lower rated output power. The products cannot be used in parallel and
Operating Temp.( C )
Application Note Recommended circuit All the VRA3-DIP Series have been tested according to the following recommended testing circuit before leaving factory. This series should be tested under load. Never be tested under no load (see figures 1 & 2). If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the capacitance should not be too high (external capacitor table). If you want to use the products in high EMI, please choose our metal packaged products. Input Current When it is used in unregulated power supply, be sure that the fluctuating range of the power supply and the rippled voltage do not exceed the module standard. Input current of power supply should afford the startup current of this kind of DC/DC module (see figure 2). General: lp 1.3*lin-max
in plug and play.
External Capacitor Table
Vout 5 9 12 15 24
Cout (Max)
500F 240F 150F 120F 100F
V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062
www.v-infinity.com
1-866-372-1258

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