1/4 VHB100 Series Half Brick DC-DC Converter Rev. 05-2007 Features ·50-100W isolated output ·Efficiency to 85% ·500KHz switching frequency ·2:1 input range ·Regulated outputs ·Continuous short circuit protection ·Five-sided metal case ·Industry standard half-brick package Model Number VHB100-D24-S2R5 VHB100-D24-S3R3 VHB100-D24-S5 VHB100-D24-S12 VHB100-D24-S15 VHB100-D24-S24 VHB100-D48-S2R5 VHB100-D48-S3R3 VHB100-D48-S5 VHB100-D48-S12 VHB100-D48-S15 VHB100-D48-S24 Input Output Output Voltage 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC Voltage 2.5VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC 2.5VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC Current 20A 20A 20A 8.3A 6.7A 4.17A 20A 20A 20A 8.3A 6.7A 4.17A Input Current No Load 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA Full Load 2705mA 3480mA 5020mA 4880mA 4925mA 4905mA 1335mA 1720mA 2480mA 2442mA 2463mA 2463mA Efficiency 77% 79% 83% 85% 85% 85% 78% 80% 84% 85% 85% 85% Pin Connection Pin 1. 2. 3. 4. 5. 6. 7. 8. 9. V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com Function +Vin ON/OFF Case -Vin -Vout -Sense Trim +Sense +Vout 1-866-372-1258 2/4 VHB100 Series Half Brick DC-DC Converter Rev. 05-2007 Input Input Voltage Range Under Voltage Lockout 24V 18-36V 48V 24Vin power up 36-75V 17V 24Vin power down 48Vin power up 16V 34V 48Vin power down 32.5V Logic Compatibility: Open Collector reference to -Vin Module ON: Open Circuit Module OFF: < 0.8VDC PI Type Positive Logic Remote ON/OFF Input Filter Output Voltage Accuracy Transient Response: 25% Step Load Change External Trim Adj. Range Ripple & Noise 20MHz BW, 2.5V, 3.3V, 5V 12V& 15V 24V Temperature Coefficient Short Circuit Protection Safety Line Regulation 1 Load Regulation 2 Over Voltage Protection trip Range, % Vo nom. Current Limit ±1% max. <500µ sec. ±10% 40mV RMS., max 100mV pk-pk, max 60mV RMS., max 150mV pk-pk, max 100mV RMS., max 240mV pk-pk, max. ±0.03%/°C Continuous approved to UL60950 (E222736) ±0.2% max ±0.2% max 115-140% 110-140% Nominal Output General Specifications Efficiency Isolation Voltage Input/Output Input/Case see table 1500VDC min. 1500VDC min. Output/Case 1500VDC min. Isolation Resistance 10 7 Ohm min. Switching Frequency 500KHz, Typ. Operating Case Temperature -40°C to 100°C Storage Temperature -40°C to 105°C Thermal Shutdown, Case Temp. 100°C Typ. Dimensions 2.28x2.40x0.50 inches Case Material aluminum 57.9x61.0x12.7mm NOTES: 1. Measured from High Line to Low Line 2. Measured from Full Load to Zero Load 3. Logic Compatibility: Open Collector Ref. to -Input Module ON: Open Circuit Module OFF: <0.8 VDC 4. Suffix “N” to the Model Number with Negative Logic Remote ON/OFF V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 3/4 VHB100 Series Half Brick DC-DC Converter Rev. 05-2007 Application Notes Derating: The operating case temperature range of the VHB75 series is -40°C to +100°C. When operating the VHB75, proper derating or cooling is needed. Following is the derating curve of VHB75 without heat sink. Where: The power dissapation (Pd) is Pd= Pi - Po = Po (1- η )/ η The thermal resistances are listed below. The temperature rise (D T): D T = Pd * Rca V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 4/4 VHB100 Series Half Brick DC-DC Converter Rev. 05-2007 Remote On/Off Control The VHB75 series allows the user to switch the module on and off electronically with the remote on/off feature. Logic control defaults to “positive” logic. The diagram shows the recommentded curcuits for positive logic. The “negative logic” option is also available. External Output Trimming Output may optionally be trimmed (±10%) with external fixed resistors or an external trimpot as shown. Output Noise The output noise is measured with a 10uF tantalum capacitor and a 1.0uF ceramic capacitor across the output. V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258