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| * Features *37.5W-75W isolated output *Efficiency to 85% *300KHz switching frequency *2:1 input range *Regulated outputs *Continuous short circuit protection *Industry standard half-brick package *Five-sided metal case VHB75-Single Output Half Brick DC-DC Converter Input Input Voltage Range 12V 9-18V 24V 18-36V 48V 36-75V 12 Vin power up 8.8V power down 8V 24Vin power up 17V power down 16V 48Vin power down 34V power down 32.5V (see note 4&5) Under Voltage Lockout Positive Logic Remote ON/OFF Input Filter PI Type 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 Line Regulation 1 Load Regulation 2 Over Voltage Protection trip Range, % Vo nom. Current Limit 1% max. <500 sec. 10% 20mV RMS., max 75mV pk-pk., max 30mV RMS., max 100mV pk-pk., max 100mV RMS., max 240mV pk-pk, max 0.03%/C Continuous 0.2% max 0.2% max 115-140% 110-150% Nominal Output General Specifications Efficiency Isolation Voltage Input/Output Input/Case Output/Case 12-24Vin 48Vin Operating Case Temperature Storage Temperature Thermal Shutdown, Case Temp. Dimensions Case Material see table 1500VDC min. 1500VDC min. 1500VDC min. 10 7 Ohm min. 400KHz, Typ. 300KHz, Typ -40C to +100C -55C to +105C 100C Typ. 2.28x2.40x0.50 inches (57.9x61.0x12.7mm) aluminum Isolation Resistance Switching Frequency V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005 www.v-infinity.com 1-866-372-1258 * 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...<0.8Vdc VHB75-Single Output Half Brick DC-DC Converter 4. Suffix "N" to the model number with negative logic remote on/off Model Number VHB75-D12-S2R5 VHB75-D12-S3R3 VHB75-D12-S5 VHB75-D12-S12 VHB75-D12-S15 VHB75-D12-S24 VHB75-D24-S2R5 VHB75-D24-S3R3 VHB75-D24-S5 VHB75-D24-S12 VHB75-D24-S15 VHB75-D24-S24 VHB75-D48-S2R5 VHB75-D48-SR33 VHB75-D48-S5 VHB75-D48-S12 VHB75-D48-S15 VHB75-D48-S24 Input Voltage 9-18 VDC 9-18 VDC 9-18 VDC 9-18 VDC 9-18 VDC 9-18 VDC 18-36 18-36 18-36 18-36 18-36 18-36 36-75 36-75 36-75 36-75 36-75 36-75 VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC Output Voltage 2.5VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC 2.5VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC 2.5VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC Output Current 15A 15A 15A 6.25A 5A 3.13A 15A 15A 15A 6.25A 5A 3.13A 15A 15A 15A 6.25A 5A 3.13A I nput Current No Load Full Load 50mA 4110mA 50mA 5290mA 50mA 7715mA 50mA 7440mA 50mA 7440mA 50mA 7440mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 50mA 2029mA 2610mA 3810mA 3675mA 3675mA 3640mA 1015mA 1305mA 1883mA 1838mA 1838mA 1820mA Effic. 76% 78% 81% 84% 84% 84% 77% 79% 82% 85% 85% 86% 77% 79% 83% 85% 86% 86% Case HB HB HB HB HB HB HB HB HB HB HB HB HB HB HB HB HB HB Case HB Pin Connection Pin 1. 2. 3. 4. 5. 6. 7. 8. 9. Function Vin ON/OFF NC -Vin -Vout -Sense Trim +Sense +Vout V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005 www.v-infinity.com 1-866-372-1258 * VHB75-Single Output Half Brick DC-DC Converter Application Notes Derating: The operating case temperature range of the VHB75 series is -40C to +100C. 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- )/ n The thermal resistances are listed below. n The temperature rise (T): T = Pd * Rca Remote ON/OFF Control The VHB75 series allows the user to switch the module on and off electronically with the remote on/off feature. The VHB75 series is available with "positive logic" or "negative logic" options. V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005 www.v-infinity.com 1-866-372-1258 * VHB75-Single Output Half Brick DC-DC Converter External Output Trimming Output may optionally be externally trimmed (10%) with a fixed resistor or an external trimpot as shown. Output Noise The output noise is measured with a 10F tantalum capacitor and a 1.0F ceramic capacitor across the output. V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005 www.v-infinity.com 1-866-372-1258 |
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