Additional Resources: Product Page rev. page 1 of 6 date 05/2009 PART NUMBER: VHB75 DESCRIPTION: dc-dc converter 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 Safety approvals MODEL Input Output Output I nput Current Voltage Voltage Current No Load Full Load Efficiency VHB75-D12-S2R5 9-18 VDC 2.5VDC 15A 50mA 4110mA 76% vHB75-D12-S3R3 9-18 VDC 3.3VDC 15A 50mA 5290mA 78% VHB75-D12-S5 9-18 VDC 5VDC 15A 50mA 7715mA 81% VHB75-D12-S12 9-18 VDC 12VDC 6.25A 50mA 7440mA 84% VHB75-D12-S15 9-18 VDC 15VDC 5A 50mA 7440mA 84% VHB75-D12-S24 9-18 VDC 24VDC 3.13A 50mA 7440mA 84% VHB75-D24-S2R5 18-36 VDC 2.5VDC 15A 50mA 2029mA 77% VHB75-D24-S3R3 18-36 VDC 3.3VDC 15A 50mA 2610mA 79% VHB75-D24-S5 18-36 VDC 5VDC 15A 50mA 3810mA 82% VHB75-D24-S12 18-36 VDC 12VDC 6.25A 50mA 3675mA 85% VHB75-D24-S15 18-36 VDC 15VDC 5A 50mA 3675mA 85% VHB75-D24-S24 18-36 VDC 24VDC 3.13A 50mA 3640mA 86% VHB75-D48-S2R5 36-75 VDC 2.5VDC 15A 50mA 1015mA 77% VHB75-D48-S3R3 36-75 VDC 3.3VDC 15A 50mA 1305mA 79% VHB75-D48-S5 36-75 VDC 5VDC 15A 50mA 1883mA 83% vHB75-D48-S12 36-75 VDC 12VDC 6.25A 50mA 1838mA 85% VHB75-D48-S15 36-75 VDC 15VDC 5A 50mA 1838mA 86% VHB75-D48-S24 36-75 VDC 24VDC 3.13A 50mA 1820mA 86% th 20050 SW 112 Ave. Tualatin, Oregon 97062 pphhoonnee 503.612.2300 ffaaxx 503.612.2382 Additional Resources: Product Page rev. page 2 of 6 date 05/2009 DESCRIPTION: dc-dc converter PART NUMBER: VHB75 INPUT Input Voltage Range 12V: 9-18V 24V: 18-36V 48V: 36-75V Under Voltage Lockout 12 Vin: power up 8.8V power down 8V 24Vin: power up 17V power down 16V 48Vin: power down 34V power down 32.5V ON/OFF Control see notes 3&4 Input Filter PI Type OUTPUT Voltage Accuracy 1% max. Transient Response: 25% Step Load Change <500 sec. External Trim Adj. Range 10% Ripple & Noise 2.5V, 3.3V, 5V 20 mV RMS., max 20MHz BW 75 mV p-p., max 12V & 15V 30 mV RMS., max 100 mV p-p., max 24V 100 mV RMS., max 240 mV p-p, max Temperature Coefficient 0.03%/C Short Circuit ProtectionContinuous Safety approved to UL1950 (E222736) 1 Line Regulation 0.2% max 2 Load Regulation 0.2% max Over Voltage Protection trip Range, % Vo nom. 115-140% Current Limit 110-150% Nominal Output GENERAL SPECIFICATIONS Efficiency see table Isolation Voltage Input/Output 1500VDC min. Input/Case 1500VDC min. Output/Case 1500VDC min. 7 Isolation Resistance 10 Ohm min. Switching Frequency 12-24Vin 400kHz, Typ. 48Vin 300kHz, Typ Operating Case Temperature -40C ~ +100C Storage Temperature -55C ~ +105C Thermal Shutdown, Case Temp. 100C Typ. Dimensions 2.28x2.40x0.50 inches (57.9x61.0x12.7mm) Case Material aluminum NOTES: 1. Measured from high line to low line 2. Measured from full load to zero load 3. On/Off Control: Positive logic default. Referenced to -Vin. Open collector. Module ON...open circuit Module OFF...<0.8Vdc 4. For negative logic On/Off control, add suffix N to the model number th 20050 SW 112 Ave. Tualatin, Oregon 97062 pphhoonnee 503.612.2300 ffaaxx 503.612.2382