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| 1/4 VHB50 Series Half Brick DC to DC Converter Rev. 06-2006 Features *25/50W isolated output *Efficiency to 85% *300KHz switching frequency *2:1 input range *Regulated outputs *Continuous short circuit protection *Five-sided metal case *Industry standard half-brick package Model Number VHB50-D12-S2R5 VHB50-D12-S3R3 VHB50-D12-S5 VHB50-D12-S12 VHB50-D12-S15 VHB50-D12-S24 VHB50-D24-S2R5 VHB50-D24-S3R3 VHB50-D24-S5 VHB50-D24-S12 VHB50-D24-S15 VHB50-D24-S24 VHB50-D48-S2R5 VHB50-D48-S3R3 VHB50-D48-S5 VHB50-D48-S12 VHB50-D48-S15 VHB50-D48-S24 Input Voltage 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 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 10A 10A 10A 4.16A 3.33A 2.08A 10A 10A 10A 4.16A 3.33A 2.08A 10A 10A 10A 4.16A 3.33A 2.08A I nput Current No Load Full Load 50mA 2740mA 50mA 3525mA 50mA 5145mA 50mA 4950mA 50mA 4950mA 50mA 4950mA 50mA 1353mA 50mA 1740mA 50mA 2540mA 50mA 2450mA 50mA 2450mA 50mA 2419mA 50mA 676mA 50mA 870mA 50mA 1250mA 50mA 1220mA 50mA 1220mA 50mA 1290mA Efficiency 76% 78% 81% 84% 84% 84% 77% 79% 82% 85% 85% 86% 77% 79% 83% 85% 85% 86% V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 2/4 VHB50 Series Half Brick DC to DC Converter Rev. 06-2006 Input Input Voltage Range 12V 24V 48V Under Voltage Lockout 12Vin power up 12Vin power down 24Vin power up 24Vin power down 48Vin power up 48Vin power down Positive Logic Remote ON/OFF 3,4 Input Filter PI Type 9-18V 18-36V 36-75V 8.8V 8V 17V 16V 34V 32.5V Output Voltage Accuracy Transient Response: 25% Step Load Change External Trim Adj. Range Ripple & Noise 20MHz BW, 2.5V, 3.3V, 5V 1% max. <500 sec. 10% 20mV RMS., max 75mV pk-pk, max 12V& 15V 30mV RMS., max 100mV pk-pk, max 24V 100mV RMS., max 240mV pk-pk, max. Temperature Coefficient 0.03%/C Short Circuit Protection Continuous Safety VHB50-D12-XXXX approved to UL60950-1 (E222736) VHB50-D24/D48-XXXX approved to UL1950 (E222736) Line Regulation 1 0.2% max Load Regulation 2 0.2% max Over Voltage Protection trip Range, % Vo nom. 115-140% Current Limit 110-150% Nominal Output General Specifications Efficiency Isolation Voltage Input/Output Input/Case Output/Case (12/24) Vin. 48 Vin. Operating Case Temperature Storage Temperature Thermal Shutdown, Case Temp. Dimensions Case Material 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 4. Suffix "N" to the model number with negative logic remote ON/OFF. 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, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 3/4 VHB50 Series Half Brick DC to DC Converter Rev. 06-2006 Application Notes Derating: The operating case temperature range of the VHB50 series is -40C to +100C. When operating the VHB50, proper derating or cooling is needed. Following is the derating curve of VHB50 without heat sink. V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 4/4 VHB50 Series Half Brick DC to DC Converter Rev. 06-2006 Remote ON/OFF Control The VHB50 series allows the user to switch the module on and off electronically with the remote on/off feature. The VHB50 series is available with "positive logic" or "negative logic" options. 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, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 |
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