Manufacturers
CUI VHB75-D24-S24
Description
CONVERTER DC/DC 24V OUT 75W
Part Number
VHB75-D24-S24
Price
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Manufacturer
CUI
Lead Time
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Category
PRODUCTS - V
Datasheet
Extracted Text
1/ 4 VHB75 Single Output Half Brick DC-DC Converter Rev. 06-2006 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 on 24V and 48V input models Model Input Output Output I nput Current Number 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-SR33 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% V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 2/ 4 VHB75 Single Output Half Brick DC-DC Converter Rev. 06-2006 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 <500µ sec. External Trim Adj. Range ±10% Ripple & Noise 2.5V, 3.3V, 5V 20mV RMS., max 20MHz BW 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 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 -40°C to +100°C Storage Temperature -55°C to +105°C Thermal Shutdown, Case Temp. 100°C 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 V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 3/ 4 VHB75 Single Output Half Brick DC-DC Converter Rev. 06-2006 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-h )/ h The thermal resistances are listed below. The temperature rise (D T): DT = Pd * Rca V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 4/ 4 VHB75 Single Output Half Brick DC-DC Converter Rev. 06-2006 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
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