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| NON-ISOLATED DC/DC CONVERTERS 4.5 - 13.2V Input / 1.0 - 3.3V Output / 6A S7AH-06E / V7AH-06E Series * * * * * Compact surface mount package PRELIMINARY High efficiency means less power dissipation Remote on/off Extra wide input voltage range Ideal for Intermediate Bus Architecture applications Description The S/V7AH-06E Series are non-isolated step down DC/DC converters that operate from with an extra wide input range (4.5V to 13.2V). This allows them to operate from a nominal 5V or 12V source or from an unregulated source such as a bus converter in an Intermediate Bus Architecture application. These modules are available in a range of output voltages from 1.0V to 3.3V. They are offered in a compact ovemolded package rated at 6A. Optional lead-forming provides a vertical mount product for minimal footprint or a surface mount option for very low profile. Standard features include remote on/off, over current protection and output voltage adjust. These products maybe used almost anywhere low-voltage silicon is being employed and a nominal 5 - 12V source is available. Typical applications include file servers, routers, line cards, and other computing and communications equipment. Part Selection Output Voltage 3.3V 2.5V 1.8V 1.5V 1.2V Input Voltage 4.5 - 13.2V 4.5 - 13.2V 4.5 - 13.2V 4.5 - 13.2V 4.5 - 13.2V Max. Output Current 6A 6A 6A 6A 6A Max. Output Power 19.8W 15.0W 10.8W 9.0W 7.2W Typical Efficiency* 90% 88% 85% 84% 82% Part Number Surface Mount S7AH-06E330 S7AH-06E250 S7AH-06E180 S7AH-06E150 S7AH-06E120 Part Number Vertical Mount V7AH-06E330 V7AH-06E250 V7AH-06E180 V7AH-06E150 V7AH-06E120 * Typical Efficiency at Vin= 8V (slightly higher for Vin = 5V, slightly lower for Vin = 12V) Input Specifications Parameter Input Voltage Range Input Current (no load) Input Current (full load) Reflected Ripple Current Min 4.5 VDC Typ 50mA 60mA rms 150mA pk-pk 5.7A 120mA rms 250mA pk-pk With a simulated source impedance of 500nH, 5Hz to 20 MHz Max 13.2 VDC Notes Output Specifications Parameter Voltage Adjustability Output Current Setpoint Accuracy Total Regulation Ripple and Noise Min 90% 0A -2.5% -2.0% Typ Max 110% 6A +2.5% +2.0% 100mV pk-pk 50mV rms Includes line, load and temperature. 0 to 20MHz Bandwidth Use 1.0uF ceramic and 10uF Aluminum on output Notes Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 4.5 - 13.2V Input / 1.0 - 3.3V Output / 6A Output Specifications (continued) Parameter Transient Response 3.3V / 2.5V 1.8V / 1.5V / 1.2V Min Typ Max 200mV / 150uS 160mV / 150uS Notes Max dev / recovery time di/dt = 0.5A/uS, Vin =8VDC Ta = 25C, 50-100% load change with 220uF external capacitance. General Specifications Parameter Switching Frequency Dimensions inches mm Weight Operating Temperature Non-Operating Temperature Protection Features Short circuit Over current Remote On/Off Signal Low (OFF) Signal High (ON) Specification 400kHz typical (fixed) 0.7 x 0.65 x 0.32 17.78 x 16.51 x 8.13 6.2 g -40C to 85C -40C to 100C Latching shutdown 130% to 250% max Io -0.3 to 1.3V 3.5 to 6.5V Pin Connections Pin 1 2 3 4 5 Function On/Off Vin Ground Vout Trim bel bel S7AH-06Exxx V7AH-06Exxx 2003 Bel Fuse Inc. Specifications subject to change without notice. 060303 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 4.5 - 13.2V Input / 1.0 - 3.3V Output / 6A Derating Guidelines Output Trim Equations Equations for calculating the trim resistor (in k) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the resistors should be used for any given application. A -B Vnom - Vadj C RTrimUp = -D Vadj - Vnom RTrimDown = Vnom 3.3V 1.8V A 168.70 74.95 B 152.80 152.80 C 37.14 37.14 D 90.90 90.90 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com |
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