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FAN5091 Datasheet(PDF) 3 Page - Fairchild Semiconductor |
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FAN5091 Datasheet(HTML) 3 Page - Fairchild Semiconductor |
3 / 21 page PRODUCT SPECIFICATION FAN5091 REV. 1.0.0 5/10/01 3 Absolute Maximum Ratings Recommended Operating Conditions 20 ILIM Current Limit. A resistor from this pin to ground sets the over current trip level. 21 DROOP/E* Droop Control/Energy Star Mode Control. A resistor from this pin to ground sets the amount of droop by controlling the gain of the current sense amplifier. When this pin is pulled high to BYPASS, the slice A drivers are turned off for Energy-star operation. 22 ENABLE/SS Output Enable/Softstart. A logic LOW on this pin will disable the output. An internal current source allows for open collector control. This pin also doubles as soft start. 23 RT Frequency Set. A resistor from this pin to ground sets the switching frequency. 24 VFB Voltage Feedback. Connect to the desired regulation point at the output of the converter. Parameter Min. Typ. Max. Unit Supply Voltage VCC 15 V Supply Voltages BOOTA, BOOTB 18 V Voltage Identification Code Inputs, VID0-VID4 6 V VFB, ENABLE/SS, PWRGD, DROOP/E* 6 V SWA, SWB -3 15 V PGNDA, PGNDB to AGND -0.5 0.5 V Gate Drive Current, peak pulse 3 A Junction Temperature, TJ -55 150 °C Storage Temperature -65 150 °C Lead Soldering Temperature, 10 seconds 300 °C Power Dissipation, PD 950 mW Thermal Resistance Junction-to-Case, ΘJC 13 °C/W Parameter Conditions Min. Typ. Max. Units Output Driver Supply, BOOT 10.8 12 13.2 V Input Logic HIGH 2.4 V Input Logic LOW 0.8 V Ambient Operating Temperature 0 70 °C Pin Number Pin Name Pin Function Description |
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