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FAN5232 Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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FAN5232 Datasheet(HTML) 2 Page - Fairchild Semiconductor |
2 / 9 page FAN5232 PRODUCT SPECIFICATION 2 REV. 1.1.1 10/7/02 Pin Assignments Pin Description Absolute Maximum Ratings1 Note: 1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if Operating Conditions are not exceeded. Pin Number Pin Name Pin Function Description 1 VBATT Battery Voltage. Battery voltage sensor. 2 3V_ALWAYS 3.3V-ALWAYS Linear Regulator. Total load current on pins 2 and 3 together must not exceed 50mA. 3 5V_ALWAYS 5V-ALWAYS Linear Regulator. Total load current on pins 2 and 3 together must not exceed 50mA. 4 AGND Analog Ground. 5SDWN IC Shutdown. Puts entire chip into shutdown. OFF=0. ON=1. 6 SDNADJ Shutdown and Softstart for the Switcher. OFF=0. ON=1. 7 PWRGD Switcher Output OK. An open collector output that will be low if the switcher output is out of spec. 8 VFBSW Voltage Feedback for the Switcher. 9 PGND Ground for the Switcher. Connect by the shortest possible path to the source of the low side MOSFET. 10 LSD Low Side FET Driver for the Switcher. Connect this pin through a resistor to the gate of an N-channel MOSFET. 11 SW High Side FET Source and Low Side FET Drain Switching Node. 12 ISNS Current Feedback for the Switcher. Connect by the shortest possible path to a resistor connected to the drain of the low side MOSFET. 13 HSD High Side FET Driver for the Switcher. Connect this pin through a resistor to the gate of an N-channel MOSFET. 14 CPUMP Charge Pump for the Switcher. Generates gate drive voltage for the high-side MOSFET. Parameter Conditions Min. Typ. Max. Units VBATT Pin -0.3 29 V PHASE, IFB, SDWN Pins -5 29 V CPUMP, HSD Pins -0.3 34 V All Other Pins -0.3 6.5 V Thermal Resistance, θJ-A θJ-C 100 32 °C/W °C/W Junction Temperature 150 °C Storage Temperature -65 150 °C Lead Temperature, Soldering 10 sec. 300 °C 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VBATT 3V_ALWAYS 5V_ALWAYS AGND PWRGD CPUMP HSD ISNS SW LSD PGND VFB SDWN SDNADJ |
Número de pieza similar - FAN5232 |
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Descripción similar - FAN5232 |
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