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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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AL8812FDF-13 Arkusz danych(PDF) 2 Page - Diodes Incorporated |
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AL8812FDF-13 Arkusz danych(HTML) 2 Page - Diodes Incorporated |
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2 / 11 page  AL8812 Document number: DS37099 Rev. 1 - 2 2 of 11 www.diodes.com March 2014 © Diodes Incorporated AL8812 Pin Descriptions Pin Name Pin Number (U-DFN6040-12) Function NC 1 No Connection GATE 2 Gate connection of internal MOSFET. INPUT 3 Feedback pin for inverting input of internal comparator VCC 4 Supply voltage pin SENSE 5 No Connection. DRIVE 6 Current drive collector: Normally connected to VCC directly or via a resistor. SW/C 7 Internal switch transistor collector SW/E 8 Internal switch transistor emitter GND 9 Ground Connection TIMING 10 Timing Capacitor to control the switching frequency. SOURCE 11 Source connecton of internal MOSFET DRAIN 12 Drain connection of internal MOSFET Exposed PAD1 Exposed Pad of MOSFET Drain Exposed PAD2 Exposed Pad of AL8812 and connect to PCB ground Functional Diagram 1.25V Reference Regulator Ipk Oscillator CT R S Q Q2 Q1 100 Comparator + _ GND TIMING SW/E SW/C DRIVE SENSE VCC INPUT GATE DRAIN SOURCE 2 3 4 5 6 7 8 9 10 12 11 |
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