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ISL97645AIRZ-TK Datasheet(PDF) 2 Page - Intersil Corporation |
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ISL97645AIRZ-TK Datasheet(HTML) 2 Page - Intersil Corporation |
2 / 15 page 2 FN6353.0 July 2, 2007 Pin Descriptions PIN NUMBER NAME DESCRIPTION 1 GND Signal ground 2 VGH_M Gate Pulse Modulator Output 3 VFLK Gate Pulse Modulator Control input 4 VDPM Gate Pulse Modulator Enable. Connect a capacitor from VDPM to GND to set the delay time before GPM is enabled. A 20 μA current source charges CDPM. Power on delay time = 60.75k*CDPM. 5 VDD1 Gate Pulse Modulator Low Voltage Input 6 VDD2 VCOM Amplifier Supply 7 OUT VCOM Amplifier Output 8 NEG VCOM Amplifier Inverting input 9 POS VCOM Amplifier Non-inverting input 10 AGND VCOM Amplifier Ground 11 CD2 Voltage detector rising edge delay. Connect a capacitor between this pin and GND to set the rising edge delay. 12 VDIV Voltage detector threshold. Connect to the center of a resistive divider between VIN and GND. 13 RESET Voltage detector reset output. 14 SS Boost Converter Soft-Start. Connect a capacitor between this pin and GND to set the soft-start time. 15 COMP Boost Converter Compensation pin. Connect a series resistor and capacitor between this pin and GND to optimize transient response. 16 FREQ Boost Converter frequency select 17 VIN2 Boost Converter power supply 18 LX Boost Converter Switching Node 19 ENABLE Chip Enable pin. Connect to VIN1 for normal operation, GND for shutdown. 20 FB Boost Converter Feedback 21 PGND Boost Converter Power Ground 22 RE Gate Pulse Modulator Slew Control. Connect a resistor between this pin and GND to set the falling slew rate. 23 CE Gate Pulse Modulator Delay Control. Connect a capacitor between this pin and GND to set the delay time. 24 VGH Gate Pulse Modulator High Voltage Input ISL97645A |
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