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MIC4102YM Datasheet(PDF) 11 Page - Microchip Technology |
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MIC4102YM Datasheet(HTML) 11 Page - Microchip Technology |
11 / 28 page 2016 Microchip Technology Inc. DS20005575A-page 11 MIC4102 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. Package Type TABLE 3-1: PIN FUNCTION TABLE Pin Number Pin Name Description 1VDD Positive supply to lower gate drivers. Decouple this pin to VSS (Pin 7). Bootstrap diode connected to HB (Pin 2). 2 HB High-Side Bootstrap supply. External bootstrap capacitor is required. Connect positive side of bootstrap capacitor to this pin. Bootstrap diode is on-chip. 3 HO High-Side Output. Connect to gate of high-side power MOSFET. 4 HS High-Side Source connection. Connect to source of high-side power MOSFET. Connect negative side of bootstrap capacitor to this pin. 5 PWM Control Input. PWM high signal makes high-side HO output high and low-side LO output low. PWM low signal makes high-side HO output low and low-side LO output high. 6 LS Low-Side Disable. When pulled low, this control signal immediately terminates the low-side LO output drive. The low-side LO output drive will remain low until this signal is removed. HS drive is not affected by the LS signal. The logic table is below (see Table 3-2). 7VSS Chip negative supply. Generally, this will be grounded. 8 LO Low-Side Output. Connect to gate of low-side power MOSFET. MIC4102 SOIC-8L (M) (Top View) 1 VDD HB HO HS 8LO VSS LS PWM 7 6 5 2 3 4 TABLE 3-2: LS PIN LOGIC TABLE LS PWM LO HO 0000 0101 1010 1101 |
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