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APW8820QAI-TRG Datasheet(PDF) 10 Page - Anpec Electronics Coropration |
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APW8820QAI-TRG Datasheet(HTML) 10 Page - Anpec Electronics Coropration |
10 / 23 page Copyright © ANPEC Electronics Corp. Rev. A.1 - Dec., 2012 APW8820 www.anpec.com.tw 10 Pin Description (Cont.) PIN TQFN4x4-24 QFN3x3-20 NAME Function 21 18 PHASE5 This pin is the return path for the high-side gate driver of PWM5. Connecting this pin to the high-side MOSFET source and connecting a capacitor to BOOT5 for the bootstrap voltage. 22 19 SYSPOK PWM5 and PWM3 Power Good Output Indicator. This pin used to indicate the status of the PWM5 and PWM3. If an fault even detected on FB5, this pin represents a 100Ω resistance. If an fault even detected on FB3, this pin represents a 45Ω resistance. Once the VFB5 and VFB3 exceed 90% of reference voltage and operate normally, this pin represents high impedance. 23 - BYP Bypass this pin to LDO5. Once VBYP exceeds 4.68V, an internal switch connects BYP to LDO5. Connecting this pin to output of PWM5. 24 20 CSN5 Negative Input of current sensing amplifier for PWM5. This pin combined with CSP5 senses the inductor current through an RC network. Exposed Pad Exposed Pad GND Signal and Power Ground. |
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