AP3720MTR-G1 Просмотр технического описания (PDF) - BCD Semiconductor

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производитель

AP3720MTR-G1

CURRENT MODE PWM CONTROLLER FOR BJT

BCD Semiconductor 

Preliminary Datasheet

CURRENT MODE PWM CONTROLLER FOR BJT

AP3720

Control Flow Chart

START

VCC > 20V

Soft Start

(2ms)

Zero

Pulses

Over Load

Short Circuit

Over Temperature

Monitor VFB

VFB < 1.45V

1.45V<VFB< 2.45V

2.45V<VFB<4.85V

VFB > 4.85V

Skip Cycle

Mode

Operating

Frequency: 20K

(Light Load)

Operating

Frequency: 65K

(High Load)

Protection

Mode

Jul. 2009 Rev. 1. 0

BCD Semiconductor Manufacturing Limited

6

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