3710M-G1 Ver la hoja de datos (PDF) - BCD Semiconductor

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3710M-G1

LOW POWER PWM CONTROLLER FOR OFF-LINE ADAPTER

BCD Semiconductor 

LOW POWER PWM CONTROLLER FOR OFF-LINE ADAPTER

Functional Block Diagram

Data Sheet

AP3710

2

VCC

5

VSEN

1

GND

UVLO

COMPARATOR

- VREF

(1.2V)

+

BIAS

VREF

(1.2V)

PWM

COMPARATOR

FB

+

-

-

START-UP

CURRENT

SOURCE

PWM

CONTROL

DISCHARGE

COMPARATOR

SLOP

COMPENSATION

+

_

VREF

(1.2V)

DISCHARGE

LOGIC

OSCILLATOR

DRIVER

4

OUT

7 VA

Figure 3. Functional Block Diagram of AP3710

Aug. 2008 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

3

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