Diodes AP1680 Manuel d'utilisateur télécharger pdf (Page 3)

LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER AP1680

Preliminary Datasheet

BCD Semiconductor Manufacturing LimitedApr. 2011 Rev. 1. 0

Regulator

Bias

Tonsec

Detector

0.1V

4.0V

pfm

Tons

COMP

UVLO

CV_ctrl

pfm

Driver

CC_ctrl

2, 5

OCkP

Peak Current Control & LEB

Constant Current Control

Tons

Constant Voltage Control

Functional Block Diagram

Figure 3. Functional Block Diagram of AP1680

OUT

GND

VCC

1 2 3 4 5 6 7 8 9

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Diodes AP1680 Manuel d'utilisateur Page 3