ADP3211 查看數據表（PDF） - ON Semiconductor

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ADP3211

7-Bit, Programmable, Single-Phase, Synchronous Buck Controller

ON Semiconductor 

ADP3211, ADP3211A

GND VCC EN

RPM RT RAMP

PVCC

COMP

FB

LLINE

PWRGD

CLKEN

FBRTN

UVLO Shutdown

and Bias

Oscillator

REF

VEA

−

S

+

+

+

CSREF

+S _

DAC + 200mV

−

+

CSREF

1.55V

OVP

−

+

DAC − 300 mV

PWRGD

Open

Drain

PWRGD

Startup

Delay

CLKEN

Open

Drain

Precision

Reference

CLKEN

Start Up

Delay

Current

Limit

Circuit

Soft

Transient

Delay

Delay

Disable

VID

DAC

DAC

MOSFET

Driver

OCP

Shutdown

Delay

Current

Monitor

+

−

Soft Start

and Soft

Transient

Control

REF

BST

DRVH

SW

DRVL

PGND

IMON

CSREF

CSFB

CSCOMP

ILIM

GPU

Figure 1. Functional Block Diagram

http://onsemi.com

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