Ramp and Clock

Generator

AVIN

EN

PVIN

Gate

Drive

SW

PGND

+

-

+

-

SS

SNS

Error

Amp

PWM

Comp

Oscillator

Reference

UVLO

DAC

Zc2

400 k:

200 k:

200 k:

20 pF

SGND

Zc1

Current Limit

LM2852

SNVS325E – JANUARY 2005 – REVISED JANUARY 2016

www.ti.com

7 Detailed Description

7.1 Overview

The LM2852 is a DC-DC synchronous buck regulator belonging to Texas Instrument’s SIMPLE SWITCHER

family. Integration of the PWM controller, power switches and compensation network greatly reduces the

component count required to implement a switching power supply.

7.2 Functional Block Diagram

10

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