MPX2003

– UP TO 140kHz ALL-IN-ONE FLYBACK CONTROLLER

MPX2003 Rev. 1.0

MonolithicPower.com

18

8/5/2022

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FUNCTIONAL BLOCK DIAGRAM

+

VOUT+

SGND

VDD

SDRV

VOUT-

COMP

SRD

PGND

CS

+

+

VCC

HV

PDRV

AC~

PEP

FB

IS

Sec-Pri

Communication

B/I B/O

Detection

Start Up

Unit

Power

Management

Over Power

Compensation

Slope

Compensation

Comparator

Fault

Management

Driving Signal

Management

Receive &

Decoding

Power

Management

Fault

Management

SR Driving

Signal

Management

PFM

Coding and

Transmission

Power Supply

OTP

OFF

Primary ON

SGND

PGND

QR

Control

Soft

Start

VREF

Figure 1: Functional Block Diagram