OUT2

GND

CS

1

2

3

4

5

6

7

8

9

10

REF

OUT1

COMP

SS

LM5033

www.ti.com

SNVS181B – APRIL 2004 – REVISED APRIL 2013

LM5033 100V Push-Pull Voltage Mode PWM Controller

Check for Samples: LM5033

1

FEATURES

PACKAGE

2

•

Internal High Voltage (100V) Start-Up

•

VSSOP-10

Regulator

•

WSON-10

•

Single Resistor Oscillator Setting

DESCRIPTION

•

Synchronizable

The LM5033 High Voltage PWM controller contains

•

Precision Reference Output

all the features needed to implement Push-Pull, Half-

•

Adjustable Soft-Start

Bridge,

and

Full-Bridge

topologies.

Applications

•

Over-Current Protection

include closed loop voltage mode converters with a

highly regulated output voltage, or an open loop "DC

•

Direct Optocoupler Interface

transformer" such as an Intermediate Bus Converter

•

1.5A Peak Gate Drivers

(IBC) with an efficiency >95%. Two alternating gate

•

Thermal Shutdown

driver outputs with a specified deadtime are provided.

The LM5033 includes a start-up regulator that

operates over a wide input range of 15V to 100V.

APPLICATIONS

Additional

features

include:

precision

voltage

•

Intermediate DC/DC Bus Converter

reference output, current limit detection, remote

•

Telecommunication Power Converters

shutdown, softstart, sync capability and thermal

shutdown. This high speed IC has total propagation

•

Industrial Power Converters

delays less than 100 ns and a 1MHz capable

•

+42V Automotive Systems

oscillator.

Connection Diagram

Figure 1. 10-Lead VSSOP, WSON

Package Number DGS0010A, DPR0010A

1

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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

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PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.