PWM

CONTROLLER

+12V

ISOLATION

AND

FEEDBACK

+100V

SECONDARY

SIDE

CIRCUIT

HI

DRIVE

LO

DRIVE

HI

V

DD

UCC27200A/1A

V

SS

LI

HB

HO

HS

LO

UCC27200A, UCC27201A

www.ti.com

SLUSAF9A

– FEBRUARY 2011 – REVISED DECEMBER 2011

120-V Boot, 3-A Peak, High Frequency, High-Side/Low-Side Driver

Check for Samples: UCC27200A, UCC27201A

1

FEATURES

CONTENTS

2

•

Specified from -40

°C to 140 °C

•

Drives Two N-Channel MOSFETs in

Device Ratings

2

High-Side/Low-Side Configuration

Electrical Characteristics

4

•

Maximum Boot Voltage 120 V

Device Information

11

•

Maximum VDD Voltage 20 V

Application Information

14

•

On-Chip 0.65-V VF, 0.6-

Ω RD Bootstrap Diode

•

Greater than 1 MHz of Operation

Additional References

22

•

20-ns Propagation Delay Times

•

3-A Sink, 3-A Source Output Currents

DESCRIPTION

The

UCC27200A/1A

family

of

high

frequency

•

8-ns Rise/7-ns Fall Time with 1000-pF Load

N-Channel

MOSFET

drivers

include

a

120-V

•

1-ns Delay Matching

bootstrap diode and high-side/low-side driver with

•

Under Voltage Lockout for High-Side and

independent inputs for maximum control flexibility.

Low-Side Driver

This allows for N-Channel MOSFET control in

half-bridge, full-bridge, two-switch forward and active

•

Offered in 8-Pin SOIC (D), PowerPad

™ SOIC-8

clamp forward converters. The low-side and the

(DDA), SON-8 (DRM), SON-9 (DRC) and SON-10

high-side gate drivers are independently controlled

(DPR) Packages

and matched to 1-ns between the turn-on and turn-off

of each other. The UCC27200A/1A are based on the

APPLICATIONS

popular

UCC27200/1

drivers,

but

offer

some

•

Power Supplies for Telecom, Datacom, and

enhancements. In order to improve performance in

noisy power supply environments the UCC27200A/1A

Merchant Markets

has an enhanced ESD input structure and also has

•

Half-Bridge Applications and Full-Bridge

the ability to withstand a maximum of -18 V on its HS

Converters

pin.

•

Isolated Bus Architecture

•

Two-Switch Forward Converters

•

Active-Clamp Forward Converters

•

High Voltage Synchronous-Buck Converters

•

Class-D Audio Amplifiers

Simplified Application Diagram

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

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

2

PowerPad is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright

© 2011, 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.