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DESCRIPTION

APPLICATIONS

Simplified Application Diagram

PWM

CONTROLLER

+12V

ISOLATION

AND

FEEDBACK

+100V

SECONDARY

SIDE

CIRCUIT

HI

DRIVE

LO

DRIVE

HI

V

DD

UCC27200/1

V

SS

LI

HB

HO

HS

LO

UCC27200, UCC27201

SLUS746 – DECEMBER 2006

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

• Specified from -40 °C to 140 °C

Device Ratings

2

• Drives Two N-Channel MOSFETs in

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

Additional References

22

• Greater than 1 MHz of Operation

• 20-ns Propagation Delay Times

• 3-A Sink, 3-A Source Output Currents

The

UCC27200/1

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

independent inputs for maximum control flexibility.

• Under Voltage Lockout for High-Side and

This allows for N-Channel MOSFET control in

Low-Side Driver

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

clamp forward converters. The low-side and the

high-side gate drivers are independently controlled

• Power Supplies for Telecom, Datacom, and

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

Merchant Markets

turn-off of each other.

• Half-Bridge Applications and Full-Bridge

Converters

• Isolated Bus Architecture

• Two-Switch Forward Converters

• Active-Clamp Forward Converters

• High Voltage Synchronous-Buck Converters

• Class-D Audio Amplifiers

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.

PowerPad is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2006, 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.