IR51HD214 International Rectifier, IR51HD214 Datasheet

IR51HD214

Manufacturer Part Number

IR51HD214

Description

SELF-OSCILLATING HALF-BRIDGE

Manufacturer

International Rectifier

Datasheet

1.IR51HD214.pdf (6 pages)

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Features

Description

oscillating half-bridge.

immune

HEXFET ®

ruggedized single package construction. The front-end

features a programmable oscillator which functions

similar to the CMOS 555 timer. The supply to the

control circuit has a zener clamp to simplify offline

operation. The output features two HEXFETs in a

half-bridge

deadtime designed for minimum cross-conduction in

the half-bridge. Propagation delays for the high and

low side power MOSFETs are matched to simplify use

in 50% duty cycle applications.

operate up to 250 volts.

Typical Connection

The IR51HD214 is a high voltage, high speed, self-

Previous Datasheet

Output Power MOSFETs in half-bridge configuration

High side gate drive designed for bootstrap operation

Bootstrap diode integrated into package

Accurate timing control for both Power MOSFETs

Internal oscillator with programmable frequency

Zener clamped Vcc for offline operation

Half-bridge output is out of phase with R

250V Rated Breakdown Voltage

Matched delay to get 50% duty cycle

Matched deadtime of 1.2us

V I N

1 4

. × (

CMOS

U P T O 2 5 0 V D C B U S

C O M

power

configuration

technologies,

MOSFET

Proprietary HVIC and latch

) ×

with

technology,

along

R T

C T

The device can

internally

I R 5 1 H D 2 1 4

with

C O M

C C

enable

V I N

To Order

V O

SELF-OSCILLATING HALF-BRIDGE

the

set

Index

Product Summary

Package

Duty Cycle

Deadtime

DS(on)

(max)

IR51HD214

= 25 ºC )

9506

Data Sheet No. PD-6.058D

Next Data Sheet

250V

50%

1.2µs

2.0

2.0W

T O L O A D

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