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IR51H214 Datasheet(PDF) 1 Page - International Rectifier

Part No. IR51H214
Description  SELF-OSCILLATING HALF-BRIDGE
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IR51H214 Datasheet(HTML) 1 Page - International Rectifier

   
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Data Sheet No. PD-6.058D
IR51H214
SELF-OSCILLATING HALF-BRIDGE
Features
n Output Power MOSFETs in half-bridge configuration
250V Rated Breakdown Voltage
n High side gate drive designed for bootstrap operation
n Accurate timing control for both Power MOSFETs
Matched delay to get 50% duty cycle
Matched deadtime of 1.2us
n Internal oscillator with programmable frequency
f
=
+
1
14
R
75
C
TT
.
× (
) ×
n Zener clamped Vcc for offline operation
n Half-bridge output is out of phase with RT
Description
The IR51H214 is a high voltage, high speed, self-
oscillating half-bridge.
Proprietary HVIC and latch
immune
CMOS
technologies,
along
with
the
HEXFET®
power
MOSFET
technology,
enable
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
configuration
with
an
internally
set
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.
The device can
operate up to 250 volts.
Product Summary
VIN (max)
250V
Duty Cycle
50%
Deadtime
1.2µs
RDS(on)
2.0
PD (TA = 25 ºC)
2.0W
Package
IR51H214
9506
Typical Connection
TO LO A D
I R 51H 214
CO M
CC
V
V IN
B
V
CT
RT
U P T O 250V D C B U S
VO
CO M
V IN
T
R
T
C
1
2
3
4
6
9
7
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