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IR51H224 Datasheet

  • IR51H224

  • SELF-OSCILLATING HALF BRIDGE

  • 7頁(yè)

  • IRF

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Preliminary Data Sheet No. PD60083
I
IR51H(D)224
IR51H(D)320
IR51H(D)420
SELF-OSCILLATING HALF BRIDGE
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Output Power MOSFETs in half-bridge configuration
High side gate drive designed for bootstrap operation
Bootstrap diode integrated into package (HD type)
Accurate timing control for both Power MOSFET
s
Matched delay to get 50% duty cycle
Matched deadtime of 1.2us
鈥?/div>
Internal oscillator with programmable frequency
Product Summary
VIN (max) 250V (IR51H(D)224)
400V (IR51H(D)310)
500V (IR51H(D)420)
Duty Cycle
50%
Deadtime
Rds(on)
1.2碌s
1.1W (IR51H(D)224)
3.0W (IR51H(D)310)
3.6W (IR51H(D)420)
2.0W
f
=
1
1
.
4
脳 (
R
T
+
75
鈩?/div>
) 脳
C
T
鈥?/div>
15.6V Zener clamped Vcc for offline operation
鈥?/div>
Half-bridge output is out of phase with R
T
鈥?/div>
Micropower startup
PD (TA = 25
o
C)
Package
Description
The IR51H(D)XXX are complete high voltage, high speed, self-
oscillating half-bridge circuits. Proprietary HVIC and latch im-
mune CMOS technologies, along with the HEXFET
廬
power
MOSFET technology, enable ruggedized single package construc-
tion. The front-end features a programmable oscillator which func-
tions 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 in-
ternally 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 500 volts.
Typical Connection
DC Bus
VIN
D1
IR51H(D)XXX
1
Vcc
V
B
6
External
Fast recovery diode D1 is
not required for HD type
2
R
T
3
C
T
4
R
T
V
IN
9
C
T
VO
7
COM
TO,
LOAD
COM

IR51H224 產(chǎn)品屬性

  • 21

  • 集成電路 (IC)

  • PMIC - MOSFET，電橋驅(qū)動(dòng)器 - 內(nèi)部開關(guān)

  • -

  • 半橋

  • 反相

  • 1

  • 1.1 歐姆

  • 1.1A

  • -

  • 10 V ~ 15.6 V

  • -40°C ~ 125°C

  • 通孔

  • 9-SIP（7 引線）

  • 9-SIP，7 引線

  • 管件

  • *IR51H224

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