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IR2125 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR2125
部品説明 CURRENT LIMITING SINGLE CHANNEL DRIVER
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR2125 Datasheet, IR2125 PDF,ピン配置, 機能
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Data Sheet No. PD-6.017D
IR2125
CURRENT LIMITING SINGLE CHANNEL DRIVER
Features
n Floating channel designed for bootstrap operation
Fully operational to +500V
Tolerant to negative transient voltage
dV/dt immune
n Gate drive supply range from 12 to 18V
n Undervoltage lockout
n Current detection and limiting loop to limit driven
power transistor current
n Error lead indicates fault conditions and programs
shutdown time
n Output in phase with input
Product Summary
VOFFSET
500V max.
IO+/-
1A / 2A
VOUT
12 - 18V
VCSth
230 mV
ton/off (typ.) 150 & 150 ns
Description
The IR2125 is a high voltage, high speed power
MOSFET and IGBT driver with over-current limit-
ing protection circuitry. Proprietary HVIC and latch
immune CMOS technologies enable ruggedized
monolithic construction. Logic inputs are compat-
ible with standard CMOS or LSTTL outputs. The
output driver features a high pulse current buffer
stage designed for minimum driver cross-conduc-
tion. The protection circuitry detects over-current
in the driven power transistor and limits the gate
drive voltage. Cycle by cycle shutdown is pro-
grammed by an external capacitor which directly
controls the time interval between detection of the
over-current limiting conditions and latched shut-
Package
down. The floating channel can be used to drive an
N-channel power MOSFET or IGBT in the high or
low side configuration which operates up to 500
volts.
Typical Connection
up to 500V
VCC
VCC
VB
IN IN OUT
ERR
CS
COM
VS
TO
LOAD
To Order
CONTROL INTEGRATED CIRCUIT DESIGNERS’ MANUAL B-107

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