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IR2121PBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR2121PBF
部品説明 CURRENT LIMITING LOW SIDE DRIVER
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR2121PBF Datasheet, IR2121PBF PDF,ピン配置, 機能
Data Sheet No. PD60018-M
IR2121 & (PbF)
CURRENT LIMITING LOW SIDE DRIVER
Features
Product Summary
Gate drive supply range from 12 to 18V
Undervoltage lockout
Current detection and limiting loop to limit driven
power transistor current
Error lead indicates fault conditions and programs
shutdown time
Output in phase with input
2.5V, 5V and 15V input logic compatible
Also available LEAD-FREE
Description
VOFFSET
IO+/-
VOUT
VCSth
ton/off (typ.)
5V max.
1A / 2A
12 - 18V
230 mV
150 & 150 ns
The IR2121 is a high speed power MOSFET and
Package
IGBT driver with over-current limiting protection cir-
cuitry. Latch immune CMOS technology enables rug-
gedized monolithic construction. Logic inputs are
compatible with standard CMOS or LSTTL outputs,
down to 2.5V logic . The output driver features a
high pulse current buf fer stage designed for mini-
mum cross-conduction. The protection circuitry de-
tects over-current in the driven power transistor and
limits the gate drive voltage. Cycle-by-cycle shut-
down is programmed by an external capacitor which
8-Lead PDIP
directly controls the time interval between detection of the over-current limiting condition and latched shut-
down. The output can be used to drive an N-channel power MOSFET or IGBT in the low side configuration.
Typical Connection
TO
LOAD
VCC
IN
(Refer to Lead
Assignments for correct
pin configuration). This/
These diagram(s) show
electrical connections
only. Please refer to our
Application Notes and
DesignTips for proper
circuit board layout.
VCC
IN
ERR
COM
VCC
OUT
CS
VS
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1
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CURRENT LIMITING LOW SIDE DRIVER

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