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IR2121 Datasheet(PDF) 4 Page - International Rectifier

Part # IR2121
Description  CURRENT LIMITING LOW SIDE DRIVER
PDF  15 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR2121 Datasheet(HTML) 4 Page - International Rectifier

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IR2121
B-94 CONTROL INTEGRATED CIRCUIT DESIGNERS’ MANUAL
V
CC
IN
ERR
COM
1.8V
UV
DETECT
ERROR
TIMING
PRE
DRIVER
500 ns
BLANK
V
CC
OUT
V
S
CS
1.8V
AMPLIFER
-
+
0.23V
BUFFER
COMPARATOR
Lead Definitions
Lead
Symbol
Description
VCC
Logic and gate drive supply
IN
Logic input for gate driver output (OUT), in phase with OUT
ERR
Serves multiple functions; status reporting, linear mode timing and cycle by cycle logic
shutdown
COM
Logic ground
OUT
Gate drive output
VS
Gate drive supply return
CS
Current sense input to current sense comparator
Functional Block Diagram
8 Lead DIP
IR2121
Part Number
Lead Assignments
To Order
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