IR2172 查看數據表（PDF） - International Rectifier
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IR2172 Datasheet PDF : 6 Pages
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Lead Definitions
Symbol Description
VCC
COM
Low side and logic supply voltage
Low side logic ground
VIN+
VIN-
VB
VS
PO
Positive sense input
Negative sense input
High side supply
High side return
Digital PWM output
OC
Overcurrent output (negative logic) (IR2172 only)
N.C.
No connection
IR2171/IR2172
Lead Assignment
1 VCC
VIN+ 8
2 PO 8 lead SOIC VIN- 7
IR2171S
3 COM
VB 6
4 NC
VS 5
1 VCC
VIN+ 8
2 PO 8 lead PDIP VIN- 7
IR2171
3 COM
VB 6
4 NC
VS 5
1 VCC
VIN+ 8
8 lead SOIC
2 PO
VIN- 7
IR2172S
3 COM
VB 6
4 OC
VS 5
1 VCC
VIN+ 8
2 PO
8 lead PDIP
VIN- 7
IR2172
3 COM
VB 6
4 OC
VS 5
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