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零件编号
产品描述 (功能)
MIC4576BU(2001) 查看數據表(PDF) - Micrel
零件编号
产品描述 (功能)
生产厂家
MIC4576BU
(Rev.:2001)
200kHz Simple 3A Buck Regulator
Micrel
MIC4576BU Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
MIC4576
Block Diagrams
Micrel
+36V max.
V
IN
C
IN
Shutdown
Enable
SHDN
Internal
Regulator
200kHz
Oscillator
Thermal
Shutdown
Current
Limit
Com-
parator
Error
Amp.
MIC4576-x.x
Driver
3A
Switch
1.23V
Bandgap
R1
R2
GND
SW
L1
D1
FB
Block Diagram with External Components
Fixed Step-Down Regulator
V
OUT
C
OUT
+36V max.
V
IN
Shutdown
Enable
SHDN
Internal
Regulator
200kHz
Oscillator
Thermal
Shutdown
Current
Limit
Com-
parator
Error
Amp.
MIC4576
[Adjustable]
Driver
1.23V
Bandgap
3A
Switch
GND
C
IN
V
OUT
V
REF
R1
R2
+1
R1 R2
V
OUT
1
V
REF
SW
L1
D1
V
OUT
C
OUT
R1
FB
R2
Block Diagram with External Components
Adjustable Step-Down Regulator
December 2001
5
MIC4576
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