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MIC4574YN 参数 Datasheet PDF下载

MIC4574YN图片预览
型号: MIC4574YN
PDF下载: 下载PDF文件 查看货源
内容描述: 200kHz的简单的0.5A降压稳压器 [200kHz Simple 0.5A Buck Regulator]
分类和应用: 稳压器
文件页数/大小: 7 页 / 458 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC4574
Micrel, Inc.
Block Diagrams
+24V max.
V
IN
Shutdown
Enable
C
IN
SHDN
Internal
Regulator
200kHz
Oscillator
Thermal
Shutdown
Current
Limit
Com-
parator
Driver
0.5A
Switch
1.23V
Bandgap
R1
R2
GND
SW
D1
L1
V
OUT
C
OUT
Error
Amp.
MIC4574-x.x
FB
Block Diagram with External Components
Fixed Step-Down Regulator
+24V max.
V
IN
Shutdown
Enable
C
IN
SHDN
Internal
Regulator
200kHz
Oscillator
Thermal
Shutdown
Current
Limit
V
OUT
V
REF
R1
+ 1
R2
1
R1
Com-
parator
Driver
0.5A
Switch
1.23V
Bandgap
R2
V
OUT
V
REF
SW
D1
L1
V
OUT
C
OUT
Error
Amp.
MIC4574
[Adjustable]
R1
FB
GND
R2
Block Diagram with External Components
Adjustable Step-Down Regulator
M9999-062105
4
June 2005