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MIC4574-3.3BWM 参数 Datasheet PDF下载

MIC4574-3.3BWM图片预览
型号: MIC4574-3.3BWM
PDF下载: 下载PDF文件 查看货源
内容描述: 200kHz的简单0.5A降压稳压器 [200kHz Simple 0.5A Buck Voltage Regulator]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
文件页数/大小: 6 页 / 96 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC4574
Micrel
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
4
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
R1
FB
R2
[Adjustable]
GND
Block Diagram with External Components
Adjustable Step-Down Regulator
April 1998•
4-95