MIC4574-5.0BWM MICREL [Micrel Semiconductor], MIC4574-5.0BWM Datasheet - Page 4

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MIC4574-5.0BWM

Manufacturer Part Number
MIC4574-5.0BWM
Description
200kHz Simple 0.5A Buck Voltage Regulator
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
MIC4574-5.0BWM
Manufacturer:
2002+
Quantity:
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Part Number:
MIC4574-5.0BWM
Manufacturer:
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Quantity:
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Block Diagrams
April 1998•
MIC4574
Shutdown
Enable
Shutdown
Enable
SHDN
SHDN
MIC4574
MIC4574-x.x
Regulator
Regulator
Oscillator
Oscillator
200kHz
200kHz
Internal
Internal
Block Diagram with External Components
Block Diagram with External Components
[Adjustable]
parator
parator
Com-
Com-
Adjustable Step-Down Regulator
Error
Amp.
Error
Amp.
Fixed Step-Down Regulator
Shutdown
Shutdown
Thermal
Thermal
Bandgap
Bandgap
1.23V
1.23V
Driver
Driver
4-95
Current
Current
Limit
Limit
GND
R2
GND
R1
0.5A
Switch
0.5A
Switch
+24V max.
+24V max.
V
V
IN
IN
SW
FB
SW
FB
V
R1
D1
D1
C
OUT
C
IN
IN
L1
L1
R2
V
R1
R2
REF
V
V
OUT
REF
R2
R1
+ 1
1
C
C
OUT
OUT
V
V
OUT
OUT
Micrel
4

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