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| MIC4575_09 Datasheet, PDF (7/15 Pages) Micrel Semiconductor – 200kHz Simple 1A Buck Regulator | |||
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Micrel, Inc.
MIC4575
Figure 8. 8Vâ24V to 5V/1A Buck Converter
Lower-Cost Surface Mount
Figure 10. 8Vâ18V to â5V/0.2A Buck-Boost Converter
Through Hole
Figure 9. 16Vâ24V to 12V/1A Buck Converter
Lower-Cost Surface Mount
Figure 11. 5V to â5V/0.3A Buck-Boost Converter
Through Hole
VIN
8V to 18V
C1
22µF
35V
5 SHDN
SW 2
MIC4575BU
1 VIN
FB 4
GND
3
T1
4 68µH 3
1
2
D1
MBRS130LT3
C1 AVX
C2 AVX
C4 AVX
D1 Motorola MBRS130LT3
T1 Coiltronics
L1 Coilcraft DO1608C-102
L1
1µH
C4
220µF
10V
R2
3.01k
1%
R1
1.00K
1%
C3
3300pF
VOUT
5V/1A
5mVP-P
C2
220µF
10V
Figure 12. Low Output-Noise Regulator (5mV Output Ripple )
July 2009
7
M9999-072909
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