MIC4575_09 MICREL [Micrel Semiconductor], MIC4575_09 Datasheet - Page 7

• Manufacturer Part Number: MIC4575_09
• Description: 200kHz Simple 1A Buck Regulator
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
July 2009
Figure 9. 16V–24V to 12V/1A Buck Converter
Figure 8. 8V–24V to 5V/1A Buck Converter
Lower-Cost Surface Mount
Lower-Cost Surface Mount
8V to 18V
22µF
35V
V
C1
IN
C1 AVX
C2 AVX
C4 AVX
D1 Motorola
T1 Coiltronics
L1 Coilcraft
Figure 12. Low Output-Noise Regulator (5mV Output Ripple )
5
1
SHDN
V
IN
MIC4575BU
GND
3
MBRS130LT3
DO1608C-102
SW
FB
2
4
D1
MBRS130LT3
4
1
68µH
T1
7
3
2
C4
220µF
10V
Figure 10. 8V–18V to –5V/0.2A Buck-Boost Converter
1µH
L1
Figure 11. 5V to –5V/0.3A Buck-Boost Converter
R2
3.01k
1%
R1
1.00K
1%
C3
3300pF
Through Hole
Through Hole
5mV
5V/1A
C2
220µF
10V
V
OUT
P-P
M9999-072909
MIC4575