MIC4575_09 MICREL [Micrel Semiconductor], MIC4575_09 Datasheet - Page 6

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

Application Information
The
constructed and tested. Refer to Application Note 15 for
additional information, including efficiency graphs and
manufacturer’s addresses and telephone numbers for
most circuits.
For a mathematical approach to component selection
and circuit design, refer to Application Note 14.
Note 2: Surface-mount component.
Micrel, Inc.
July 2009
16V to 24V
68µF
63V
C1
applications
Figure 3. 16V–24V to 12V/1A Buck Converter
Figure 1. 6V–24V to 3.3V/1A Buck Converter
Figure 2. 8V–24V to 5V/1A Buck Converter
C1 Nichicon
C2 Nichicon
D1 Motorola
L1 Sumida
5
1
SHDN
V
IN
MIC4575BT
GND
3
circuits
MBR160
Through Hole
Through Hole
Through Hole
SW
FB
2
4
that
MBR160
150µH
L1
follow
R2
13.0k
1%
R1
1.50k
1%
have
12V/1A
C2
330µF
16V
been
6
Figure 4. 6V–24V to 3.3V/1A Buck Converter
Figure 6. 16V–24V to 12V/1A Buck Converter
Figure 7. 6V–24V to 3.3V/1A Buck Converter
Figure 5. 8V–24V to 5V/1A Buck Converter
Low-Profile Surface Mount
Low-Profile Surface Mount
Low-Profile Surface Mount
Lower-Cost Surface Mount
M9999-072909
MIC4575