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MIC4575-3.3BU データシートの表示(PDF) - Micrel
部品番号
コンポーネント説明
メーカー
MIC4575-3.3BU
200kHz Simple 1A Buck Regulator
Micrel
MIC4575-3.3BU Datasheet PDF : 15 Pages
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Micrel, Inc.
V
IN
8V to 18V
C1
22µF
35V
5
SHDN
SW
2
MIC4575BU
1
V
IN
FB
4
GND
3
D1
MBRS130LT3
C5
220µF
10V
C1 AVX
C2 AVX
C4 AVX
C5 AVX
D1 Motorola MBRS130LT3
D2 Motorola MBRS130LT3
T1 Coiltronics
T1
2
68µH
1
R2
3.01k
1%
R1
1.00K
1%
4
C3
3300pF
+V
OUT
/+I
OUT
5V/0.5A
C2
220µF
10V
L1
D2
MBRS130LT3
3
+I + –I
A
+V + 0.5V
DC
V – 0.5V
40% then – I
40% then – I
C4
220µF
10V
-V
OUT
/-I
OUT
-5V/0.5A
at V
IN
15V
Load Regulation 5%
× (1 – DC)
Figure 13. Split ±5V Supply
MIC4575
July 2009
Figure 14. Adjustable (0V–12V) Output-Voltage Regulator
U1
V
IN
4V to 15V
C1
150µF
35V
5
SHDN
SW
2
MIC4575BT
1
V
IN
FB
4
GND
3
L1
68µH
D1
1N5819
1
R1
249
1%
3
U2
2
LM358
R2
C2
330µF
16V
1.00k
1%
C1
C2
D1 Motorola 1N5819
L1
U2 National LM358
Figure 15. Low Output-Voltage Regulator (1V)
8
V
OUT
1V/1A
R3
1k
M9999-072909
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