MIC2290(2004) データシートの表示（PDF） - Micrel
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MIC2290 Datasheet PDF : 12 Pages
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MIC2290
Application Circuits
VIN
3.3V
C1
2.2µF
6.3V
GND
L1
4.7µH
MIC2290BML
VIN SW
OUT
EN
FB
GND
VOUT
5V @ 180mA
R1
5.62k
C2
10µF
6.3V
R2
100k
GND
C1 2.2µF, 6.3V, 0805 X5R Ceramic Capacitor 08056D475MAT AVX
C2 10µF, 6.3V, 0805 X5R Ceramic Capacitor 08056D106MAT AVX
L1 4.7µH, 450mA Inductor
LQH32CN4R7N11 Murata
Figure 3. 3.3VIN to 5VOUT @ 180mA
VIN
3V to 4.2V
C1
2.2µF
6.3V
GND
L1
10µH
MIC2290BML
VIN SW
OUT
EN
FB
GND
VOUT
9V @ 80mA
R1
31.6k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor 06036D225MAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
L1 10µH, 450mA Inductor
LQH32CN100K11 Murata
Figure 4. 3.3VIN – 4.2VIN to 9VOUT @ 80mA
VIN
3V to 4.2V
C1
2.2µF
6.3V
GND
L1
10µH
MIC2290BML
VIN SW
OUT
EN
FB
GND
VOUT
12V @ 50mA
R1
43.2k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor 06036D225MAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
L1 10µH, 450mA Inductor
LQH32CN100K11 Murata
Figure 5. 3.3VIN – 4.2VIN to 12VOUT @ 50mA
Micrel
VIN
3V to 4.2V
C1
2.2µF
6.3V
GND
L1
10µH
MIC2290BML
VIN SW
OUT
EN
FB
GND
VOUT
15V @ 45mA
R1
54.9k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor 06036D225MAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
L1 10µH, 450mA Inductor
LQH32CN100K11 Murata
Figure 6. 3.3VIN – 4.2VIN to 15VOUT @ 45mA
VIN
5V
C1
2.2µF
6.3V
GND
L1
10µH
MIC2290BML
VIN SW
OUT
EN
FB
GND
VOUT
9V @ 160mA
R1
31.6k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor 06036D225MAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
L1 10µH, 450mA Inductor
LQH32CN100K11 Murata
Figure 7. 5VIN to 9VOUT @ 160mA
VIN
5V
C1
2.2µF
6.3V
GND
L1
10µH
MIC2290BML
VIN SW
OUT
EN
FB
GND
VOUT
12V @ 110mA
R1
43.2k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor 06036D225MAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
L1 10µH, 450mA Inductor
LQH32CN100K11 Murata
Figure 8. 5VIN to 12VOUT @ 110mA
M9999-081104
10
August 2004
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