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| MIC2290_07 Datasheet, PDF (10/13 Pages) Micrel Semiconductor – 2mm × 2mm PWM Boost Regulator with Internal Schotty Diode | |||
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Micrel, Inc.
Application Circuits
VIN
3.3V
L1
4.7µH
VOUT
5V @ 180mA
C1
2.2µF
6.3V
GND
MIC2290
VIN SW
OUT
EN
FB
GND
R1
15k
C2
10µF
6.3V
R2
5k
GND
C1 2.2µF, 6.3V, 0805 X5R Ceramic Capacitor 08056D475MAT
C2 10µF, 6.3V, 0805 X5R Ceramic Capacitor 08056D106MAT
L1
4.7µH, 450mA Inductor
LQH32CN4R7N11
Figure 3. 3.3VIN to 5VOUT @ 180mA
AVX
AVX
Murata
VIN
3V to 4.2V
L1
10µH
VOUT
9V @ 80mA
C1
2.2µF
6.3V
GND
MIC2290
VIN SW
OUT
EN
FB
GND
R1
31.6k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor
C2 10µF, 16V, 1206 X5R Ceramic Capacitor
L1
10µH, 450mA Inductor
06036D225MAT
1206YD106MAT
LQH32CN100K11
Figure 4. 3.3VIN to 4.2VOUT to 9VOUT @ 80mA
AVX
AVX
Murata
VIN
3V to 4.2V
L1
10µH
VOUT
12V @ 50mA
C1
2.2µF
6.3V
GND
MIC2290
VIN SW
OUT
EN
FB
GND
R1
43.2k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor
C2 10µF, 16V, 1206 X5R Ceramic Capacitor
L1
10µH, 450mA Inductor
06036D225MAT
1206YD106MAT
LQH32CN100K11
Figure 5. 3.3VIN to 4.2VOUT to 12VOUT @ 50mA
AVX
AVX
Murata
MIC2290
VIN
3V to 4.2V
L1
10µH
VOUT
15V @ 45mA
C1
2.2µF
6.3V
GND
MIC2290
VIN SW
OUT
EN
FB
GND
R1
54.9k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor
C2 10µF, 16V, 1206 X5R Ceramic Capacitor
L1
10µH, 450mA Inductor
06036D225MAT
1206YD106MAT
LQH32CN100K11
Figure 6. 3.3VIN to 4.2VOUT to 15VOUT @ 45mA
AVX
AVX
Murata
VIN
5V
L1
10µH
VOUT
9V @ 160mA
C1
2.2µF
6.3V
GND
MIC2290
VIN SW
OUT
EN
FB
GND
R1
31.6k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor
C2 10µF, 16V, 1206 X5R Ceramic Capacitor
L1
10µH, 450mA Inductor
06036D225MAT
1206YD106MAT
LQH32CN100K11
Figure 7. 5VIN to 9VOUT @ 160mA
AVX
AVX
Murata
VIN
5V
L1
10µH
VOUT
12V @ 110mA
C1
2.2µF
6.3V
GND
MIC2290
VIN SW
OUT
EN
FB
GND
R1
43.2k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 6.3V, 0603 X5R Ceramic Capacitor
C2 10µF, 16V, 1206 X5R Ceramic Capacitor
L1
10µH, 450mA Inductor
06036D225MAT
1206YD106MAT
LQH32CN100K11
Figure 8. 5VIN to 12VOUT @ 110mA
AVX
AVX
Murata
October 2007
10
M9999-101907
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