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| MIC2288 Datasheet, PDF (9/12 Pages) Micrel Semiconductor – 1A 1.2 MHZ PWM BOOST CONVERTER IN THIN SOT 23 AND 2 X MLF | |||
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MIC2288
Application
VIN
3V to 4.2V
CircuitLs1
4.7µH
D1
VOUT
5V @ 400mA
C1
4.7µF
6.3V
GND
MIC2288BML
VIN SW
OVP
EN
FB
GND
R1
5.62k
C2
22µF
6.3V
R2
1.87k
GND
Micrel
VIN
3V to 4.2V
C1
2.2µF
10V
GND
L1
10µH
D1
VOUT
15V @ 100mA
MIC2288BML
VIN SW
OVP
EN
FB
GND
R1
54.9k
C2
10µF
16V
R2
5k
GND
C1 4.7µF, 6.3V, 0805 X5R Ceramic Capacitor 08056D475MAT AVX
C2 22µF, 6.3V, 0805 X5R Ceramic Capacitor 12066D226MAT AVX
D1 1A, 40V Schotty Diode
MBRM140T3
ON Semi.
L1 4.7µH, 650mA Inductor
LQH32CN4R7M11 Murata
Figure 3. 3.3VIN to 5VOUT @ 400mA
C1 2.2µF, 10V, 0805 X5R Ceramic Capacitor 08052D225KAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
D1 1A, 40V Schotty Diode
MBRM140T3
ON Semi.
L1 10µH, 650mA Inductor
LQH43CN100K03 Murata
Figure 6. 3.3VIN â 4.2VIN to 15VOUT @ 100mA
VIN
3V to 4.2V
C1
2.2µF
10V
GND
L1
10µH
D1
VOUT
9V @ 180mA
MIC2288BML
VIN SW
OVP
EN
FB
GND
R1
31.6k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 10V, 0805 X5R Ceramic Capacitor 08052D225KAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
D1 1A, 40V Schotty Diode
MBRM140T3
ON Semi.
L1 10µH, 650mA Inductor
LQH43CN100K03 Murata
Figure 4. 3.3VIN â 4.2VIN to 9VOUT @ 180mA
VIN
3V to 4.2V
C1
2.2µF
10V
GND
L1
10µH
D1
VOUT
24V @ 50mA
MIC2288BML
VIN SW
OVP
EN
FB
GND
R1
18.2k
C2
4.7µF
25V
R2
1k
GND
C1 2.2µF, 10V, 0805 X5R Ceramic Capacitor 08052D225KAT AVX
C2 4.7µF, 25V, 1206 X5R Ceramic Capacitor 12063D475MAT AVX
D1 1A, 40V Schotty Diode
MBRM140T3
ON Semi.
L1 10µH, 650mA Inductor
LQH43CN100K03 Murata
Figure 7. 3.3VIN â 4.2VIN to 24VOUT @ 50mA
VIN
3V to 4.2V
C1
2.2µF
10V
GND
L1
10µH
D1
VOUT
12V @ 100mA
MIC2288BML
VIN SW
OVP
EN
FB
GND
R1
42.3k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 10V, 0805 X5R Ceramic Capacitor 08052D225KAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
D1 1A, 40V Schotty Diode
MBRM140T3
ON Semi.
L1 10µH, 650mA Inductor
LQH43CN100K03 Murata
Figure 5. 3.3VIN â 4.2VIN to 12VOUT @ 100mA
VIN
5V
C1
2.2µF
10V
GND
L1
10µH
D1
VOUT
9V @ 330mA
MIC2288BML
VIN SW
OVP
EN
FB
GND
R1
31.6k
C2
10µF
16V
R2
5k
GND
C1 2.2µF, 10V, 0805 X5R Ceramic Capacitor 08052D225KAT AVX
C2 10µF, 16V, 1206 X5R Ceramic Capacitor 1206YD106MAT AVX
D1 1A, 40V Schotty Diode
MBRM140T3
ON Semi.
L1 10µH, 650mA Inductor
LQH43CN100K03 Murata
Figure 8. 5VIN to 9VOUT @ 330mA
February 2004
9
M9999-021904
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