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AME5259A Datasheet, PDF (11/21 Pages) Analog Microelectronics – 1.2A, 1.5MHz Synchronous Step-Down Converter
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AME
AME5259A
1.2A, 1.5MHz Synchronous
Step-Down Converter
VIN
2.5V to 5.5V
IN
SW
AME5259A
CIN
4.7µF
CER
EN
FB
GND
2.2µH VOUT
1.2V
C FWD
150 K
150 K
COUT
10µF
CER
VIN
2.7V to 5.5V
IN
SW
AME5259A
CIN
4.7µF
CER
EN
FB
GND
2.2µH VOUT
2.5V
CFWD
150 K
47.3K
COUT
10µF
CER
Figure 5. 1.2V Step-Down Regulator
CFWD: 22pF~220 pF
Figure 8. 2.5V Step-Down Regulator
CFWD: 22pF~220 pF
VIN
3.5V to 5.5V
IN
SW
AME5259A
CIN
4.7µF
CER
EN
FB
GND
2.2µH VOUT
1.5V
CFWD
150 K
100 K
COUT
10µF
CER
VIN
3.3V to 5.5V
IN
SW
AME5259A
CIN
4.7µF
CER
EN
FB
GND
2.2µH VOUT
3.3V
CFWD
150 K
33.3K
COUT
10µF
CER
Figure 6. 1.5V Step-Down Regulator
CFWD: 22pF~220 pF
VIN
2.5V to 5.5V
IN
SW
AME5259A
CIN
4.7µF
CER
EN
FB
GND
2.2µH VOUT
1.6V
CFWD
150 K
90K
COUT
10µF
CER
Figure 9. 3.3V Step-Down Regulator
CFWD: 22pF~220 pF
Figure 7. 1.6V Step-Down Regulator
CFWD: 22pF~220 pF
Rev.A.02
11
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