AME5253A Datasheet, PDF (9/18 Pages) Analog Microelectronics – 1A, 1.5MHz Synchronous Step-Down Converter

AME
AME5253A
VIN
2.5V to 5.5V
IN
SW
AME5253 A
C_IN
4.7µF
CER
EN
FB
GND
2.2µH
VOUT
1.2V
C_FWD
COUT
10µ F
CER
150K
150K
Figure 4: 1.2V Step-Down Regulator
CFWD: 22pF~220pF
VIN
3.3V to 5.5V
IN
SW
AME5253 A
C_IN
4.7µF
CER
EN
FB
GND
2.2µH
C_FWD
VOUT
1.5V
COUT
10µF
CER
150K
100K
Figure 5: 1.5V Step-Down Regulator
C_FWD: 22pF~220pF
VIN
2.5V to 5.5V
IN
SW
AME5253 A
C_IN
4.7µF
CER
EN
FB
GND
2.2µH
VOUT
1.6V
CFWD
COUT
10µF
CER
150K
90K
Figure 6: 1.6V Step-Down Regulator
C_FWD: 22pF~220pF
1A, 1.5MHz Synchronous
Step-Down Converter
VIN
2.7V to 5.5V
IN
SW
AME5253 A
C_IN
4.7µF
CER
EN
FB
GND
2.2µH
C_FWD
VOUT
2.5V
COUT
10µF
CER
150K
47.3K
Figure 7: 2.5V Step-Down Regulator
CFWD: 22pF~220pF
VIN
3.6V to 5.0V
IN
SW
AME5253 A
C_IN
4.7µF
CER
EN
FB
GND
2.2µH
CFWD
VOUT
3.3V
COUT
10µF
CER
150K
33.3K
Figure 8: 3.3V Step-Down Regulator
CFWD: 22pF~220pF
Rev.A.03
9