AME5253 Datasheet, PDF (9/18 Pages) Analog Microelectronics – 1A, 1.5MHz Synchronous Step-Down Converter

AME
AME5253
1A, 1.5MHz Synchronous
Step-Down Converter
VIN
2.5V to 5.5V
IN
SW
AME5253
CIN
4.7µF
CER
EN
FB
GND
2.2µH
C_FWD
V_OUT
1.2V
C _OUT
10µF
CER
150K
150 K
VIN
2.7V to 5.5V
IN
SW
AME5253
CIN
4.7µF
CER
EN
FB
GND
2.2µH
C_FWD
V_OUT
2.5V
C _OUT
10µF
CER
150K
47.3K
Figure 4: 1.2V Step-Down Regulator
C_FWD: 22pF~220pF
Figure 7: 2.5V Step-Down Regulator
C_FWD: 22pF~220pF
VIN
3.3V to 5.5V
IN
SW
AME5253
CIN
4.7µF
CER
EN
FB
GND
2.2µH
CFWD
V_OUT
1.5V
C_OUT
10µF
CER
150K
100 K
VIN
3.6V to 5.5V
IN
SW
AME5253
CIN
4.7µF
CER
EN
FB
GND
2.2µH
C _FWD
V_OUT
3.3V
C_OUT
10µF
CER
150K
33.3K
Figure 5: 1.5V Step-Down Regulator
C_FWD: 22pF~220pF
Figure 8: 3.3V Step-Down Regulator
C_FWD: 22pF~220pF
VIN
2.5V to 5.5V
IN
SW
AME5253
CIN
4.7µF
CER
EN
FB
GND
2.2µH
C_FWD
V_OUT
1.6V
C_OUT
10µF
CER
150K
90K
Figure 6: 1.6V Step-Down Regulator
C_FWD: 22pF~220pF
Rev.A.04
9