AME5282 Datasheet, PDF (13/21 Pages) Analog Microelectronics – Rectified Step-Down Converter

AME
AME5282
n Characterization Curve
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
V OUT =3 .3V
VOUT=2. 5V
VOUT= 1.2 V
V OUT =1 .8V
VOUT=1V
VIN = 5V
RF = 18K
500
1000
1500
2000
Output Current (mA)
Efficiency vs. Output Current
100
90
80
70
VOUT=2. 5V _{VOUT=1. 8V}
V_OUT=1. 0V
60 ^VOUT=3.3V
VOUT =1.2V
50
40
30
20
VIN = 5V
10
RF = 47K
00
500
1000
1500
2000
Output Current (mA)
2A, 300KHz ~ 2MHz Synchronous
Rectified Step-Down Converter
Efficiency vs. Output Current
100
90
80
70
VOUT=2 .5 V
V OUT=3 .3V
VOUT=1.8V _VOUT=1.2V
60
VOUT= 1.0 V
50
40
30
20
10
VIN = 5V
RF = 30K
0
0
500
1000
1500
2000
Output Current (mA)
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VOUT=3.3V
V OUT=2. 5V
V OUT=1. 8V
VOUT=1.0V
VOUT=1.2V
VIN = 5V
RF = NC
500
1000
1500
2000
Output Current (mA)
Rev. A.02
13