AME5283 Datasheet, PDF (12/20 Pages) Analog Microelectronics – Rectified Step-Down Converter

AME
AME5283
n Characterization Curve
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
V OUT=3 .3V
V OUT=2 .5V
VOUT= 1 .2V
V OUT=1 .8 V
VOUT=1V
VIN = 5V
RFREQ = 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
V_OUT=1. 2V
50
40
30
20
VIN = 5V
10
R_FREQ = 47K
0
0
500
1000
1500
2000
Output Current(mA )
2A, 300KHz ~ 2MHz Synchronous
Rectified Step-Down Converter
Efficiency vs. Output Current
100
90
80
70
V_OUT= 2.5 V
V OUT=3 .3 V
VOUT=1.8V _{VOUT =1. 2V}
60
VOUT=1. 0V
50
40
30
20
VIN = 5V
10
RFREQ= 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
VOUT=2. 5V
V OUT= 1.8 V
V OUT=1 .0V
VOUT=1. 2V
VIN = 5V
RFREQ = NC
500
1000
1500
2000
Output Current(mA )
12
Rev. A.03