AME, Inc.
Micropower Step-Up DC/DC Converter
AME5130
Switch Current Limit vs. VIN
Efficiency vs. Load Current
800
750
700
650
600
550
500
450
400
350
90
VIN =4.2V
VIN =3.3V
85
80
75
VIN=2.5V
TA=25OC
70
65
60
55
50
VOUT=20V
0.5
5
10
15
20
25
30
35
40
45
2
2.5
3
3.5
4
4.5
5
5.5
6
VIN(V)
IOUT (mA)
Efficiency vs. Load Current
Efficiency vs. Load Current
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
VIN=4.2V
VIN=3.3V
VIN=5V
VIN=4.2V
VIN=3.3V
VIN=2.5V
VIN=2.5V
50
45
40
VOUT=5V
VOUT=12V
0.5
4
8
20 40
55
70 80 110 115 140 145
0.5
3
6
9
20 35 50 80 110 140 160 190 220 250
IOUT (mA)
IOUT (mA)
Enable Current vs. VIN (Part Switching)
Disable Current vs. VIN (Part Not Switching)
140
140
130
130
120
110
100
90
o
C
TA=25
o
C
120
110
TA=25
100
90
o
C
TA=85
80
80
o
C
o
C
TA=-40
70
60
TA=85
o
C
TA=-40
70
60
50
40
50
2.5
3
3.5
4
4.5
5
5.5
6
2
40
2
2.5
3
3.5
4
4.5
5
5.5
6
VIN (V)
VIN (V)
11
AME [ ANALOG MICROELECTRONICS ]
