AME, Inc.
AME5130
Micropower Step-Up DC/DC Converter
SHDN Threshold vs. VIN
Switch Rdson vs. VIN
1.05
1.0
1.2
o
C
TA=-40
1.1
1
0.95
0.9
0.9
0.85
0.8
o
o
C
TA=85
0.8
0.7
0.6
0.5
0.4
0.3
0.2
C
TA=25
o
C
TA=85
0.75
0.7
0.65
0.6
o
C
TA=-40
0.55
0.5
2
2.5
3
3.5
4
4.5
5
5.5
6
5
5.5
2
2.5
3
3.5
4
4.5
6
VIN (V)
VIN (V)
Efficiency vs. VIN
Efficiency vs. VIN
90
85
80
75
70
65
95
90
85
80
75
70
TA=25oC
TA=25oC
6 LEDs
8 LEDs
I
OUT = 15mA
I
OUT = 30mA
2.5
2
3
3.5
4
4.5
5
2
2.5
3
3.5
4
4.5
5
Vin (V)
Vin (V)
FB Trip Point and FB Pin Current vs
Temperature
Output Voltage vs Load Current
1.25
1.24
1.23
1.22
1.21
1.20
0.36
12.4
12.3
12.2
12.1
12
COUT=4.7uF
VOUT=12V
0.35
0.34
0.33
0.32
0.31
0.30
0.29
VIN=4.2V
V
VIN=2.5V
mA
VIN =3.3V
VIN=5V
11.9
11.8
-40
-20
0
25
55
85
115
145
150
0.5
4
8
20
40 50
70
80 110
Junction Temperature (oC)
IOUT (mA)
12
AME [ ANALOG MICROELECTRONICS ]
