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AME5136 Datasheet, PDF (8/15 Pages) Analog Microelectronics – Integrated White LED Driver With Organic LED Display Power Supply
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AME, Inc.
AME5136
Integrated White LED Driver With
Organic LED Display Power Supply
Feedback Voltage vs. VIN (4LEDs)
0.25
0.23
1mA
0.21
0.19
20mA
10mA
0.17
0.15
0.13
0.11
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1
5.5
VIN (V)
EN Threshold vs. VIN
1.5
1.4
1.3
1.2
1.1
TA=-40o C
1.0
0.9
0.8
0.7
TA=25oC
0.6
0.5
TA=85 oC
0.4
2.5
3
3.5
4
4.5
VIN (V)
5
5.5
Feedback Voltage vs. VIN (3LEDs)
0.27
COUT= 1µF
0.25
0.23 1mA
0.21
10mA
20mA
30mA
0.19
0.17
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.5
VIN ( V )
Feedback Voltage vs. VIN (3LEDs)
0.27
COUT= 4.7µF
0.25
0.23
0.21 1mA
20mA
0.19
10mA
30mA
0.17
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1
5.5
VIN ( V )
Main Display Efficiency ( 4LEDs )
90
Inductor=10µH
85
VIN=4.2V
80
75
VIN=3V
70
V =3.6V
IN
65
60
1
4
7
10
13
16
19
Load Current ( mA )
8
Main Display Efficiency ( 4LEDs )
90
85
VIN=3.6V
80
75
VIN=4.2V
70
Inductor=22µH
VIN=3V
65
60
1
4
7
10
13
16
19
Load Current ( mA )
 ▷