AME5142 Datasheet, PDF (10/18 Pages) Analog Microelectronics – White LED Boost Converter In Tiny Package

AME, Inc.
AME5142
Current Limit vs. V_IN
1000
950
900
850
800
750
700
650
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
V_IN (V)
Dimming Control for Driving 6LEDs
2
3
1
1mS / div
V_IN = 2.7V; 6 LEDs
I = 20mA
OUT
2) EN = 1V / div, DC f = 200Hz
3) V , 10V / div, DC
OUT
1) V_SW= 10V / div, DC
White LED Boost Converter
In Tiny Package
0.177
0.173
0.169
0.165
0.161
0.157
0.153
0.149
0.145
0.141
0.137
-25
V_FB vs. Temperature
0
25
50
75
100
125
Temperature (^oC)
Dimming Control for Driving 6LEDs
2
3
1
1mS / div
V_IN = 5.5V; 6 LEDs
I_OUT = 20mA
2) EN = 1V / div, DC f = 200Hz
3) V_OUT , 10V / div, DC
1) V = 10V / div, DC
SW
12
Rev. A.01