AME5142 Datasheet, PDF (12/18 Pages) Analog Microelectronics – White LED Boost Converter In Tiny Package

AME, Inc.
AME5142
Start-Up / Shutdown
1
2
3
200µS / div
V_IN = 5.5V; 6 LEDs
I = 20mA
OUT
1) EN = 2V / div, DC
2) Inductor Current, 500mA / div, DC
3) V_OUT , 10V / div, DC
Typical Switching Waveform
1
2
3
1µS / div
V_IN = 5.5V; 6 LEDs
I_OUT = 20mA
1) V_SW = 10V / div, DC
2) V_OUT , 20mV / div, AC
3) Input Current, 100mA / div, DC
Inductor = 10µH, C_OUT = 1µF
14
White LED Boost Converter
In Tiny Package
Typical Switching Waveform
1
2
3
1µS / div
V_IN = 2.7V; 6 LEDs
I = 20mA
OUT
1) V_SW = 10V / div, DC
2) V , 20mV / div, AC
OUT
3) Input Current, 100mA / div, DC
Inductor = 10µH, C_OUT = 1µF
Rev. A.01