AT1313
High Efficiency, Constant Current
White-LED Driver
Application Circuit
10uH
VIN
3.6V to 4.2V
4.7uF
MBR140WS
4.7uF
VIN
LX
OVP
ON
AT1313
EN
GND
FB
2
OFF
PWM
Signal
Figure 1a. AT1313 Typical Application Circuit with 100mA Output .
10uH
VIN
4.7uF
MBR140WS
4.7uF
VIN
LX
OVP
ON
AT1313
EN
GND
FB
0.333
1
From DSP
OFF
PWM
Signal
AO3400
Figure 1b. AT1313 Typical Application Circuit with 200mA Output .
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW:
http://www.aimtron.com.tw
10/31/2006 REV:2.0
Email:service@aimtron.com.tw
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