AT1312A/B/C
Preliminary Product Information
High Efficiency, Constant Current
White-LEDs Driver
Efficiency vs. Vin (6 LED)
L:SR0302 D:RB501-40
90
88
86
84
Efficiency (%)
Efficiency (%)
Efficiency vs. Vin (4 LED)
L:SR0302 D:RB501-40
90
88
86
84
82
80
78
Io=10 m A, L =22u H
82
80
78
76
74
72
70
2
3
4
Vin (V)
Io=10 m A,
Io=10 m A,
L =22u H
L =10u H
76
Io=10 m A, L =10u H
Io = 1 0 m A, L = 6.8 u H
Io = 1 0 m A, L = 4.7 u H
74
72
70
2
3
4
Vin (V)
Io = 1 0 m A,L = 6.8 u H
Io = 1 0 m A,L = 4.7 u H
5
6
5
6
Ch1:LX
Ch2:I
LX
Ch3:Vo
Ch1:LX :10V/div , Ch2:I
LX
: 200mA/div, Ch3: Vo :100mV/div ,0.2uS/div
Switching Transient Waveform
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Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW:
http://www.aimtron.com.tw
2/23/2006 REV:1.1
Email:
service@aimtron.com.tw
6
AIMTRON [ AIMTRON TECHNOLOGY ]
