AT1312A/B/C
Preliminary Product Information
High Efficiency, Constant Current
White-LEDs Driver
Efficiency vs. Vin (4 LED)
L:SR0302 D:RB501-40
Efficiency vs. Vin (6 LED)
L:SR0302 D:RB501-40
90
88
86
84
82
80
78
90
88
86
84
82
80
78
76
74
72
70
I o=10 mA, L=22u H
I o=10 mA,
I o=10 mA,
L=22u H
L=10u H
76
74
72
70
I o=10 mA, L=10u H
I o=10 mA, L=6. 8u H
I o=10 mA, L=4. 7u H
I o=10 mA, L=6. 8u H
I o=10 mA, L=4. 7u H
2
3
4
5
6
2
3
4
5
6
Vin (V)
Vin (V)
Ch1:LX
Ch2:ILX
Ch3:Vo
Ch1:LX :10V/div , Ch2:ILX: 200mA/div, Ch3: Vo :100mV/div ,0.2uS/div
Switching Transient Waveform
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Tel: 886-3-563-0878
2/23/2006 REV:1.1
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
6
AIMTRON [ AIMTRON TECHNOLOGY ]
