PAM2808 Datasheet, PDF (5/8 Pages) Power Analog Micoelectronics – 5W High Power HBLED Driver

Typical Performance Characteristics
T_A =25°C,C_IN =4.7μF,Co=4.7μF,unless otherwise noted.
1. LED Current vs Input Voltage
1400
1200
1000
800
600
400
200
1W
2W
3W
5W
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0
Input Voltage(V)
3. Dropout Voltage vs LED Current
350
300
250
200
150
100
50
0
0
500
1000
1500
2000
LED Current (mA)
PAM2808
5W High Power HBLED Driver
2. Feedback Voltage vs Input Voltage
120
100
80
60
40
20
0
3.0
3.5
1W
2W
3W
5W
4.0
4. 5
5.0
5.5
6.0
Input Voltage(V)
4. Start up
Power Analog Microelectronics, Inc
www.poweranalog.com
5
08/2011 Rev1.0