PR4401 Datasheet, PDF (5/12 Pages) List of Unclassifed Manufacturers – 0.9V Boost Driver for White LEDs PR4401/4402 Requires Only One External Component

LED DRIVER PR4401/PR4402
PR4402 data
40
35
30
25
20
15
10
5
0
0,8
1
100
90
80
70
60
50
40
30
20
10
0
0,8
1
Mean LED Current vs. Supply Voltage
1,2
1,4
1,6
1,8
Supply Voltage (V)
Efficiency vs. Supply Voltage
1,2
1,4
1,6
1,8
Supply Voltage (V)
350
325
300
275
250
225
200
175
150
125
100
75
50
25
0
0,8
Peak LED Current vs. Supply Voltage
1
1,2
1,4
1,6
1,8
Supply Voltage (V)
22 µH
10 µH
6.8 µH
4.7 µH
2
22 µH
10 µH
6.8 µH
4.7 µH
2
22 µH
10 µH
6.8 µH
4.7 µH
2
© PREMA Semiconductor GmbH 2006-2008
Page 5/12
Rev 0908