Datasheet

0
10
20
30
40
50
60
70
80
90
100
10 20 30 40 50 60 70 80 90 100
Efficiency (%)
LED Current (mA)
VIN=1.2V
VIN=1.8V
VIN=2.4V
VIN=3V
Analog Dimming
760mV-400mV
10 mA to
100 mA
0.8V to 3V
1
RI
2
EN
3
FB
4
VOUT
5
L
6
VIN
7
PGND
U1
TPS61261DRV
L1
4.7 Hm
R1
2kW
C2
10 Fm
C1
10 Fm
R2
2kW
D1
PWM
VIN
ADIM
TPS61260, TPS61261
www.ti.com SLVSA99A –MAY 2011–REVISED FEBRUARY 2013
Figure 21. LED Driver
Figure 22. LED Driver Efficiency
Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback 15