Datasheet

www.ti.com
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
90
80
70
60
50
Efficiency-%
3 4 5 6
V -InputVoltage-V
I
15mA,V =3.43V
F
25mA,V =3.79V
F
100
80
60
40
20
3
4
5
6
Efficiency-%
V -InputVoltage-V
I
0.5mA,V =2.7V
F
0.2mA,V =2.6V
F
1mA,V =2.8V
F
TPS60251
SLVS767C – APRIL 2007 – REVISED NOVEMBER 2007
DESCRIPTION REF
Efficiency vs Input Voltage, 4 Main LED - 15mA, 25mA Figure 3
Efficiency
Efficiency vs Input Voltage, 2 Sub LED with Light Load Condition, × 1 Mode Operation Figure 4
Switch Resistance vs Free-Air Temperature, × 1 Mode, I
LED
= 230 mA Figure 5
Switch Resistance vs Free-Air Temperature, × 1 Mode, I
LED
= 100 mA Figure 6
Output Impedance of × 1
and × 1.5 Mode
Switch Resistance vs Free-Air Temperature, × 1.5 Mode Charge Pump Open-Loop , I
LED
= 230 mA Figure 7
Switch Resistance vs Free-Air Temperature, × 1.5 Mode Charge Pump Open-Loop, I
LED
= 100 mA Figure 8
Shutdown Current Shutdown Current vs Input Voltage Figure 9
Input Current Input Current vs Supply Voltage, 4 Main LED Figure 10
DM5 with Maximum 80
DM5 Current vs Input Voltage, Programmed with 80 mA Figure 11
mA
Current Accuracy WLED Current vs Input Voltage, 4 Main LED with 15 mA Figure 12
EFFICIENCY
EFFICIENCY vs
vs INPUT VOLTAGE
INPUT VOLTAGE (2 Sub LED with Light Load Condition,
(4 Main LED - 15mA, 25mA) × 1 Mode Operation)
Figure 3. Figure 4.
6 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS60251