Datasheet

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
40
60
20
Efficiency-%
3 4 5 6
V -InputVoltage-V
I
0.2mA,V =2.6V
F
1mA,V =2.8V
F
0.5mA,V =2.7V
F
-40 -20 0 20 40 60 80
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1
1.05
1.10
SwitchResistance- W
T -Free-AirTemperature-°C
A
I
LED
=100mA
V =3.6V
I
V =3.9V
I
V =3.3V
I
-40 -20 0 20 40 60 80
0.70
0.75
0.80
0.85
0.90
0.95
1
1.05
1.10
1.15
T -Free-AirTemperature-°C
A
V =3.6V
I
V =3.9V
I
I
LED
=230mA
V =3.3V
I
SwitchResistance- W
TPS60250
TPS60252
SLVS769C – APRIL 2007 – REVISED APRIL 2008 ............................................................................................................................................................ www.ti.com
TYPICAL CHARACTERISTICS (continued)
DESCRIPTION REF
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.
SWITCH RESISTANCE SWITCH RESISTANCE
vs vs
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
( × 1 Mode) ( × 1 Mode)
Figure 5. Figure 6.
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