Texas Instruments TPS61166-446 Evaluation Board TPS61166EVM-446 TPS61166EVM-446 TPS61166EVM-446 Datenbogen
Produktcode
TPS61166EVM-446
198.5
199
199.5
200
200.5
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
VBAT - V
VFB-mV
0.198
0.199
0.2
0.201
0.202
-40
-20
0
20
40
60
80
100
120
T - Free-Air Temperature - ºC
A
VFB-V
V
100 mV; AC
O
LED Current
50 mA/div
50 mA/div
Inductor Current
500 mA/div
500 mA/div
t - Time = 400 s/div
m
0.8
0.9
1
1.1
1.2
1.3
-40
-20
0
20
40
60
80
100
120
T - Free-Air Temperature - ºC
A
ILIM-
A
SLVS991 – SEPTEMBER 2009
..........................................................................................................................................................................................
www.ti.com
FB VOLTAGE
FB VOLTAGE
vs
vs
VBAT VOLTAGE
FREE-AIR TEMPERATURE
Figure 7.
Figure 8.
SWITCH CURRENT LIMIT
vs
FREE-AIR TEMPERATURE
1-kHz PWM DIMMING WITH DUTY=30%
Figure 9.
Figure 10.
8
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s):