Texas Instruments TPS61181(82/81A)-259 Evaluation Board TPS61181(82/81A)EVM-259 TPS61181EVM-259 TPS61181EVM-259 Datenbogen
Produktcode
TPS61181EVM-259
V
10 V/div, DC
O
Inductor
Current
1 A/div, DC
t - Time - 10
s/div
m
EN
5 V/div, DC
WLED
Current
20 mA/div, DC
V
20 V/div, DC
O
Inductor
Current
5 A/div, DC
Fault
5 V/div, DC
t - Time - 100 s/div
m
Fault
5 V/div, DC
V
20 V/div, DC
O
Inductor
Current
1 A/div, DC
t - Time - 1 s/div
V
100 mV/div, AC
bat
SW
20 V/div, DC
V
100 mV/div, AC
O
Inductor
Current
1 A/div, DC
t - Time - 1 s/div
m
V
100 mV/div, AC
O
Inductor
Current
1 A/div, DC
t - Time - 2
s/div
m
DCTRL
5 V/div, DC
SLVS801E – DECEMBER 2007 – REVISED APRIL 2013
SWITCHING WAVEFORM
OUTPUT RIPPLE AT PWM DIMMING C
O
=4.7
μ
F
Figure 11.
Figure 12.
OUTPUT SHORT PROTECTION
OPEN WLED PROTECTION
Figure 13.
Figure 14.
STARTUP WAVEFORM
Figure 15.
10
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