Texas Instruments TPS61160(1)-243 Evaluation Module TPS61160EVM-243 TPS61160EVM-243 Datenbogen
Produktcode
TPS61160EVM-243
t - 100
s/div
m
PWM 2 V/div
VOUT 20 mV/div AC
I
10 mA/div
LED
0
40
80
120
160
200
0
20
40
60
80
100
PWM Duty Cycle - %
10 kHz, 40 kHz
FBV
oltage-mV
t - 2 ms/div
CTRL
5 V/div
5 V/div
VOUT
10 V/div
COMP
500 mV/div
I
200 mA/div
L
t - 1
s/div
m
SW
20 V/div
VOUT
20 mV/div
AC
I
200 mA/div
L
t - 100
s/div
m
OPEN LED
5 V/div
5 V/div
FB
200 mV/div
VOUT
10 V/div
I
200 mA/div
L
SLVS791C – NOVEMBER 2007 – REVISED APRIL 2012
FB VOLTAGE
vs
PWM DUTY CYCLE
OUTPUT RIPPLE at PWM DIMMING
Figure 8.
Figure 9.
SWITCHING WAVEFORM
START-UP
Figure 10.
Figure 11.
OPEN LED PROTECTION
Figure 12.
Copyright © 2007–2012, Texas Instruments Incorporated
7
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