Datasheet

t-100 s/divm
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
FBVoltage-mV
t-2ms/div
CTRL
5V/div
VOUT
10V/div
COMP
500mV/div
I
200mA/div
L
t-1 s/divm
SW
20V/div
VOUT
20mV/div
AC
I
200mA/div
L
t-100 s/divm
OPENLED
5V/div
FB
200mV/div
VOUT
10V/div
I
200mA/div
L
TPS61160
TPS61161
www.ti.com 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.
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