Datasheet

9 10 11 12 13 14 15 16
70
75
80
85
90
95
100
EFFICIENCY (%)
INPUT VOLTAGE (V)
125°C
-40°C
25°C
9 10 11 12 13 14 15 16
-1.00
-0.75
-0.50
-0.25
0.00
0.25
0.50
0.75
1.00
ûI
LED
(%)
INPUT VOLTAGE (V)
-40°C
25°C
125°C
www.ti.com Typical Performance and Waveforms
6 Typical Performance and Waveforms
All curves and waveforms taken at V
IN
= 12V with the evaluation board and T
A
= 25
°
C unless otherwise
specified.
Efficiency vs Input Voltage I
LED
Regulation vs Input Voltage
LED Dimming 10000:1
Steady State Operation (Dimming frequency 200Hz)
7
SNVA639A–May 2012–Revised April 2013 AN-2231 LM3492HC Evaluation Board Reference Design
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