LM3450 Datasheet, PDF (7/40 Pages) National Semiconductor (TI) – LED Driver with Active Power Factor Correction and Phase Dimming Decoder

LM3450
www.ti.com
SNVS681D – NOVEMBER 2010 – REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
T_A=+25°C and V_CC = 14V unless otherwise specified
V_CC UVLO Threshold vs. Junction Temperature
14
Shutdown Current vs. Junction Temperature
580
UVLO Rising
13
560
11
540
10
520
UVLO Falling
8
500
7
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 8.
V_REF Reference vs. Junction Temperature
3.03
480
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 9.
FB Reference vs. Junction Temperature
2.510
3.02
2.506
3.01
2.502
3.00
2.498
2.99
2.494
2.98
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 10.
I_SEN Reference vs. Junction Temperature
205
2.490
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 11.
V_AC Detection Threshold vs. Junction Temperature
357.0
203
356.6
201
356.2
199
355.8
197
355.4
195
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 12.
355.0
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 13.
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