LM3463_12 Datasheet, PDF (12/40 Pages) Texas Instruments – LM3463 Dynamic Headroom Controller with Thermal Control Interface and Individual Channel Dimming Control

LM3463
SNVS807 – MAY 2012
www.ti.com
Typical Performance Characteristics
All curves taken at V_IN = 48V with configuration in typical application for driving twelve power LEDs with six output channels
active and 350 mA output current per channel. T_A = 25°C, unless otherwise specified.
V_OutP-MAX
vs
V_REF
vs
Temperature
Temperature
3.50
2.55
3.45
2.54
3.40
2.53
3.35
2.52
3.30
2.51
3.25
2.50
3.20
2.50
3.15
2.48
3.10
2.48
3.05
2.46
3.00
2.46
-40 -20 0 20 40 60 80 100 120 140
TA(°C)
-40 -20 0 20 40 60 80 100 120 140
TA(°C)
V_CC
vs
Temperature
Operating I_IN
vs
Temperature
6.56
9.00
6.54
8.95
8.90
6.52
8.85
6.50
8.80
6.48
8.75
6.46
8.70
6.44
6.42
6.40
-40 -20 0 20 40 60 80 100 120 140
TA(°C)
8.65
8.60
8.56
8.50
-40 -20 0 20 40 60 80 100 120 140
TA(°C)
12
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