LM3463_12 Datasheet, PDF (11/40 Pages) Texas Instruments – LM3463 Dynamic Headroom Controller with Thermal Control Interface and Individual Channel Dimming Control

LM3463
www.ti.com
SNVS807 – MAY 2012
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_SEn
vs
V_SEn
vs
V_IOUTADJ, T_A=125°C
V_IOUTADJ (V_IOUTADJ < 60 mV), T_A=125°C
0.200
12
0.175
0.150
TA=125°C
0.125
10 ^TA=125°C
8
0.100
6
0.075
0.050
0.025
0.000
0.0 0.5 1.0 1.5 2.0 2.5
VIOUTADJ(V)
0.200
V_SEn
vs
V_IOUTADJ, T_A=25°C
4
CH0
CH1
CH2
2
CH3
CH4
CH5
0
0 10 20 30 40 50 60
VIOUTADJ(mV)
V_SEn
vs
V_IOUTADJ (V_IOUTADJ < 60 mV), T_A=25°C
12
0.175
0.150
0.125
TA=25°C
10 ^TA=25°C
8
0.100
6
0.075
0.050
0.025
0.000
0.0 0.5 1.0 1.5 2.0 2.5
VIOUTADJ(V)
0.200
V_SEn
vs
V_IOUTADJ, T_A=–40°C
4
CH0
CH1
CH2
2
CH3
CH4
CH5
0
0 10 20 30 40 50 60
VIOUTADJ(mV)
V_SEn
vs
V_IOUTADJ (V_IOUTADJ < 60 mV), T_A=–40°C
12
0.175
0.150
0.125
TA=-40°C
10 ^TA=-40°C
8
0.100
6
0.075
0.050
0.025
0.000
0.0 0.5 1.0 1.5 2.0 2.5
VIOUTADJ(V)
4
CH0
CH1
CH2
2
CH3
CH4
CH5
0
0 10 20 30 40 50 60
VIOUTADJ(mV)
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