Datasheet AL5873Q (Diodes) - 8

AL5873Q Typical Performance Characteristics
(TA = +25°C, VIN = 12V, RREF = 48kΩ, ILED = 125mA, unless otherwise noted.) (continued)
LED Current vs. ADIM Voltage LED Current vs. ADIM Voltage (
R
(
RREF = 24kΩ, ILED = 250mA
)
REF = 48kΩ, ILED = 125mA
) N
260 130
IO
240 120
T
220 110
A
200 100
M
180 90
R
160 80
O
140 70 (mA)
F
(mA) D 120 D 60 LEI ILE 100 50
IN
80 40
D
60 30
E
40 20
C
20 10
N
0 0
A
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 ADIM Voltage (V)
V
ADIM Voltage (V)
D A LED Current vs. PWM Duty Cycle LED Current vs. PWM Duty Cycle (
RREF = 120kΩ, ILED = 50mA, 0~100% Duty
) (
RREF = 120kΩ, ILED = 50mA, 0~20% Duty
)
50 10 45 9 40 8 35 7 30 6 25 (mA) (mA) 5 D D ILE LE 20 fPWM=200Hz I 4 fPWM=500Hz 15 f 3 fPWM=200Hz PWM=1kHz fPWM=500Hz 10 2 fPWM=1kHz 5 1 0 0 0 10 20 30 40 50 60 70 80 90 100 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PWM Duty Cycle (%) PWM Duty Cycle (%)

AL5873Q 8 of 16 February 2021 Document number: DS42780 Rev. 2 - 2
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