Datasheet AL5873Q (Diodes) - 7

AL5873Q Typical Performance Characteristics
(TA = +25°C, VIN = 12V, RREF = 48kΩ, ILED = 125mA, unless otherwise noted.) (continued)
LED Current vs. RREF LED Current vs. Temperature
300 150 280 145 260
N
240 140 220
IO
135 200
T
180 130
A
160 (mA)
M
125 D 140 (mA)D
R
ILE 120 ILE 120 100
O
115 80
F
60 110 40
IN
105 20
D
0 100 0 20 40 60 80 100 120 140 160 180 200 220
E
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 RREF (Kohm) Tempe rature('C)
C N A V D LED Current vs. VLED Voltage Minimum LED Voltage vs. LED Regulation Current A
300 0.8 275 0.7 (V) 250 e g 225 at 0.6 l 200 ILEDX=250mA Vo n 0.5 ILEDX=125mA oi 175 t ILEDX=50mA alu 150 (mA) g 0.4 D e R 125 ILE 0.3 ED 100 L m 75 0.2 mui 50 n 0.1 Mi 25 0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 VLED (V) ILED (mA)
Minimum LED Voltage vs. Temperature LED Current vs. ADIM Voltage
(R
(
R REF = 48kΩ, ILED = 125mA) REF = 120kΩ, ILED = 50mA
)
0.50 55 0.45 50 (V) e 0.40 45 g lta 40 0.35 Vo n 35 0.30 tio la u 30 0.25 g (mA) e D 25 R 0.20 LEI ED 20 L 0.15 m 15 0.10 imu n 10 Mi 0.05 5 0.00 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0 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 Tempe rature('C) ADIM Voltage (V) AL5873Q 7 of 16 February 2021 Document number: DS42780 Rev. 2 - 2
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