Datasheet AL8861Q (Diodes) - 6

AL8861Q Typical Performance Characteristics
(TA = +25°C, VIN = 16V, unless otherwise specified.) (continued)
Analog Dimming (VIN=16V, 3 LEDs, L=47μH, R =0.3Ω) S Efficiency vs. Input Voltage LED Current vs. VSET Pin Voltage (RS=0.1Ω , L=68μH)
340 100 98 320 96 300 94 280 92 260 90 240 88 ) 86 220
T
84 200 (mA) 82 cy(%
C
t 180 n n 80 e
U
160 ci 78 rre i u f 76
D
140 C Ef 120 74
O
ED 72 V 100 L O=3.3V VO=6.6V 70
R
80 V 68 O=9.9V VO=13.2V
P
V 60 66 O=16.5V VO=19.8V V 40 64 O=23.1V VO=26.4V V
W
20 62 O=29.7V VO=33V 60
E
0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 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
N
Input Voltage (V) VSET Pin Voltage (V)
Efficiency vs. Input Voltage LED Current vs. Input Voltage (RS=0.067Ω, L=47μH) (RS=0.1Ω, L=68μH)
100 1030 98 1025 96 1020 94 1015 92 ) 90 1010 (% (mA) 88 t 1005 n cy n 86 rre 1000 e 84 u ciif C 995 82 Ef ED 80 990 L V 78 VO=3.3V VO=6.6V O=3.3V VO=6.6V 985 V VO=9.9V VO=13.2V 76 O=9.9V VO=13.2V V 980 V O=16.5V VO=19.8V O=16.5V VO=19.8V 74 V V O=23.1V VO=26.4V O=23.1V VO=26.4V 975 72 V VO=29.7V VO=33V O=29.7V VO=33V 70 970 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Input Voltage (V) Input Voltage (V)
LED Current vs. Input Voltage Operating Frequency vs. Input Voltage (RS=0.067Ω, L=47μH) (RS=0.1Ω , L=68μH)
400 1.56 V =3.3V V =6.6V V =3.3V V =6.6V O O O O 350 1.55 V =9.9V V =13.2V V =9.9V V =13.2V O O O O V =16.5V V =19.8V V =16.5V V =19.8V O O O O 300 1.54 V =23.1V V =26.4V V =23.1V V =26.4V O O O O z) V =29.7V V =33V V =29.7V V =33V O O O O 250 (A) 1.53 t (kH n cy n rre 200 1.52 e u u C q re 150 1.51 ED F L 100 1.50 50 1.49 0 1.48 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Input Voltage (V) Input Voltage (V) AL8861Q 6 of 15 May 2019 Document number: DS41798 Rev. 2 - 2
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