Datasheet AL8860Q (Diodes) - 6

AL8860Q Q 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. CTRL Pin Voltage (R S=0.1Ω, L=68μH)
340 100 98 320 96 300 94 280 92 260 90 240 88 )
T
220 86 (% 84
C
200 (mA) t 82 cy 180 n
U
n 80 e 160 rre ci 78 i
D
u f 140 76 C Ef
O
120 74 ED 72
R
V =3.3V V =6.6V 100 L 70 O O V =9.9V V =13.2V
P
80 68 O O V =16.5V V =19.8V 60 66 O O V =23.1V V =26.4V 40 64 O O
W
V =29.7V V =33V O O 20 62
E
60 0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
N
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 Input Voltage (V) CTRL Pin Voltage (V)
Efficiency vs. Input Voltage LED Current vs. Input Voltage (R S=0.067Ω , L=47μH) (RS=0.1Ω, L=68μH)
1030 100 98 1025 96 1020 94 1015 92 ) 90 1010 (% (mA) 88 t 1005 n cy 86 n rre 1000 e 84 u cii C f 995 82 Ef ED 80 990 L V =3.3V V =6.6V 78 V =3.3V V =6.6V 985 O O O O V =9.9V V =13.2V 76 V =9.9V V =13.2V O O O O 980 V =16.5V V =19.8V V =16.5V V =19.8V O O 74 O O V =23.1V V =26.4V V =23.1V V =26.4V O O O O 975 72 V =29.7V V =33V V =29.7V V =33V O O O O 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 V =9.9V V =13.2V 350 V =9.9V V =13.2V 1.55 O O O O V =16.5V V =19.8V V =16.5V V =19.8V O O O O V =23.1V V =26.4V 300 1.54 V =23.1V V =26.4V O O O O V =29.7V V =33V O O z) V =29.7V V =33V O O 250 (A) 1.53 (kH t n cy rre n 200 u 1.52 e u C q re 150 1.51 ED F L 100 1.50 50 1.49 0 1.48 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) AL8860Q 6 of 15 May 2019 Document number: DS41797 Rev. 2 - 2
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