Datasheet AL8860Q (Diodes) - 5

AL8860Q Q Typical Performance Characteristics
(TA = +25°C, VIN = 16V, unless otherwise specified.)
Quiescent Current vs. Input Voltage Quiescent Current vs. Temperature
560 600 540 580 520 560 A) A) ( 500 ( 540 t t V =16V n n IN

480 rre 520 rre
T
u u C 460 C 500
C
t t n n
U
440 sce 480 sce e e
D
i i u 420 u Q 460 Q
O
400
R
440
P
380

420
W
360 400 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
E
-50 -25 0 25 50 75 100 125 Input Voltage (V)
N
Temperature (OC)
Shutdown Current vs. Input Voltage Shutdown Current vs. Temperature
100

60 58 90 56 80 A) A) 54 ( 70 ( t t n n 52 60 rre rre V =16V u IN uC 50 C 50 n n w w o 48 o 40 dt dt u 30 46 Sh Shu 44 20 42 10 40 0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 -50 -25 0 25 50 75 100 125 Input Voltage (V) Temperature (OC)
SET Threshold Voltage vs. Input Voltage PWM Dimming (VIN=16V, 3 LEDs, L= 47μH, RS=0.3Ω) Output Current v s. Duty Cycle
120 340

115 320 L=47H,f =680kHz 300 SW 110 f =100Hz 280 PWM 105 260 f =200Hz (mV) PWM e 240 100 f =500Hz PWM gat 220 l (mA) f =1kHz 95 PWM t 200 Vo n d 90 180 l rre o u 160 85 C sh t 140 re u h 80 p 120 t T u 100 O 75 SET V 80 TH_H 70 V 60 TH_MEAN 40 65 VTH_L 20 60 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 0 0 10 20 30 40 50 60 70 80 90 100 Input Voltage (V) Duty Cycle (%) AL8860Q 5 of 15 May 2019 Document number: DS41797 Rev. 2 - 2
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