AL8861QTypical Performance Characteristics (TA = +25°C, VIN = 16V, unless otherwise specified.) Quiescent Currentvs. Input Voltage Quiescent Currentvs. Temperature 560
600 540 580 V =16V IN 520 560 A) A) ( 500 ( 540 t t n n 480 520 rre rre
u u C C T 460 500 t t n n C 440 480 sce sce U e e i i u u 420 460 D Q Q O 400 440 R 380 420 P 360 400 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 W -50 -25 0 25 50 75 100 125 Input Voltage (V) E Temperature (oC) NShutdown Currentvs. Input Voltage Shutdown Current vs. Temperature 60
100
58 90 V =16V IN 56 80 A) A) 70 54 ( ( t t n n 52 rre 60 rre u u C 50 C 50 n n w w o o 40 48 d d t t u u 30 46 Sh Sh 20 44 42 10 40 0 -50 -25 0 25 50 75 100 125 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Input Voltage (V) Temperature (oC) ISENSE Threshold Voltage vs. Input VoltagePWM Dimming (VIN=16V, 3 LEDs, L=47μH, RS=0.3Ω)LED Current vs. Duty Cycle 120 340