Datasheet AL8860Q (Diodes) - 5

FabricanteDiodes
DescripciónHigh Efficiency 40V 1.5A Automotive Grade Buck LED Driver
Páginas / Página15 / 5 — AL8860Q. Typical Performance Characteristics. Quiescent Current vs. Input …
Formato / tamaño de archivoPDF / 1.0 Mb
Idioma del documentoInglés

AL8860Q. Typical Performance Characteristics. Quiescent Current vs. Input Voltage Quiescent Current vs. Temperature

AL8860Q Typical Performance Characteristics Quiescent Current vs Input Voltage Quiescent Current vs Temperature

Línea de modelo para esta hoja de datos

Versión de texto del documento

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
www.diodes.com
© Diodes Incorporated