Datasheet AL8861Q (Diodes) - 8
| Manufacturer | Diodes |
| Description | High Efficiency 40V 1.5A Automotive Grade Buck LED Driver |
| Pages / Page | 15 / 8 — AL8861Q. Performance Characteristics. Steady State Start Up. W E. PWM … |
| File Format / Size | PDF / 666 Kb |
| Document Language | English |
AL8861Q. Performance Characteristics. Steady State Start Up. W E. PWM Dimming (100Hz, Duty=50%). Pulse Skip Mode
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Text Version of Document
AL8861Q Performance Characteristics
(VIN = 16V, 3 LEDs, RS = 0.3Ω, L = 47μH, TA = +25°C, unless otherwise specified.)
Steady State Start Up
VIN 10V/div IL 100mA/div VLX 10V/div
T C U
VVSET
D
2V/div V
O
LX IL 5V/div
R
200mA/div
P
Time 1μs/div Time 20μs/div
W E N PWM Dimming (100Hz, Duty=50%) Pulse Skip Mode
VVSET 2V/div IL VLX 100mA/div 10V/div IL 200mA/div VLX 5V/div Time 5ms/div Time 20μs/div
LED Open Protection RS Short Protection
VIN 10V/div VLX VLX 10V/div 10V/div IL I 1A/div L 200mA/div V Zoom In LED- 5V/div Time 1ms/div Time 5ms/div AL8861Q 8 of 15 May 2019 Document number: DS41798 Rev. 2 - 2
www.diodes.com
© Diodes Incorporated
(VIN = 16V, 3 LEDs, RS = 0.3Ω, L = 47μH, TA = +25°C, unless otherwise specified.)
Steady State Start Up
VIN 10V/div IL 100mA/div VLX 10V/div
T C U
VVSET
D
2V/div V
O
LX IL 5V/div
R
200mA/div
P
Time 1μs/div Time 20μs/div
W E N PWM Dimming (100Hz, Duty=50%) Pulse Skip Mode
VVSET 2V/div IL VLX 100mA/div 10V/div IL 200mA/div VLX 5V/div Time 5ms/div Time 20μs/div
LED Open Protection RS Short Protection
VIN 10V/div VLX VLX 10V/div 10V/div IL I 1A/div L 200mA/div V Zoom In LED- 5V/div Time 1ms/div Time 5ms/div AL8861Q 8 of 15 May 2019 Document number: DS41798 Rev. 2 - 2
www.diodes.com
© Diodes Incorporated
