Datasheet AL8843Q (Diodes) - 4
| Manufacturer | Diodes |
| Description | Automotive Compliant 40V 3A Step-Down LED Driver |
| Pages / Page | 18 / 4 — AL8843Q. Recommended Operating Conditions. Symbol. Parameter. Min. Max. … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
AL8843Q. Recommended Operating Conditions. Symbol. Parameter. Min. Max. Unit. Thermal Information. Rating. www.diodes.com
Model Line for this Datasheet
Text Version of Document
AL8843Q Recommended Operating Conditions Symbol Parameter Min Max Unit
VIN Input Voltage 4.5 40 V fSW Switching Frequency — 1 MHz IOUT Continuous Output Current — 3 A VCTRL
Voltage Range from 10% to 100% DC Dimming Relative to GND 0.4 2.5 V VCTRL_HIGH Voltage High for PWM Dimming Relative to GND 2.6 5.5 V VCTRL_LOW Voltage Low for PWM Dimming Relative to GND 0 0.3 V TA Operating Ambient Temperature -40 +125 °C
Thermal Information
(Note 7)
Symbol Parameter Rating Unit
θJA Junction-To-Ambient Thermal Resistance 45 °C/W θJC Junction-To-Case (Top) Thermal Resistance 5 °C/W Note: 7. Device mounted on 2″×2″ FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout. AL8843Q 4 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
www.diodes.com
© Diodes Incorporated Document Outline Pin Assignments Description Applications Features
VIN Input Voltage 4.5 40 V fSW Switching Frequency — 1 MHz IOUT Continuous Output Current — 3 A VCTRL
Voltage Range from 10% to 100% DC Dimming Relative to GND 0.4 2.5 V VCTRL_HIGH Voltage High for PWM Dimming Relative to GND 2.6 5.5 V VCTRL_LOW Voltage Low for PWM Dimming Relative to GND 0 0.3 V TA Operating Ambient Temperature -40 +125 °C
Thermal Information
(Note 7)
Symbol Parameter Rating Unit
θJA Junction-To-Ambient Thermal Resistance 45 °C/W θJC Junction-To-Case (Top) Thermal Resistance 5 °C/W Note: 7. Device mounted on 2″×2″ FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout. AL8843Q 4 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
www.diodes.com
© Diodes Incorporated Document Outline Pin Assignments Description Applications Features
