Datasheet AL8843Q (Diodes) - 4
| Fabricante | Diodes |
| Descripción | Automotive Compliant 40V 3A Step-Down LED Driver |
| Páginas / Página | 18 / 4 — AL8843Q. Recommended Operating Conditions. Symbol. Parameter. Min. Max. … |
| Formato / tamaño de archivo | PDF / 1.2 Mb |
| Idioma del documento | Inglés |
AL8843Q. Recommended Operating Conditions. Symbol. Parameter. Min. Max. Unit. Thermal Information. Rating. www.diodes.com
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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