AL8843

Document number: DS40367 Rev. 1 - 2

4 of 18

www.diodes.com

December 2017

© Diodes Incorporated

AL8843

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit

Input Voltage

4.5

40

V

Switching Frequency

-

1

MHz

Continuous Output Current

-

3

A

Voltage Range for 10% to 100% DC Dimming Relative to GND

0.4

2.5

V

Voltage High for PWM Dimming Relative to GND

2.6

5.5

V

Voltage Low for PWM Dimming Relative to GND

0

0.3

V

Operating Ambient Temperature

-40

+105

°C

Operating Junction Temperature

-40

+125

°C

Symbol

Parameter

Rating

Unit

Junction-To-Ambient Thermal Resistance

56

°C/W

Junction-To-Case (Top) Thermal Resistance

11

°C/W

Note:

5. Device mounted on 2″×2″ FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout.