Diodes PAM2841 - Manual

PAM2841
Document number: DSxxxxx Rev. 1 - 5
1 of 16
www.diodes.com
September 2013
© Diodes Incorporated
PAM2841
A Product Line of
Diodes Incorporated
1.5A SW CURRENT, 40V PRECISION WLED DRIVER
Description
The PAM2841 is a white LED driver, capable of driving 10 or more
WLEDs in series (depending on forward voltage of the LEDs) with a
range of input voltages from 2.7V to 5.5V.
The PAM2841 features over current protection, over voltage
protection, under voltage lockout and over temperature protection,
which prevent the device from damage.
LED dimming can be done by four methods as described in the
Application Information hereinafter.
Features
 Capable of Driving 10 or More WLEDs
 Chip Enable with Soft-Start
 Analog and PWM Dimming
 Peak Efficiency up to 90%
 Low Quiescent Current
 Fixed Frequency of 1MHz
 Over Current Protection
 Over Voltage Protection
 Thermal Protection
 UVLO

Tiny Pb-Free Packages (RoHS Compliant):
MSOP-8 and DFN 2X2
Applications
 WLED Driver System
Pin Assignments
Typical Applications Circuit