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PAM2841

1.5A SW Current, 40V Precision WLED Driver

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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. 
 

Application(s)

  • WLED Driver System

Feature(s)

  • 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

Product Specifications

Product Parameters

Qualified to AECQ10x No
Compliance (Only Automotive supports PPAP) Standard
Function Boost LED Driver
MinimumInput Voltage 2.7 V
MaximumInput Voltage 5.5 V
Maximum Output Voltage 40 V
Number of Regulated Output Channels 1
Maximum Output Current per Channel 200 mA
Typical Over-Current Protection Current 1500 mA
Switching Frequency 1 MHz
Efficiency 90 %
Quiescent Current 0.2 mA
Standby Quiescent Current 1 µA
SW RDS(ON) 0.35 Ω
Dimming PWM
OVP Yes
Soft Start Yes
VFB 200 V
OperatingTemperatureRange -40 to 85 °C

Related Content

Packages
MSOP-8
U-DFN2020-8

Technical Documents

Evaluation Boards and User Guides

Recommended Soldering Techniques

TN1.pdf

Orderable Part Number Buy from Distributor / Contact Sales Request Samples
PAM2841GR

PAM2841GR

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 3925 4/23/2021 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 19475 4/22/2021 Europe, Asia, North America Buy Now
Farnell, An Avnet Company 2370 4/22/2021 England Buy Now
Farnell, An Avnet Company 2370 4/22/2021 England Buy Now
Request Sample
PAM2841SR

PAM2841SR

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Digi-Key Electronics 2224 4/22/2021 Europe, Asia, North America Buy Now
Request Sample

PCNs

Product Change Notices

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site