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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

  • WLED Driver System

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

Product Specifications

Product Parameters

Function Boost Converter
Minimum Input Voltage 2.7 V
Maximum Input 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 ADJ up to 40
Soft Start Yes
VFB 200 V
Operating Temperature Range -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 Authorized Distributor Quantity Inventory Date Buy Online Region
PAM2841GR Arrow Electronics Central EU 3000 8/12/2020 Buy Now Germany
PAM2841GR Digi-Key Electronics 14982 8/12/2020 Buy Now United States
PAM2841GR Mouser Electronics Inc. 10367 8/12/2020 Buy Now United States
PAM2841SR Digi-Key Electronics 713 8/12/2020 Buy Now United States
PAM2841SR Mouser Electronics Inc. 1838 8/12/2020 Buy Now United States
PAM2841SR RS Components 640 8/11/2020 Buy Now England
PAM2841SR RS Components Ltd. 640 8/11/2020 Buy Now Japan