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MICROCHIP MIC4801YM

Manufacturer
MICROCHIP
MPN
MIC4801YM
LCSC Part #
C144217
Packaging
SOIC-8
Customer #
Key Attributes
High Efficiency 600mA Single Channel Linear WLED Driver with Ultra Fast PWM Control
DatasheetMICROCHIP MIC4801YM
RoHS Compliance2 documents available
Alternative Parts1
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers
ManufacturerMICROCHIP
PackagingSOIC-8
Output Current600mA
Operating Temperature-40℃~+125℃
Frequency - Switching-
DimmingPWM
Voltage - Input(AC)-
Number of Channels1
TypeDC-DC
Features-
Switch tube (built-in/external)Built-in
Output Voltage-
Topology-
Constant Current Accuracy1%
Voltage - Input(DC)3V~5.5V
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Introduction

AI Translation

The MIC4801 is a high efficiency White LED (WLED) driver designed to drive a single LED up to 600mA. The MIC4801 constant current driver is designed to drive high power LED’s in various lighting applications. The MIC4801 provides the highest possible efficiency as this architecture has no switching losses present in traditional charge pumps or inductive boost circuits. It features a typical dropout of 130mV at 400mA. This allows the LEDs to be driven directly from the voltage source eliminating switching noise/losses present with the use of boost circuitry. The high accuracy (±1% typical) current regulated WLED channel ensures uniform display illumination under all conditions. The brightness is controlled through an Ultra Fast PWM Control interface operating down to less than 1% duty cycle. The MIC4801 is available in an 8-pin SOIC package with a junction temperature range of -40°C to +125°C.

Features

AI Translation
  • High Efficiency (no Voltage Boost losses)
  • Ultra Fast PWM control (200Hz to 500kHz)
  • Input voltage range: 3.0V to 5.5V
  • Dropout of 130mV at 400mA
  • Programmable LED current with external resistor
  • Current accuracy of ±1% typical

Applications

AI Translation
  • Bill board displays
  • Marquee displays
  • Instrument displays
  • Architectural lighting