RT4503 - Asynchronous Boost Converter

Product Overview

Richtek Technology

Part number	RT4503
Manufacturer	Richtek Technology
File Size	266.31 KB
Description	Asynchronous Boost Converter
Datasheet	RT4503 Datasheet
Additional preview pages of the RT4503 datasheet.

The RT4503/A is a highly integrated LED driver IC capable of driving 10 WLEDs in series.

It is composed of a current mode Boost converter integrated with a 36V/1.2A power switch.

The RT4503/A supports a wide input voltage range from 2.5V to 5.5V and runs at a fixed frequency of 550kHz.

2.5V to 5.5V Input Voltage Range.
36V Open LED Protection for 10 WLEDs.
Pulse Dimming Brightness Control.
200mV Reference Voltage with ±2% Accuracy.
550kHz Switching Frequency.
Built-In Soft-Start.
Over-Temperature Protection.
Internal Compensation.
Current Limit Ordering Information RT4503/A Package Type QW : WDFN-6L 2x2 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Note : RT4503 : PWM Dimming RT4503A : Pulse Dimming Richt.

📁 Similar Datasheet

Other Datasheets by Richtek Technology

Published: May 27, 2016 |