Datasheet4U Logo Datasheet4U.com

RT8453B High Voltage Buck LED Driver

RT8453B Description

RT8453B 1.5A, 500kHz, 40V High Voltage Buck LED Driver General .
The RT8453B is a buck current mode PWM regulator for LED driving applications.

RT8453B Features

* z Input Operating Range 4.5 to 40V z 1.5A Switching Current Limitation z 10% Constant Current Output Accuracy z Current Mode PWM with 500kHz Switching Frequency z Analog or PWM Control Signal for LED Dimming z Programmable Soft-Start z Input Under Voltage Lockout z Over Temperature Protection z RoHS

RT8453B Applications

* It provides an integrated 1.5A switch and can be operated with a wide input voltage range from 4.5V to 40V. With a 500kHz operating frequency, the RT8453B allows all external inductor and input/output capacitors to be small. High efficiency is achieved with its 190mV current sensing capability. Dim

📥 Download Datasheet

Preview of RT8453B PDF
datasheet Preview Page 2 datasheet Preview Page 3

Datasheet Details

Part number
RT8453B
Manufacturer
Richtek
File Size
135.91 KB
Datasheet
RT8453B-Richtek.pdf
Description
High Voltage Buck LED Driver

📁 Related Datasheet

  • RT84 - AUTOMOTIVE BRIDGE RECTIFIERS (LRC)
  • RT8004 - Synchronous Step-Down Regulator (Richtek Technology)
  • RT8015 - Synchronous Step-Down Regulator (Richtek Technology)
  • RT8015B - Synchronous Step-Down Converter (Richtek Technology)
  • RT805 - AUTOMOTIVE BRIDGE RECTIFIERS (LRC)
  • RT81 - AUTOMOTIVE BRIDGE RECTIFIERS (LRC)
  • RT810 - AUTOMOTIVE BRIDGE RECTIFIERS (LRC)
  • RT8100A - Synchronous buck PWM DC/DC (Richtek Technology Corporation)

📌 All Tags

High Voltage Buck LED Driver Richtek
Richtek RT8453B-like datasheet