Datasheet4U Logo Datasheet4U.com

RT8458D Constant Current PWM Buck Controller

RT8458D Description

® RT8458D High Voltage, High Efficiency, Constant Current PWM Buck Controller for LED Lighting General .
The RT8458D is a PWM controller with an internal high side gate driver.

RT8458D Features

* a 160kHz fixed frequency oscillator, an internal
* 220mV precision reference, and a PWM comparator with latching logic. The accurate output LED current is achieved by an averaging current feedback loop and the LED current dimming can be easily controlled via the ACTL pin. The RT8458D also has

RT8458D Applications

* E27, PAR30, Offline LED Lights Marking Information 13=DNN 13= : Product Code DNN : Date Code Simplified Application Circuit RVCC CVCC CVC2 RVC CVC1 RT8458D VCC ACTL VC GATE GND SENSE CIN D2 VIN Analog Dimming Q1 RS D1 L1 COUT LED+ LED- Copyright ©2014 Richtek Technology Corpora

📥 Download Datasheet

Preview of RT8458D PDF
datasheet Preview Page 2 datasheet Preview Page 3

Datasheet Details

Part number
RT8458D
Manufacturer
Richtek
File Size
203.50 KB
Datasheet
RT8458D-Richtek.pdf
Description
Constant Current PWM Buck Controller

📁 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

Constant Current PWM Buck Controller Richtek
Richtek RT8458D-like datasheet