Datasheet4U Logo Datasheet4U.com

LM2647 - Dual Synchronous Buck Regulator Controller

📥 Download Datasheet

General Description

The LM2647 is an adjustable 200-500kHz dual channel voltage-mode controlled high-speed synchronous buck regulator controller ideally suited for battery powered applications such as laptop and notebook computers.

The LM2647 requires only Nchannel FETs for both the upper and lower positions of each synchronous stage.

It

Overview

LM2647 www.ti.com SNVS210F – JUNE 2003 – REVISED APRIL 2013 LM2647 Dual Synchronous Buck Regulator Controller Check for Samples:.

Key Features

  • 1.
  • 2 Input Voltage Range from 5.5V to 28V.
  • Synchronous Dual-channel Interleaved Switching.
  • Forced-PWM or Pulse-skip Modes.
  • Lossless Bottom-side FET Current Sensing.
  • Adaptive Duty Cycle Clamping.
  • High Current N-channel FET Drivers.
  • Low Shutdown Supply Currents.
  • Reference Voltage Accurate to Within ±1.5%.
  • Output Voltage Adjustable down to 0.6V.
  • Power Good flag and Chip Enable.
  • Under-voltage Lockout.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Logo LM2647 Dual Synchronous Buck Regulator Controller National Semiconductor

More Datasheets from Texas Instruments

Part Number Description
LM2640 Dual Adjustable Step-Down Switching Power Supply Controller
LM26400Y 500-kHz Wide Input Range Buck Regulator
LM2641 Dual Adjustable Step-Down Switching Power Supply Controller
LM2642 Two-Phase Synchronous Step-Down Switching Controller
LM26420 High-Efficiency Synchronous DC/DC Converter
LM26420-Q1 High-Efficiency Synchronous DC/DC Converter
LM26480 1.5-A Buck Regulators and Dual 300-mA LDO
LM26480-Q1 1.5-A Buck Regulators and Dual 300-mA LDO
LM26484 Power Management Unit
LM26 Factory-Preset Thermostat