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LM20124-Q1

Texas Instruments
Part Number LM20124-Q1
Manufacturer Texas Instruments
Description Synchronous Buck Regulator
Published Nov 26, 2023
Detailed Description LM20124, LM20124-Q1 www.ti.com SNVS507F – OCTOBER 2007 – REVISED MARCH 2013 4A, 1MHz PowerWise® Synchronous Buck Regul...
Datasheet PDF File LM20124-Q1 PDF File

LM20124-Q1
LM20124-Q1

Overview
LM20124, LM20124-Q1 www.
ti.
com SNVS507F – OCTOBER 2007 – REVISED MARCH 2013 4A, 1MHz PowerWise® Synchronous Buck Regulator Check for Samples: LM20124, LM20124-Q1 FEATURES 1 •2 LM20124-Q1 is AEC-Q100 qualified and manufactured on an Automotive Grade Flow • Input voltage range 2.
95V to 5.
5V • Accurate current limit minimizes inductor size • 96% efficiency at 1 MHz switching frequency • 32 mΩ integrated FET switches • Starts up into pre-biased loads • Output voltage tracking • Peak current mode control • Adjustable output voltage down to 0.
8V • Adjustable Soft-Start with external capacitor • Precision enable pin with hysteresis • Integrated OVP, UVLO, power good and thermal shutdown • TSSOP 16 pin exposed pad package APPLICATIONS • Simple to design, high efficiency point of load regulation from a 5V or 3.
3V bus • High Performance DSPs, FPGAs, ASICs and microprocessors • Broadband, Networking and Optical Communications Infrastructure DESCRIPTION The LM20124 is a full featured 1 MHz synchronous buck regulator capable of delivering up to 4A of continuous output current.
The current mode control loop can be compensated to be stable with virtually any type of output capacitor.
For most cases, compensating the device only requires two external components, providing maximum flexibility and ease of use.
The device is optimized to work over the input voltage range of 2.
95V to 5.
5V making it suited for a wide variety of low voltage systems.
The device features internal over voltage protection (OVP) and over current protection (OCP) circuits for increased system reliability.
A precision enable pin and integrated UVLO allows the turn-on of the device to be tightly controlled and sequenced.
Start-up inrush currents are limited by both an internally fixed and externally adjustable Soft-Start circuit.
Fault detection and supply sequencing is possible with the integrated power good circuit.
The LM20124 is designed to work well in multi-rail power supply architectures.
The output v...


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