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LM3743

Texas Instruments
Part Number LM3743
Manufacturer Texas Instruments
Description PWM Buck Controller
Published May 3, 2020
Detailed Description LM3743 www.ti.com SNVS427E – SEPTEMBER 2006 – REVISED APRIL 2013 LM3743 High-Performance Synchronous Buck Controller ...
Datasheet PDF File LM3743 PDF File

LM3743
LM3743

Overview
LM3743 www.
ti.
com SNVS427E – SEPTEMBER 2006 – REVISED APRIL 2013 LM3743 High-Performance Synchronous Buck Controller with Comprehensive Fault Protection Features Check for Samples: LM3743 FEATURES 1 •2 Input Voltage From 3.
0V to 5.
5V • Output Voltage Adjustable Down to 0.
8V • Reference Accuracy: ±1.
75%, over Full Temperature and Input Voltage Range • High-Side and Low-Side N-Channel MOSFETs • Switching Frequency Options of 1 MHz or 300 kHz • Comprehensive Fault Protection Features: – High-Side Current Limit – Low-Side Current Limit – Output Under-Voltage Protection • Hiccup Mode Protection Eliminates Thermal Runaway During Fault Conditions • Externally Programmable Soft-Start with Tracking Capability • Pre-Bias Start-Up Capability • VSSOP-10 Package DESCRIPTION The LM3743 is a DC-DC voltage mode PWM buck controller featuring synchronous rectification at 300 kHz or 1 MHz.
It can deliver current as high as 20A and step down from an input voltage between 3V and 5.
5V down to a minimum...


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