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 Tracki...

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