描述 Description

The? G5ULM2596? series? of?? regulators? are? monolithic? integrated? circuits? that? provide? all? active? functions? f or? a? step-down? (buck)? switching regulator , capable? of? driving 3A load? with? excellent line? and? load? regulation. These devices? are? available in fixed? output? voltage? of? 3.3v , 5v , 12v? and? an? adjustable? output? version.? Requiring? a? minimum? number? of?? external? components,? these? regulators? are? simple? to? use? and include internal frequency compensation and a fixed-frequency oscillator .

特性 Features

3.3V , 5.0V , 12V and adjustable output versions
Adjustable version output voltage range , 1.2V to 37V ±4% max over line and load conditions
Guaranteed 3A output current
Input voltage range up to 40V
Efficient pre-regulator f or linear regulators
Requires only 4 external components
150kHz fixed frequency internal oscillator
TTL shutdown capability , low power standby mode
High efficiency
Uses readily available standard inductors
Thermal shutdown and current limit protectionApplications
Simple high-efficiency step-down (buck) regulator
On-card switching regulators
Positive to negative converter