LM2596T-ADJ/NOPB Description
The step-down (buck) switching regulators in the LM2596 series of regulators are monolithic integrated circuits that can drive a 3-A load with excellent line and load regulation. These devices come with 3.3 V, 5 V, 12 V fixed output voltages as well as an adjustable output version. These regulators are easy to operate, need a minimal amount of external components, and have an internal frequency compensator and fixed-frequency oscillator.
Because the LM2596 series switches at 150 kHz, fewer filter components are possible than with switching regulators that operate at lower frequencies. Available in a 5-pin TO-263 surface mount package and a regular 5-pin TO-220 packaging with a variety of lead bend options. Among many other benefits, the new product, LMR33630, has a lower BOM cost, more efficiency, and an 85% reduction in solution size. With the LMR33630, begin WEBENCH Design.
LM2596T-ADJ/NOPB Features
New product available: LMR33630 36-V, 3-A, 400-kHz synchronous converter
3.3-V, 5-V, 12-V, and adjustable output versions
Adjustable version output voltage range: 1.2-V to
37-V ±4% maximum over line and load conditions
Available in TO-220 and TO-263 packages
3-A output load current
Input voltage range up to 40 V
Requires only four external components
Excellent line and load regulation specifications
150-kHz Fixed-frequency internal oscillator
TTL shutdown capability
Low power standby mode, IQ, typically 80 μA
High efficiency
Uses readily available standard inductors
Thermal shutdown and current-limit protection
LM2596T-ADJ/NOPB Applications
Appliances
Grid infrastructure
EPOS
Home theater
