LM2595 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM2595
Manufacturer

ON Semiconductor
ChipWorker Part#

CW1242933241
Description

Buck Regulator, Switching, 1A
Documentation

Datasheet

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Product Description

The LM2595 series of Buck Switching Regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. Requiring a minimum number of external components, these Buck Switching Regulators are simple to use and include internal frequency compensation, and a fixed-frequency oscillator. The LM2595 series operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 5-lead TO-220 package with several different lead bend options, and a 5-lead D2PAK surface mount package. A standard series of inductors are available from several different manufacturers optimized for use with the LM2595 series. This feature greatly simplifies the design of switch-mode power supplies.Other features include a guaranteed +/-4% tolerance on output voltage under specified input voltage and output load conditions, and +/-15% on the oscillator frequency. External shutdown is included, featuring typically 80 µA standby current. Self protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. See LM2596 for 3.0A and LM2594 for 0.5A.
Features | | Benefits
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| | | | |
Adjustable output voltage range, 1.2V to 37V +/-4% max over line and load
| |
Flexible to configure for different output voltages and applications
Available in TO-220 and D2PAK packages
| |
Different mounting options
Guaranteed 1A output load current
| |
High power designs
Input voltage range up to 40V
| |
Can be used with several input voltage supplies (+12V, +24V, +36V)
Excellent line and load regulation specifications
| |
Provides a stable power supply
150 kHz fixed frequency internal oscillator
| |
No external component required to set frequency
TTL shutdown capability
| |
Easy to implement low power modes
Low power standby mode, Iq typically 80 µA
| |
Power saving mode
Uses readily available standard inductors
| |
Quick and easy implementation
Thermal shutdown and current limit
| |
Additional protection against faults

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