National Semiconductor LM2594/LM2594HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator Datashee

This datasheet mainly introduces the basic principle, characteristic parameters, usage methods and circuit application examples of the LM2594/LM2594HV series switching regulators.

Brand: National Semiconductor
Category: Power Management
Document type: Datasheet
Language: English
Pages: 28
File format: PDF
File size: 740 KB
Published: 05 June, 2012
Updated: 29 September, 2023
MD5 checksum: 05D0F9D2A6B167256A00F7BE37D68D6F
PDF: National Semiconductor LM2594/LM2594HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator Datashee PDF

About this manual

The LM2594/LM2594HV series are monolithic integrated circuits designed to provide all the active functions for a step-down (buck) switching regulator. These devices are available in fixed output voltages of 3.3V, 5V, and 12V, as well as an adjustable output version. They are packaged in 8-lead DIP and 8-lead surface mount packages.

What's inside

General Description
Connection Diagrams and Order Information
Absolute Maximum Ratings
Operating Conditions
Electrical Characteristics
Typical Performance Characteristics

Specifications

Output Current	0.5A
Switching Frequency	150 kHz
Fixed Output Voltages	3.3V, 5V, 12V
Adjustable Output Range	1.2V to 37V (57V for HV)
Package Types	8-lead DIP and 8-lead surface mount

Frequently asked questions

What is the standby current of the regulator?

The typical standby current is 85 µA.

Does this device require external frequency compensation?

No, it features internal frequency compensation.

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