MAX638

PRODUCTION

5V Adjustable, CMOS, Step-Down Switching Regulator

Data Sheet (Rev. 1) Product Selection Table

Part Models: 5
1ku List Price: price unavailable

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Overview

The MAX638 was introduced in 1996. It was considered state of the art for many years and is still available for sale.

For a list of more recent products, view our latest switching regulators.

Part Models: 5
1ku List Price: price unavailable

Documentation

Data Sheet 2

MAX638: 5V Adjustable, CMOS, Step-Down Switching Regulator Data Sheet (Rev.1) 07/01/1996

MAX638 10/10/2022

Reliability Data 1

MAX638 Reliability Data 01/12/2023

Design Note 1

48V-to-5V DC-DC Converter Using MAX638 Switching Step-Down Regulator Borrows Power from Phone Lines 09/30/2002

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX638ACPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX638ACSA+	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX638ACSA+T	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX638AEPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX638AMJA/883B	Ceramic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

May 22, 2018 - 1702N ASSEMBLY
		pcn_1702n
MAX638ACSA+
MAX638ACSA+T	Obsolete

This is the most up-to-date revision of the Data Sheet.

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