MAX635

PRODUCTION

Preset/Adjustable Output CMOS Inverting Switching Regulators

Data Sheet (Rev. 0) Product Selection Table

Part Models: 8
1ku List Price: Starting From $3.51

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Overview

Preset -5V, -12V, -15V Output Voltages
Adjustable Output with 2 Resistors
85% Typ Efficiency
Only 3 External Components
80µA Typ Operating Current
Low Battery Detector

The MAX635/MAX636/MAX637 inverting switching regulators are designed for minimum component DC-DC conversion in the 5mW to 500mW range.

Low power applications require only a diode, output filter capacitor, and a low-cost inductor. An additional MOSFET and driver are needed for higher power applications. Low battery detection circuitry is included on chip.

The MAX635/MAX636/MAX637 are preset for -5V, -12V, -15V outputs, respectively. However, the regulators can be set to other levels by adding 2 resistors.

Maxim manufactures a broad line of step-up, step-down, and inverting DC-DC converters, with features such as logic-level shutdown, adjustable oscillator freuqency, and external MOSFET drive.

Applications

Battery Power Conversion
Board Level DC-DC Conversion
Minimum Component, High -Efficiency DC-DC Converters
Portable Instruments

Part Models: 8
1ku List Price: Starting From $3.51

Documentation

Data Sheet 1

MAX635-MAX637: Preset/Adjustable Output CMOS Inverting Switching Regulators Data Sheet (Rev.0) 01/29/1999

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
MAX635ACPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635ACSA+	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635ACSA+T	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635AEPA+	Plastic Dual-In-Line, Narrow (0.3in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635AESA+	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635AESA+T	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635BCSA+	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX635BCSA+T	Small-Outline IC, Narrow (0.15in)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 30, 2020 - 1702R2 ASSEMBLY
		pcn_1702r2
MAX635ACSA+	PRODUCTION
MAX635ACSA+T	PRODUCTION
MAX635AESA+	PRODUCTION
MAX635AESA+T	PRODUCTION
MAX635BCSA+	PRODUCTION

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

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