LTM8083

RECOMMENDED FOR NEW DESIGNS

36V, 1.5A Buck-Boost μModule Regulator

Data Sheet (Rev. A) Product Selection Table

Part Models: 2
1ku List Price: Starting From $9.95

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Overview

Complete Buck-Boost Switch Mode Power Supply
Wide Input Voltage Range: 3V to 36V
Wide Output Voltage Range: 1V to 36V
12V/0.8A Output at 6V_IN
12V/1.5A Output at 12V_IN
12V/1.5A Output at 36V_IN
Integrated Three-Terminal Capacitors and Spread Spectrum for Excellent EMI Performance

Compliant with CISPR25 Class 5 Limits (Refer to Figure 25 in the data sheet)
300kHz to 2MHz Fixed Switching Frequency with External Frequency Synchronization
Adjustable Output Current Limit
Output Current Monitoring
RoHS Compliant Package
6.25mm × 6.25mm × 2.22mm BGA Package

The LTM8083 is a 36V_IN, Buck-Boost μModule^® Regulator. Included in the package are the switching controller, power switches, inductor, and support components. All that is needed to complete the design is resistors for setting the output voltage and operating frequency, and input and output capacitors. Operating over an input voltage range from 3V to 36V, the LTM8083 can regulate output voltages between 1V and 36V with seamless low-noise transitions between operation regions, as well as controlling both input and output average currents through external sense resistors.

The low profile package enables utilization of unused space on the bottom of PC boards for high density point of load regulation. The LTM8083 is packaged in thermally enhanced, compact over-molded Ball Grid Array (BGA) packages suitable for automated assembly by standard surface mount equipment. The LTM8083 is RoHS compliant.

APPLICATIONS

Battery-Operated Devices
Test and Measurement Equipment
Industrial Control
Solar Powered Voltage Regulator
Solar Powered Battery Charging

Part Models: 2
1ku List Price: Starting From $9.95

Documentation

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
LTM8083EY#PBF	49-Lead BGA (6.25mm x 6.25mm x 2.22mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTM8083IY#PBF	49-Lead BGA (6.25mm x 6.25mm x 2.22mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 25, 2025 - 25_0102 LTM8083 - Die Thickness Change
		PCN25_0102_Form Material_Report Qualification Results Summary Other
LTM8083EY#PBF	PRODUCTION
LTM8083IY#PBF	PRODUCTION
Jul 21, 2021 - 21_0159 Ink Mark to Laser Mark Conversion for µModule
		PCN21_0159_Form Material_Report Delta Qualification Matrix
LTM8083EY#PBF	PRODUCTION
LTM8083IY#PBF	PRODUCTION

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

Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTM8083

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

LTM8083 Demo Board | 3VIN to 36VIN, 12VOUT at 1.5A Buck-Boost μModule Regulator

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Product Details

Demonstration circuit 2859A is a step-up/-down DC/DC converter with a 3V to 36V input voltage range and a 12V output capable of 1.5A from 12 to 36V_IN, 0.8A at 6V_IN, and 0.25A at 3V_IN, featuring the LTM8083.

The LTM8083 data sheet gives complete description of the device, including operation and application information. The data sheet must be read in conjunction with this demo manual prior to working on or modifying DC2859A.

KEY FEATURES