LTM4653

RECOMMENDED FOR NEW DESIGNS

EN55022B Compliant 58V, 4A Step-Down DC/DC µModule Regulator

Data Sheet (Rev. B) Product Selection Table

Part Models: 3
1ku List Price: Starting From $14.78

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Overview

Complete Low EMI Switch Mode Power Supply
EN55022 Class B Compliant
Wide Input Voltage Range: 3.1V to 58V
Up to 4A Output Current
Output Voltage Range: 0.5V ≤ V_OUT ≤ 0.94 • V_IN
±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C)
Parallel and Current Share with Multiple LTM4653s

Analog Output Current Indicator
Programmable Input Voltage Limiting
Constant-Frequency Current Mode Control
Power Good Indicator and Programmable Soft-Start
Overcurrent/Overvoltage/Overtemperature Protection
15mm × 9mm × 5.01mm BGA Package

The LTM4653 is an ultralow noise 58V, 4A DC/DC stepdown μModule^® regulator designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components. Included in the package are the switching controller, power MOSFETs, inductor, filters and support components.

Operating over an input voltage range of 3.1V to 58V, the LTM4653 supports an output voltage range of 0.5V to 94% of V_IN, and a switching frequency range of 250kHz to 3MHz (400kHz default), each set by a single resistor. For high load currents, the LTM4653 can be paralleled in PolyPhase^® operation and synchronized to an external clock. Only the bulk input and output filter capacitors are needed to finish the design.

The LTM4653 is offered in a 15mm × 9mm × 5.01mm BGA package with SnPb or RoHS compliant terminal finish.

APPLICATIONS

Avionics, Industrial Control and Test Equipment
Video, Imaging and Instrumentation
48V Telecom and Network Power Supplies
RF Systems

Part Models: 3
1ku List Price: Starting From $14.78

Documentation

Data Sheet 1

LTM4653: EN55022B Compliant 58V, 4A Step-Down DC/DC µModule Regulator Data Sheet (Rev.B) 04/17/2018

Reliability Data 1

R504 Reliability Data 03/26/2018

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
LTM4653EY#PBF	77-Lead BGA (9mm x 15mm x 5.01mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTM4653IY	77-Lead BGA (9mm x 15mm x 5.01mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTM4653IY#PBF	77-Lead BGA (9mm x 15mm x 5.01mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jul 21, 2021 - 21_0159 Ink Mark to Laser Mark Conversion for µModule
		PCN21_0159_Form Material_Report Delta Qualification Matrix
LTM4653EY#PBF	PRODUCTION
LTM4653IY	PRODUCTION
LTM4653IY#PBF	PRODUCTION
Feb 28, 2020 - 20_0123 Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia
		PCN20_0123_Form Material_Report Test Correlation Report Other Qualification Results Summary
LTM4653EY#PBF	PRODUCTION
LTM4653IY	PRODUCTION
LTM4653IY#PBF	PRODUCTION
Feb 5, 2020 - 20_0127 Supplier Material Change for µModule
		PCN20_0127_Form Material_Report Qualification Results Summary
LTM4653EY#PBF	PRODUCTION
LTM4653IY	PRODUCTION
LTM4653IY#PBF	PRODUCTION
May 17, 2019 - 19_0067 Notification of Wafer Fab Location Change for 0.35 BCD Process
		PCN19_0067_Form Material_Report Delta Qualification Matrix Qualification Results Summary Detailed Parts List Other
LTM4653EY#PBF	PRODUCTION
LTM4653IY	PRODUCTION
LTM4653IY#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:

LTM4653

LTpowerCAD 1

LTM4653 Project - DC2327A Step-Down DC/DC μModule Regulator (28-58Vin, 24Vout, 4A, 1.2MHz)

Design tools for the following parts are available in LTpowerCAD:

LTM4653

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.

LTpowerCAD^® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

LTM4653 EN55022B Compliant 58V, 4A Step-Down DC/DC μModule Regulator

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Product Details

Demonstration circuit 2327A is a step-down DC/DC converter with 28V to 58V input voltage, 24V output voltage and max 4A output featuring the LTM4653Y. The LTM^®4653 is an ultralow noise, 58V, 4A step-down DC/DC μModule regulator. It is designed to meet the radiated emissions requirement of EN55022B. A switching frequency range of 250kHz to 3MHz is supported and the module can synchronize to an external clock. The LTM4653 data sheet must be read in conjunction with this demo manual prior to working on or modifying demo circuit DC2327A.

Resources

DC2327A - Schematic
7/10/2018

DC2327A - Design Files
7/10/2018

DC2327A - Demo Manual
7/10/2018

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