LTM4659
Info: : PRODUCTION
searchIcon
cartIcon

LTM4659

Ultrathin, Low VIN 10A Step-Down DC/DC μModule Regulator

Show More showmore-icon

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Viewing: Part Details
arrow-icon
Part Details

Not the part you were looking for?

viewall Go to Product Selection Table
file View Data Sheet (Rev.0)
Documentation View All Documentation
Part Models 2
1ku List Price
price unavailable
Features
  • Tiny Surface Mount, 4mm × 4mm × 1.43mm LGA
  • Silent Switcher®2 Architecture
  • Ultralow EMI Noise
  • Input Voltage Range: 2.25V to 5.5V
  • Output Voltage Range: 0.5V to VIN
  • 10A DC Output Current
  • Current Mode Control, Fast Transient Response
  • Multiphase Parallel Current Sharing with Multiple LTM4659s
  • Output Soft-Start with Voltage Tracking
  • External Frequency Synchronization
  • Selectable Pulse-Skipping Mode
  • Power Good Indicator
  • Die Temperature Monitoring Output
  • Overvoltage, Overcurrent, and
  • Overtemperature Protection
Additional Details
show more Icon

The LTM®4659 is a complete 10A step-down switch-ing mode μModule® regulator in a tiny 4mm × 4mm × 1.43mm LGA package. The package includes the switching controller, power MOSFETs, inductor and all support components. Operating over an input voltage range of 2.25V to 5.5V, the LTM4659 supports an output voltage range of 0.5V to VIN set by external resistors. Its high-efficiency design delivers 10A continuous output current. Only ceramic input and output capacitors are needed.

The LTM4659 employs a Silent Switcher 2 architecture with internal hot loop bypass capacitors to achieve both low EMI and high efficiency at high switching frequencies.

The LTM4659 also supports frequency synchronization, multiphase operation, selectable pulse-skipping mode (PSM) operation, and output voltage tracking for supply rail sequencing. Its high switching frequency and a current mode architecture enables a very fast transient response to line and load changes without sacrificing stability.

Fault protection features include overvoltage, overcurrent, and overtemperature protection. The LTM4659 is lead(Pb)-Free and RoHS-compliant.

Show More Arrow image
file View Data Sheet (Rev.0)
Documentation View All Documentation
Part Models 2
1ku List Price
price unavailable
modal bookmark icon

{{modalTitle}}

modal close icon

{{modalDescription}}

{{dropdownTitle}}

input down arrow
  • {{defaultSelectedText}}
    • {{#each projectNames}}
  • {{name}}
    • {{/each}} {{#if newProjectText}}
  • plus icon {{newProjectText}}
    • {{/if}}
{{#if toggleButtonDescription}}
{{toggleButtonDescription}}
{{/if}} {{#if newProjectTitle}}

{{newProjectTitle}}

{{projectNameErrorText}}

{{/if}}

LTM4659

Documentation

2
overlayclose

Filters

1 Applied

mobileoverlaydownarrow
  • All
    TickIcon
  • User Guide
  • Data Sheet
  • All
    TickIcon
  • English
resetfilter

Reset Filters

Data Sheet

1

PDF Vector

PDF

UPDATED 05/02/2024
English

LTM4659: Ultrathin, Low VIN 10A Step-Down DC/DC μModule Regulator Data Sheet (Rev.0)

Open PDF File

redirect
2.29 M
download

Download PDF

User Guide

1

PDF Vector

PDF

UPDATED 05/02/2024
English
DC3248A: LTM4659 - Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator User Guide (Rev.0) redirect icon

1.71 M

download

Download PDF

There are no results matching this criteria. Try resetting your filters or searching for a different term

close icon
Documentation

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
LTM4659EV#PBF LGA/CASON/CH ARRY SO NO LD
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTM4659IV#PBF LGA/CASON/CH ARRY SO NO LD
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

reference details image

DC3248A

Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator

zoom

DC3248A

Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator

download icon

Download

 print icon

Print
DC3248A
Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator

Features and Benefits

  • Tiny surface mount, 4mm × 4mm × 1.43mm LGA
  • Silent Switcher®2 architecture
  • Ultralow Electromagnetic Interference (EMI) noise
Buy Now View Details

Product Detail

The DC3248A evaluation board circuit features the LTM®4659, a high efficiency, 10A step-down power μModule® regulator. The input voltage range is from 2.25V to 5.5V. The output voltage range is 0.5V to VIN. Derating may be necessary for certain VIN, VOUT, frequency and thermal conditions. The DC3248A evaluation board offers the SSTT pin, allowing the user to program output tracking, soft start period and die temperature monitoring.

The MODE/SYNC pin either synchronizes the switching frequency to an external clock, is a clock output, or sets the PWM mode. It can be externally synchronized to a clock from 1MHz to 2.6MHz. The Pulse width modulation (PWM) modes of operation are Forced continuous mode (FCM) for low noise or pulse-skipping mode (PSM) for high efficiency at light load. The LTM4659 defaults to FCM during synchronization and operates in PSM when both the FREQ and MODE/SYNC pins are connected to VIN.

The LTM4659 uses external compensation. Users can tune the compensation circuit to ensure the loop is stable and that the desired transient performance can be achieved.

For output loads that demand more than 10A of current, multiple LTM4659s can be paralleled to run out-of-phase to provide more output current without increasing input and output voltage ripples.

The LTM4659 data sheet must be read in conjunction with this evaluation board manual prior to working on or modifying the DC3248A evaluation board.

Resources

pdf icon

PDF

DC3248A: LTM4659 - Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator User Guide (Rev.0) Download

1.71 M

pdf icon

ZIP

DC3248A Design Files Download

1.61 M

pdf icon

PDF

DC3248A Schematic Download

80.12 K

Show More Arrow image

Evaluation Kits1

evaluation kit item images

DC3248A

Low VIN, High Efficiency 10A Step-Down DC-to-DC μModule Regulator
Tools & Simulations

Tools & Simulations 1

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.

Recently Viewed

Part Details
Documentation
Evaluation Kit
Tools & Simulations
Latest Discussions