LTM4602HV

PRODUCTION

6A, 28VIN High Efficiency DC/DC µModule (Power Module)

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Overview

  • Complete Switch Mode Power Supply
  • Wide Input Voltage Range: 4.5V to 28V
  • 6A DC, Typical 8A Peak Output Current
  • 0.6V to 5V Output Voltage
  • 1.5% Output Voltage Regulation
  • Ultrafast Transient Response
  • Parallel µModule™ DC/DC Converters
  • Current Mode Control
  • Pin Compatible with the LTM4600 and LTM4602
  • Up to 92% Efficiency
  • Programmable Soft-Start
  • Output Overvoltage Protection
  • Optional Short-Circuit Shutdown Timer
  • Pb-Free (e4) RoHS Compliant Package with Gold-Pad Finish
  • Small Footprint, Low Profile (15mm × 15mm × 2.8mm) LGA Package

The LTM4602HV is a complete 6A, DC/DC step down power supply with up to 28V input operation. Included in the package are the switching controller, power FETs, inductor, and all support components. Operating over an input voltage range of 4.5V to 28V, the LTM4602HV supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 6A continuous current (8A peak), needing no heat sinks or airflow to meet power specifications. Only bulk input and output capacitors are needed to finish the design.

The low profile package (2.8mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching frequency and an adaptive on-time current mode architecture enables a very fast transient response to line and load changes without sacrificing stability. Fault protection features include integrated overvoltage and short circuit protection with a defeatable shutdown timer. A built-in soft-start timer is adjustable with a small capacitor.

The LTM4602HV is packaged in a thermally enhanced, compact (15mm × 15mm) and low profile (2.8mm) over-molded Land Grid Array (LGA) package suitable for automated assembly by standard surface mount equipment. For the 4.5V to 20V input range version, refer to the LTM4602.

Applications

  • Telecom and Networking Equipment
  • Servers
  • Industrial Equipment
  • Point of Load Regulation
LTM4602HV
6A, 28VIN High Efficiency DC/DC µModule (Power Module)
6A µModule Power Supply with 4.5V to 28V Input Efficiency vs Load Current with 24VIN (FCB = 0) Product Package 1
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Documentation

Data Sheet 1

User Guide 1

Data Sheet

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

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Circuit Monitors 1
LTC2960
RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
Power System Management (PSM) & Sequencers 1
LTC2974
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Protection Switches & Controllers 1
LTC4364
RECOMMENDED FOR NEW DESIGNS Surge Stopper with Ideal Diode
Switching Regulators & Controllers 1
LTC3880
RECOMMENDED FOR NEW DESIGNS Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTM4602
  • LTM4602HV
LTspice

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

eval board
schematic 1
DC1084A-B

LTM4602HVEV | µModule Demo Board

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Product Details

Demonstration circuit DC1084A-B features the LTM4602HV, the high efficiency, high density step-down μModule® regulator. The input voltage range is from 4.5V to 28V. The output voltage is jumper programmable from 0.6V to 5V, refer to the step-down ratio curve in the LTM4602HV data sheet. The rated load current is 6A, while derating is necessary for certain VIN, VOUT and thermal conditions.
DC1084A-B
LTM4602HVEV | µModule Demo Board
DC1084A-B - Schematic

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