LTM4605

RECOMMENDED FOR NEW DESIGNS

High Efficiency Buck-Boost DC/DC μModule (Power Module) Regulator

Data Sheet (Rev. E) Product Selection Table
Part Models
2
1ku List Price
Starting From $22.13
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Part Details

  • Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT
  • Wide VIN Range: 4.5V to 20V
  • Wide VOUT Range: 0.8V to 16V
  • 5A DC Typical (12A DC Typical at Buck Mode)
  • High Efficiency Up to 98%
  • Current Mode Control
  • Power Good Output Signal
  • Phase-Lockable Fixed Frequency: 200kHz to 400kHz
  • Ultrafast Transient Response
  • Current Foldback Protection
  • Output Overvoltage Protection
  • Small, Low Profile Surface Mount LGA Package (15mm × 15mm × 2.8mm)
LTM4605
High Efficiency Buck-Boost DC/DC μModule (Power Module) Regulator
12V/5A Buck-Boost DC/DC μModule Regulator with 4.5V to 20V Input Efficiency and Power Loss vs Input Voltage Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Application Note 1

Design Note 1

Technical Articles 3

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
LTC2974
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
PowerPath, Ideal Diodes, and Load Switches 1
LTC4359
RECOMMENDED FOR NEW DESIGNS Ideal Diode Controller with Reverse Input Protection
SEPIC Regulators 1
LTM8045
RECOMMENDED FOR NEW DESIGNS Inverting or SEPIC μModule (Power Module) DC/DC Converter with Up to 700mA Output Current
Silicon Oscillators 1
LTC6908
Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTM4605

LTpowerCAD 1

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.

LTpowerCAD

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

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC1198B-A

LTM4605EV Demo Board | 4.5V to 20VIN, 12VOUT @ 5A

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Product Details

Demonstration circuit DC1198B-A features the LTM4605EV, the high efficiency, high density switch mode buck-boost μModule® regulator. The LTM4605EV can regulate its output voltage from an input voltage above, below, or equal to the output. The input voltage range of DC1198B-A is from 4.5V to 20V with a preset output voltage of 12V. The rated load current is 5A, although derating is necessary for certain VIN, VOUT, and thermal conditions. The switching frequency may be synchronized to an external clock from 200kHz to 400kHz. This PLL can be used not only to reduce undesirable frequency harmonics but also to parallel LTM4605 to provide high output current.
DC1198B-A
LTM4605EV Demo Board | 4.5V to 20VIN, 12VOUT @ 5A
DC1198B-A Demo Board DC1198B-A Demo Board DC1198B-A Demo Board DC1198B-A Demo Board DC1198B-B - Schematic

Latest Discussions

3 Years Ago
RE: About the thermal resistance of LTM4605
6 Years Ago
RE: Pin(pad) material of LTM4605
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