LTM4607

RECOMMENDED FOR NEW DESIGNS

36VIN, 24VOUT High Efficiency Buck-Boost DC/DC µModule (Power Module)

Data Sheet (Rev. D) Product Selection Table
Part Models
2
1ku List Price
Starting From $25.37
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Part Details

  • Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT
  • Wide VIN Range: 4.5V to 36V
  • Wide VOUT Range: 0.8V to 24V
  • 5A DC (10A DC in 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)
LTM4607
36VIN, 24VOUT High Efficiency Buck-Boost DC/DC µModule (Power Module)
20V/2.5A Buck-Boost DC/DC μModule Regulator with 4.5V to 36V Input Efficiency and Power Loss vs Input Voltage Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Application Note 1

Design Note 2

Technical Articles 4

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Hardware Ecosystem

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Silicon Oscillators 1
LTC6908
Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTM4607

LTpowerCAD 3

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
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DC1601B-A

LTM4607EV Demo Board | LTM4607(x2) Buck-Boost uModule, 6V ≤ VIN ≤ 36V, VOUT = 12V @ 10A

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Product Details

Demonstration circuit DC1601B is a PolyPhase® power supply featuring the LTM4607 power module, a complete high efficiency switching mode buck-boost power supply. The DC1601B input voltage range is from 6V to 36V and is capable of delivering high power through paralleled LTM4607 modules. The demo circuit can deliver up to 10A of output current for two paralleled modules (DC1601B-A). The DC1601B demonstrates that paralleling modules is easy and reliable. The output voltage for the board is 12V. The rated load current per module is 5A in boost mode, however current derating may be necessary under certain VIN, VOUT, frequency, and thermal conditions. An onboard external clock is provided for synchronization and interleaving of phases to minimize input and output ripple. An internal phase-locked loop allows the LTM4607 to be synchronized to an external clock within the range of 200kHz to 400kHz. The LTM4607 default switching frequency on the DC1601B is set to 300kHz through the onboard LTC6902 clock generator which interleaves the paralleled phases.

eval board
schematic 6
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schematic 8
schematic 9
schematic 10
DC1198B-B

LTM4607EV Demob Board | 6-36VIN to 12V, 5A High Efficiency Buck-Boost DC/DC µModule Regulator

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Product Details

Demonstration circuit DC1198B-B features the LTM4607EV, a high efficiency, high density switch mode buck-boost power module. The LTM4607EV can regulate its output voltage from input voltage both above and below the output. The board accepts an input voltage from 6V to 36V and is set for an output voltage of 12V. The rated load current is 5A in boost mode and 12A in step-down operation. Derating is necessary for certain VIN, VOUT and thermal conditions. The switching frequency can be synchronized to external clock operating from 200kHz to 400kHz. This clock input can be used to reduce undesirable frequency harmonics and reduce input and output ripple when paralleling LTM4607 modules for even higher output current.

eval board
schematic 11
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schematic 13
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schematic 16
DC1601B-C

LTM4607EV Demo Board | LTM4607(x4) Buck-Boost uModule, 6V ≤ VIN ≤ 36V, VOUT = 12V @ 20A

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Product Details

Demonstration circuit DC1601B is a PolyPhase® power supply featuring the LTM4607 power module, a complete high efficiency switching mode buck-boost power supply. The DC1601B input voltage range is from 6V to 36V and is capable of delivering up to 20A using four paralleled modules (DC1601B-C). The DC1601B demonstrates that paralleling modules is easy and reliable. The output voltage for the board is 12V. The rated load current per module is 5A in boost mode, however current derating may be necessary under certain VIN, VOUT, frequency, and thermal conditions. An onboard external clock is provided for synchronization and interleaving of phases to minimize input and output ripple. An internal phase-locked loop allows the LTM4607 to be synchronized to an external clock within the range of 200kHz to 400kHz. The LTM4607 default switching frequency on the DC1601B is set to 300kHz through the onboard LTC6902 clock generator which interleaves the paralleled phases.
DC1601B-A
LTM4607EV Demo Board | LTM4607(x2) Buck-Boost uModule, 6V ≤ VIN ≤ 36V, VOUT = 12V @ 10A
DC1601B-A Demo Board DC1601B-A Demo Board DC1601B-A Demo Board DC1601B-A Demo Board DC1601B-C - Schematic
DC1198B-B
LTM4607EV Demob Board | 6-36VIN to 12V, 5A High Efficiency Buck-Boost DC/DC µModule Regulator
DC1198B-B Demo Board DC1198B-B Demo Board DC1198B-B Demo Board DC1198B-B Demo Board DC1198B-B - Schematic
DC1601B-C
LTM4607EV Demo Board | LTM4607(x4) Buck-Boost uModule, 6V ≤ VIN ≤ 36V, VOUT = 12V @ 20A
DC1601B-C Demo Board DC1601B-C Demo Board DC1601B-C Demo Board DC1601B-C Demo Board DC1601B-C Demo Board DC1601B-C - Schematic

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RE: LTM4607
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