LTM4601
LTM4601-1

PRODUCTION

12A µModule (Power Module) Regulator with PLL, Output Tracking and Margining

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Overview

  • Complete Switch Mode Power Supply
  • Wide Input Voltage Range: 4.5V to 20V
  • 12A DC Typical, 14A Peak Output Current
  • 0.6V to 5V Output Voltage
  • Output Voltage Tracking and Margining
  • Parallel Multiple μModule Regulators for Current Sharing
  • Differential Remote Sensing for Precision Regulation (LTM4601 Only)
  • PLL Frequency Synchronization
  • ±1.5% Regulation
  • Current Foldback Protection (Disabled at Start-Up)
  • SnPb or RoHS Compliant Finish
  • UltraFast™ Transient Response
  • Current Mode Control
  • Up to 95% Efficiency at 5VIN, 3.3VOUT
  • Programmable Soft-Start
  • Output Overvoltage Protection
  • Small Footprint, Low Profile (15mm × 15mm × 2.82mm) Surface Mount LGA and (15mm × 15mm × 3.42mm) BGA Packages
LTM4601
LTM4601-1
12A µModule (Power Module) Regulator with PLL, Output Tracking and Margining
1.5V/12A Power Supply with 4.5V to 20V Input Efficiency and Power Loss vs Load Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

User Guide 5

Application Note 3

Design Note 1

Technical Articles 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
Hot Swap Controllers 1
LTC4364
RECOMMENDED FOR NEW DESIGNS Surge Stopper with Ideal Diode
Oscillators 1
LTC6908
Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
Power System Management (PSM) & Sequencers 1
LTC2974
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Switching Regulators & Controllers 1
LTM4620A
PRODUCTION Dual 13A or Single 26A DC/DC μModule (Power Module) Regulator
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Tools & Simulations

LTspice 4

Models for the following parts are available in LTspice:

  • LTM4601
  • LTM4601-1
  • LTM4601A
  • LTM4601A-1
  • LTM4601AHV
  • LTM4601HV
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
DC1118A-A

LTM4601EV Demo Board | LTM4601(x2), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A

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Product Details

Demonstration circuit 1118A-A features two independent LTM4601EV high efficiency, high density switch mode step-down power modules. The input voltage range is from 5V to 20V. The output voltages are 3.3V and 2.5V; refer to step down ratio curve in the LTM4601 datasheet. The rated load currents are 10A for the 3.3V output and 12A for the 2.5V output, while derating is necessary for certain VIN and thermal conditions. The output of U2 is set to coincidentally track with the 3.3V output. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed.


 


eval board
schematic 2
DC1041A-A

LTM4601 Demo Board | 4.5V ≤ VIN ≤ 20V, VOUT = 0.6V to 5V @ 12A

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Product Details

Demonstration circuit DC1041A-A features the LTM4601EV, a 12A high efficiency, high density switch mode step-down converter. The input voltage range is from 4.5V to 20V. The output voltage is jumper selectable for popular voltages from 0.6V to 5V. The PLLIN pin supports synchronizing the μModule® regulator to an external clock. The TRACK/SS pin allows the user to program output ramp-up and ramp-down rates which may coincidentally or ratiometrically track with another supply’s output if desired. Output voltage margining of ±5% from the nominal value is available via the margin control pins MARG0 and MARG1.

eval board
schematic 3
DC1043A-C

LTM4601 Demo Board | LTM4601(×4), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 40A

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Product Details

Demonstration circuit DC1043A-C features four LTM4601EV high efficiency, high density switch mode step-down power modules in parallel (the LTM4601-1 can be substituted for the slave devices). The input voltage range is from 5.0V to 20V. The output voltage is programmable from 0.6V to 3.3V; refer to step down ratio curve in the LTM4601 datasheet. The rated load current is 40A, while de-rating is necessary for certain VIN, VOUT, and thermal conditions. Master module U1 provides differential remote sensing to accurately regulate output voltage independent of load current. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed externally.

eval board
schematic 4
DC1118A-C

LTM4601EV Demo Board | LTM4601(x4), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A, VOUT4 = 1.5V @ 12A

Buy Now View Details

Product Details

Demonstration circuit 1118A-C features four independent LTM4601EV high efficiency, high density switch mode step-down power modules. The input voltage range is from 5V to 20V. The output voltages are 3.3V, 2.5V,1.8V and 1.5V; refer to step down ratio curve in the LTM4601 datasheet. The rated load currents are 10A for the 3.3V output, and 12A for the 2.5V, 1.8V and 1.5V outputs, while derating is necessary for certain VIN and thermal conditions. The output of U2 is set to coincidentally track with the 3.3V output. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing. Integrated input and output filters enable a simple PCB layout; only bulk input and output capacitors are needed.


 


eval board
schematic 5
DC1118A-B

LTM4601EV Demo Board | LTM4601(x3), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A

Buy Now View Details

Product Details

Demonstration circuit 1118A-B features three independent LTM4601EV high efficiency, high density switch mode step-down power modules. The input voltage range is from 5V to 20V. The output voltages are 3.3V, 2.5V and 1.8V; refer to step down ratio curve in the LTM4601 datasheet. The rated load currents are 10A for the 3.3V output, 12A for the 2.5V output and 12A for the 1.8V output, while derating is necessary for certain VIN and thermal conditions. The output of U2 is set to coincidentally track with the 3.3V output. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing. Integrated input and output filters enable a simple PCB layout; only bulk input and output capacitors are needed.

eval board
schematic 6
DC1043A-B

LTM4601 Demo Board | LTM4601(×3), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 30A

Buy Now View Details

Product Details

Demonstration circuit DC1043A-B features three LTM4601EV high efficiency, high density switch mode step-down power modules in parallel (the LTM4601-1 can be substituted for the slave devices). The input voltage range is from 5.0V to 20V. The output voltage is programmable from 0.6V to 3.3V; refer to step down ratio curve in the LTM4601 datasheet. The rated load current is 30A, while de-rating is necessary for certain VIN, VOUT, and thermal conditions. Master module U1 provides differential remote sensing to accurately regulate output voltage independent of load current. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed externally.

eval board
schematic 7
DC1043A-A

LTM4601 Demo Board | LTM4601(×2), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 20A

Buy Now View Details

Product Details

Demonstration circuit DC1043A-A features the LTM4601EV and LTM4601-1EV, the high efficiency, high density switch mode step-down power modules. The input voltage range is from 5.0V to 20V. The output voltage is programmable from 0.6V to 3.3V; refer to step down ratio curve in the LTM4601 datasheet. The rated load current is 20A, while de-rating is necessary for certain VIN, VOUT, and thermal conditions. 24A load current can be achieved by applying forced airflow convection or attaching heatsinks. Master module U1 provides differential remote sensing to accurately regulate output voltage independent of load current. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed externally. The DC1043A-A has on-board 180 degree interleaving clock generator.
DC1118A-A
LTM4601EV Demo Board | LTM4601(x2), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A
DC1118A-A - Schematic
DC1041A-A
LTM4601 Demo Board | 4.5V ≤ VIN ≤ 20V, VOUT = 0.6V to 5V @ 12A
DC1041A-A - Schematic
DC1043A-C
LTM4601 Demo Board | LTM4601(×4), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 40A
DC1043A-A - Schematic
DC1118A-C
LTM4601EV Demo Board | LTM4601(x4), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A, VOUT4 = 1.5V @ 12A
DC1118A-C - Schematic
DC1118A-B
LTM4601EV Demo Board | LTM4601(x3), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A
DC1118A-B - Schematic
DC1043A-B
LTM4601 Demo Board | LTM4601(×3), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 30A
DC1043A-A - Schematic
DC1043A-A
LTM4601 Demo Board | LTM4601(×2), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 20A
DC1043A-A - Schematic

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Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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Latest Discussions

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scratches under the balls
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Question about LTM4601
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What is the difference between LTM4601A and LTM4601?
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