LTM4630
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LTM4630

Dual 18A or Single 36A DC/DC μModule (Power Module) Regulator

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file View Data Sheet (Rev.A)
Documentation View All Documentation
LTspice LTM4630 Demo Circuit - High Efficiency 6-Phase 80A Step-Down Regulator (11-13V to 0.95V @ 80A) Download 6.00KB LTspice LTM4630 Demo Circuit - High Efficiency Single 36A Step-Down Regulator (4.5-15V to 1V @ 36A) Download 3.00KB LTspice LTM4630 Demo Circuit - Dual Step-Down μModule Regulator with Output Tracking (4.5-15V to 1.5 V @ 18A & 1.0V @ 18A) Download 5.00KB LTspice LTM4630 Demo Circuit - High Efficiency 6-Phase 105A Step-Down Regulator (4.5-15V to 1V @ 105A) Download 6.00KB LTspice LTM4676/LTM4630 Demo Circuit - High Current, Parallel µModule Buck Regulators with Power System Management (4.5-16V to 1V @130A) Download 15.00KB LTspice LTM4630 Demo Circuit - High Efficiency 8-Phase 140A Step-Down Regulator (4.5-15V to 1V @ 140A) Download 7.00KB LTspice LTM4630 - ?Module Regulators Download 3.7 KB
Part Models 5
1ku List Price Starting From $41.26
Features
  • Dual 18A or Single 36A Output
  • Wide Input Voltage Range: 4.5V to 15V
  • Output Voltage Range: 0.6V to 1.8V
  • ±1.5% Maximum Total DC Output Error Over Line, Load and Temperature
  • Differential Remote Sense Amplifier
  • Current Mode Control/Fast Transient Response
  • Adjustable Switching Frequency
  • Overcurrent Foldback Protection
  • Multiphase Parallel Current Sharing with Multiple LTM4630s Up to 144A
  • Frequency Synchronization
  • Internal Temperature Monitor
  • Pin Compatible with the LTM4620 and LTM4620A (Dual 13A, Single 26A) and LTM4628 (Dual 8A, Single 16A)
  • Selectable Burst Mode® Operation
  • Soft-Start/Voltage Tracking
  • Output Overvoltage Protection
  • 16mm × 16mm × 4.41mm LGA and 16mm × 16mm × 5.01mm BGA Packages
Additional Details
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The LTM4630 is a dual 18A or single 36A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controllers, power FETs, inductors, and all supporting components. Operating from an input voltage range of 4.5V to 15V, the LTM4630 supports two outputs each with an output voltage range of 0.6V to 1.8V, each set by a single external resistor. Its high efficiency design delivers up to 18A continuous current for each output. Only a few input and output capacitors are needed. The LTM4630 is pin compatible with the LTM4620 and LTM4620A (dual 13A, single 26A) and the LTM4628 (dual 8A, single 16A).

The device supports frequency synchronization, multiphase operation, Burst Mode operation and output voltage tracking for supply rail sequencing and has an onboard temperature diode for device temperature monitoring. High switching frequency and a current mode architecture enable a very fast transient response to line and load changes without sacrificing stability.

Fault protection features include overvoltage and overcurrent protection. The LTM4630 is offered in 16mm × 16mm × 4.41mm LGA and 16mm × 16mm × 5.01mm BGA packages. The LTM4630 is ROHS compliant.

 


 Features Vout
LTM4630
0.6V to 1.8V
LTM4630-1 0.8% DC and 3% Transient Accuracy 0.6V to 1.8V
LTM4630A Higher Light Load Efficiency 0.6V to 5.3V


Applications

  • Telecom and Networking Equipment
  • Storage and ATCA Cards
  • Industrial Equipment

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file View Data Sheet (Rev.A)
Documentation View All Documentation
LTspice LTM4630 Demo Circuit - High Efficiency 6-Phase 80A Step-Down Regulator (11-13V to 0.95V @ 80A) Download 6.00KB LTspice LTM4630 Demo Circuit - High Efficiency Single 36A Step-Down Regulator (4.5-15V to 1V @ 36A) Download 3.00KB LTspice LTM4630 Demo Circuit - Dual Step-Down μModule Regulator with Output Tracking (4.5-15V to 1.5 V @ 18A & 1.0V @ 18A) Download 5.00KB LTspice LTM4630 Demo Circuit - High Efficiency 6-Phase 105A Step-Down Regulator (4.5-15V to 1V @ 105A) Download 6.00KB LTspice LTM4676/LTM4630 Demo Circuit - High Current, Parallel µModule Buck Regulators with Power System Management (4.5-16V to 1V @130A) Download 15.00KB LTspice LTM4630 Demo Circuit - High Efficiency 8-Phase 140A Step-Down Regulator (4.5-15V to 1V @ 140A) Download 7.00KB LTspice LTM4630 - ?Module Regulators Download 3.7 KB
Part Models 5
1ku List Price Starting From $41.26
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LTM4630

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Data Sheet

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UPDATED 02/02/2024
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LTM4630: Dual 18A or Single 36A DC/DC μModule Regulator Data Sheet (Rev.A)

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UPDATED 10/10/2013
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LTM4630: デュアル18Aまたはシングル36A DC/DC μModuleレギュレータ データシート

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User Guide

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Documentation

Documentation

Technical Documents 9
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μModule Power Products
SnPb (Tin-Lead) BGA Packages μModule Power Products

Webcast 1

Component on Package uModule DC/DC Regulators - Less Heat, More Power

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2018-05-30

04:40

Dynamically adjust Xilinx FPGA Transceiver power supply 1V±0.25%

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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
LTM4630EV#PBF 144-Lead LGA (16mm x 16mm x 4.41mm) external-link
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LTM4630EY#PBF 144-Lead BGA (16mm x 16mm x 5.01mm) external-link
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LTM4630IV#PBF 144-Lead LGA (16mm x 16mm x 4.41mm) external-link
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LTM4630IY 144-Lead BGA (16mm x 16mm x 5.01mm) external-link
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Jul 28, 2021

- 20_0245

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

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Jul 21, 2021

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Feb 5, 2020

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Jul 25, 2019

- 19_0115

Notification of Additional Assembly Location, ASE Korea for LTM4630 and LTM4630A

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Jul 22, 2019

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Notification of qualification of a new mold compound for the LTM4630 µModule Regulator 

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Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTM4630EV#PBF

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Jul 21, 2021

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Ink Mark to Laser Mark Conversion for µModule

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Feb 28, 2020

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Feb 5, 2020

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Supplier Material Change for µModule

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Jul 25, 2019

- 19_0115

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Notification of Additional Assembly Location, ASE Korea for LTM4630 and LTM4630A

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Jul 22, 2019

- 19_0164

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Notification of qualification of a new mold compound for the LTM4630 µModule Regulator 

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Software & Part Ecosystem

Software & Part Ecosystem

Parts Product Life Cycle Description

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Dual 13A or Single 26A μModule (Power Module) Regulator with Digital Power System Management

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Dual 25A or Single 50A DC/DC μModule Regulator

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8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement

Multiple Output Buck Regulators1
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RECOMMENDED FOR NEW DESIGNS

Triple 10A Step-Down DC/DC μModule (Power Module) Regulator

Parts Product Life Cycle Description
LTM4630-1
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RECOMMENDED FOR NEW DESIGNS

Dual 18A or Single 36A μModule (Power Module) Regulator with 0.8% DC and 3% Transient Accuracy

LTM4630A
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Cart

RECOMMENDED FOR NEW DESIGNS

Dual 18A or Single 36A DC/DC μModule Regulator

Evaluation Kit

Evaluation Kits 6

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DC2007A-B

LTM4630 Demo Board | 105A Polyphase Step-Down (3x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 105A

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DC2007A-B

LTM4630 Demo Board | 105A Polyphase Step-Down (3x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 105A

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DC2007A-B
LTM4630 Demo Board | 105A Polyphase Step-Down (3x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 105A
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Product Detail

Demonstration circuit 2007A-B features a PolyPhase® design using the LTM4630EV, the high efficiency, high density, dual 18A, switch mode step-down power μModule® regulator. The input voltage is from 4.5V to 15V. The output voltage is jumper selectable from 0.9V to 1.8V. The DC2007A-B can deliver a nominal 105A output current. As explained in the data sheet, output current derating is necessary for certain VIN, VOUT, and thermal conditions. The LTM4630 on DC2007A-B always operates in continuous conduction mode. The switching frequency can be programmed through a resistor or can be synchronized to an external clock signal.

Resources

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PDF

DC2007A - Schematic Download

227.00K

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DC2007A-B - Demo Manual Download

1.00M

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DC2007A-B - Design Files Download

6.00M

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DC2106B-B

LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A

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DC2106B-B

LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A

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DC2106B-B
LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A
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Product Detail

Demonstration circuit 2106B-B is a high efficiency, high density, paralleled, multi-chip μModule regulator solution with a 4.5V to 16V input range and 130A  of output current. The output voltage (1V default value) is adjustable from 0.5V to 1.8V. The demo board has 1× LTM4676A acting as the master controller, and 3× LTM4630 μModule slave controllers. All devices having their outputs paralleled to provide 130A of current. Please see the LTM4676A and LTM4630 data sheets for more detailed information.

Resources

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PDF

DC2106B-B - Schematic Download

175.00K

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DC2106B-B - Design Files Download

2.00M

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DC2106B-B - Demo Manual Download

1.00M

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DC2007A-A

LTM4630 Demo Board | 70A Polyphase Step-Down (2x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 70A

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DC2007A-A

LTM4630 Demo Board | 70A Polyphase Step-Down (2x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 70A

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DC2007A-A
LTM4630 Demo Board | 70A Polyphase Step-Down (2x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 70A
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Product Detail

Demonstration Circuit 2007A-A features a PolyPhase® design using the LTM4630EV, the high efficiency, high density, dual 18A, switch mode step-down power μModule® regulator. The input voltage is from 4.5V to 15V. The output voltage is jumper selectable from 0.9V to 1.8V. The DC2007A-A can deliver a nominal 70A output current. As explained in the data sheet, output current derating is necessary for certain VIN, VOUT, and thermal conditions. The LTM4630 on the DC2007A-A always operates in continuous conduction mode. The switching frequency can be programmed through a resistor or can be synchronized to an external clock signal. The board allows the user to program how its output voltage ramps up and down through the TRACK pin.


 


Resources

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PDF

DC2007A - Schematic Download

227.00K

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DC2007A-A - Demo Manual Download

1.00M

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DC2007A-A - Design Files Download

6.00M

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DC1892A

LTM4630 Demo Board | Dual Buck µModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT1 = 1.5V @ 18A, VOUT2 = 1.0V @ 18A

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DC1892A

LTM4630 Demo Board | Dual Buck µModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT1 = 1.5V @ 18A, VOUT2 = 1.0V @ 18A

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DC1892A
LTM4630 Demo Board | Dual Buck µModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT1 = 1.5V @ 18A, VOUT2 = 1.0V @ 18A
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Product Detail

Demonstration circuit 1892A features the LTM4630EV, the high efficiency, high density, dual 18A, switch mode step-down power module regulator. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. DC1892A can deliver up to 18A maximum in each channel. As explained in the LTM4630 data sheet, output current derating is necessary for certain VIN, VOUT and thermal conditions. The board operates in continuous conduction mode in heavy load conditions. For high efficiency at low load currents, the MODE jumper (JP1) selects pulse-skipping mode for noise-sensitive applications or Burst Mode® operation in less noise-sensitive applications.

Resources

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DC1892A - Design Files Download

1.00M

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DC1892A - Schematic Download

106.00K

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DC1892A - Demo Manual Download

1.00M

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DC2007A-C

LTM4630 Demo Board | 140A Polyphase Step-Down (4x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 140A

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DC2007A-C

LTM4630 Demo Board | 140A Polyphase Step-Down (4x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 140A

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DC2007A-C
LTM4630 Demo Board | 140A Polyphase Step-Down (4x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 140A
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Product Detail

Demonstration circuit 2007A-C features a PolyPhase® design using the LTM4630EV, the high efficiency, high density, dual 18A, switch mode step-down power μModule® regulator. The input voltage is from 4.5V to 15V. The output voltage is jumper selectable from 0.9V to 1.8V. The DC2007A-C can deliver a nominal 140A output current. As explained in the data sheet, output current derating is necessary for certain VIN, VOUT, and thermal conditions. The LTM4630 on the DC2007A-C always operates in continuous conduction mode. The switching frequency can be programmed through a resistor or can be synchronized to an external clock signal. The board allows the user to program how its output voltage ramps up and down through the TRACK pin.


 


Resources

pdf icon

PDF

DC2007A - Schematic Download

227.00K

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PDF

DC2007A-C - Demo Manual Download

1.00M

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DC2007A-C - Design File Download

7.00M

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DC2081A-A

LTM4630EV Demo Board | Step-Down μModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT = 1V @ 36A

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DC2081A-A

LTM4630EV Demo Board | Step-Down μModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT = 1V @ 36A

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DC2081A-A
LTM4630EV Demo Board | Step-Down μModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT = 1V @ 36A
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Product Detail

Demonstration circuit 2081A-A features the LTM4630EV, the high efficiency, high density, dual 18A, switch mode step-down μModule® regulator. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. DC2081A-A is configured as dual-phase, single-output, which can deliver up to 36A maximum. The board designs with minimum components to demonstrate this high efficiency, high density μModule. As explained in the data sheet, output current de-rating is necessary for certain VIN, VOUT, and thermal conditions.

Resources

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PDF

DC2081A-A - Demo Manual Download

798.00K

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ZIP

DC2081A - Design Files Download

1.00M

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DC2081A-A - Schematic Download

57.00K

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Evaluation Kits6

evaluation kit item images

DC2007A-B

LTM4630 Demo Board | 105A Polyphase Step-Down (3x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 105A
evaluation kit item images

DC2106B-B

LTM4676AEY/LTM4630EV Demo Board | PMBus Buck µModule (LTM4676A) + LTM4630 (x3), 4.5V ≤ VIN ≤ 16V, VOUT = 0.5V to 1.8V @ 130A
evaluation kit item images

DC2007A-A

LTM4630 Demo Board | 70A Polyphase Step-Down (2x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 70A
evaluation kit item images

DC1892A

LTM4630 Demo Board | Dual Buck µModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT1 = 1.5V @ 18A, VOUT2 = 1.0V @ 18A
evaluation kit item images

DC2007A-C

LTM4630 Demo Board | 140A Polyphase Step-Down (4x LTM4630), 4.5V ≤ VIN ≤ 15V, VOUT = 0.9V to 1.8V @ 140A
evaluation kit item images

DC2081A-A

LTM4630EV Demo Board | Step-Down μModule Regulator, 4.5V ≤ VIN ≤ 15V, VOUT = 1V @ 36A
Tools & Simulations

Tools & Simulations 2

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.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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