MAX38908
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MAX38908

4A High-Performance LDO Linear Regulators

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Fast Transient Response, High PSRR NMOS Linear Regulators that Deliver up to 4A Load Current

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
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LTspice MAX38908 - LDO Linear Regulators Download 1.49 KB
Part Models 4
1ku List Price Starting From $3.48
Features
  • Delivers Flexible Operating Range
    • 0.9V to 5.5V Input Voltage Range
    • 2.7V to 20V BIAS Voltage Range
    • 0.6V to 5.0V Programmable Output Voltage
    • 4A Maximum Output Current
    • 51mV Dropout at 4A Load Current
    • 1.6mA Operating BIAS Supply Current
  • Reduces Noise and Improves Accuracy
    • ±1% DC Accuracy Over Load, Line, and Temperature
    • 28mV 4A Load Transient Excursion
    • 78dB BIAS PSRR at 10kHz
    • 52dB IN PSRR at 10kHz at 300mV Input-to-Output Headroom
  • Enables Ease-of-Use and Robust Protection
    • Stable with 10µF (Minimum) Output Capacitance
    • Programmable Soft-Start Rate
    • Overcurrent and Overtemperature Protection
    • Output-to-Input Reverse Current Protection
    • Power-OK Status Pin
  • Reduces Size, Improves Reliability
    • 14-pin (3mm x 3mm) TDFN, 20-pin (5mm x 5mm) TQFN, and 5 x 3 Bump, 0.4mm Pitch WLP Packages
    • -40°C to 125°C Operating Temperature
Additional Details
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The MAX38907/MAX38908 are fast transient response, high-PSRR nMOS linear regulators that deliver up to 4A load current.

These regulators support a wide input supply range from 0.9V up to 5.5V, and BIAS voltage range from 2.7V to 20V to provide wider supply options in a variety of applications. Output accuracy of ±1% is maintained over line, load, and temperature variations, requiring only 300mV of input-to-output headroom at full load for a good PSRR. The output voltage can be adjusted to a value in the range of 0.6V to 5.0V to accommodate customers that desire to specify a single LDO in the BOM for multiple voltage rails.

The MAX38907 is configurable to one of 27 output voltages using three digital configuration pins. Additionally, each output voltage selection can be adjusted ±5% for margining. The output voltage on the MAX38908 can be adjusted to a value in the range of 0.6V to 5.0V by using two external feedback resistors. These LDOs are fully protected from damage by internal circuitry that provides programmable inrush current limiting, output overcurrent limiting, reverse-current limiting, and thermal overload protection.

The MAX38907 is offered in a 20-pin, 5mm x 5mm TQFN package, while the MAX38908 is offered in 5 x 3 bump, 0.4mm pitch WLP and 14-pin, 3mm x 3mm TDFN packages.

Applications

  • Base Stations
  • FPGAs and DSPs
  • Medical, Audio, and Instrumentation
  • PLCs
  • Portable Cameras
  • Server μPs
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LTspice MAX38908 - LDO Linear Regulators Download 1.49 KB
Part Models 4
1ku List Price Starting From $3.48
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MAX38908

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UPDATED 01/05/2021
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MAX38907-MAX38908: 4A High-Performance LDO Linear Regulators Data Sheet (Rev.2)

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UPDATED 05/05/2022
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LDO Linear Regulators Paralleling with MAX38908 for High Current Applications redirect icon

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UPDATED 04/05/2021
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Measuring the output current of the MAX38908 Linear Regulator redirect icon

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UPDATED 01/06/2022
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MAX38908を使用したLDOリニアレギュレータの並列接続によって大電流アプリケーションに対応 redirect icon

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Documentation

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2022-10-04

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Introduction to the MAX38907 MAX38908 MAX38909 2A/4A High Performance LDO Linear Regulator

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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.

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MAX38908ATD+ Thin Dual Flatpack No Leads external-link
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Jan 20, 2021

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 3

MAX38907EVK

Evaluation Kit for the MAX38907

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MAX38907EVK

Evaluation Kit for the MAX38907

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MAX38907EVK
Evaluation Kit for the MAX38907

Features and Benefits

  • Evaluates the MAX38907 IC in a 20-Pin (5mm x 5mm) TQFN
  • 0.9V to 5.5V Input Range
  • 2.7V to 20V Bias Voltage to Provide Wider Supply Options
  • 0.6V to 5.0V Jumper Selectable Output Voltage
  • Up to 4A Output Current
  • Proven 4-Layer 1-oz Copper PCB Layout
  • Demonstrates Compact Solution Size
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX38907 TQFN evaluation kit (EV kit) evaluates the MAX38907 in a TQFN package. The MAX38907 is a low input voltage, high output current linear regulator. The EV kit operates over an input range of 0.9V to 5.5V and a bias voltage range from 2.7V to 20V. The EV kit provides a jumper selectable output voltage range from 0.6V to 5.0V. Additionally, each output voltage selection can be adjusted ±5% for margining. The EV kit can deliver up to 4A of current.

Applications

  • Base Stations
  • FPGAs and DSPs
  • Medical, Audio, and Instrumentation
  • PLCs
  • Portable Cameras
  • Server μPs

MAX38908EVK-TDFN

Evaluation Kit for the MAX38908

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MAX38908EVK-TDFN

Evaluation Kit for the MAX38908

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MAX38908EVK-TDFN
Evaluation Kit for the MAX38908

Features and Benefits

  • Evaluates the MAX38908 IC in a 14-pin (3mm x 3mm) TDFN
  • 0.9V to 5.5V Input Range
  • 2.7V to 20V Bias Voltage to Provide Wider Supply Options
  • 0.6V to 5.0V Resistor Configurable Output Voltage (Default Output Set to 1V)
  • Up to 4A Output Current
  • Proven 4-Layer 1-oz Copper PCB Layout
  • Demonstrates Compact Solution Size
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX38908 TDFN evaluation kit (EV kit) evaluates the MAX38908 in a TDFN package. The MAX38908 is a low input voltage, high output current linear regulator. The EV kit operates over an input range of 0.9V to 5.5V and a bias voltage range from 2.7V to 20V. The EV kit provides a resistor configurable output voltage range from 0.6V to 5.0V. The EV kit can deliver up to 4A of current.

Applications

  • Base Stations
  • FPGAs and DSPs
  • Medical, Audio, and Instrumentation
  • PLCs
  • Portable Cameras
  • Server μPs

Resources

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MAX38908EVK-TDFN ODB File - Design Files Download

951.86 K

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MAX38908EVK-WLP

Evaluation Kit for the MAX38908

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MAX38908EVK-WLP

Evaluation Kit for the MAX38908

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MAX38908EVK-WLP
Evaluation Kit for the MAX38908

Features and Benefits

  • Evaluates the MAX38908 IC in a 5x3 Bump, 0.4mm Pitch WLP
  • 0.9V to 5.5V Input Range
  • 2.7V to 20V Bias Voltage to Provide Wider Supply Options
  • 0.6V to 5.0V Resistor Configurable Output Voltage (Default Output Set to 1V)
  • Up to 4A Output Current
  • Proven 4-Layer 1-oz Copper PCB Layout
  • Demonstrates Compact Solution Size
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX38908 WLP evaluation kit (EV kit) evaluates the MAX38908 in a WLP package. The MAX38908 is a low input voltage, high output current linear regulator. The EV kit operates over an input range of 0.9V to 5.5V and a bias voltage range from 2.7V to 20V. The EV kit provides a resistor configurable output voltage range from 0.6V to 5.0V. The EV kit can deliver up to 4A of current.

Applications

  • Base Stations
  • FPGAs and DSPs
  • Medical, Audio, and Instrumentation
  • PLCs
  • Portable Cameras
  • Server μPs

Resources

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MAX38908EVK-WLP BOM Download

40.03K

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MAX38908EVK-WLP ODB Files - Design Files Download

957.17 K

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Evaluation Kits3

MAX38907EVK

Evaluation Kit for the MAX38907

MAX38908EVK-TDFN

Evaluation Kit for the MAX38908

MAX38908EVK-WLP

Evaluation Kit for the MAX38908
Tools & Simulations

Tools & Simulations 1

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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MAX38908 - LDO Linear Regulators Download

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