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Manufacturer / Brand: AD
Details: Dual 25A or Single 50A µModule Regulator with Digital Power System Management
Series: LTM4678
Quantity Available: Over 25460 pieces

Datasheet for LTM4678:

LTM4678 datasheet
Price for LTM4678
Product Parameters
  • Manufacturer Part Number : LTM4678
  • Manufacturer : AD
  • Description : Dual 25A or Single 50A µModule Regulator with Digital Power System Management
  • Series : LTM4678
  • Reference Price : USD 37.984
  • Our Price : We have a better price, contact us by email
  • Product Type : µModule Regulators
  • Function : µModule Buck Regulators
  • Current Suggest : Recommended for New Designs
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTM4678
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LTM4678
  • Dual Digitally Adjustable Analog Loops with Digital Interface for Control and Monitoring
  • Wide Input Voltage Range: 4.5V to 16V
  • Output Voltage Range: 0.5V to 3.4V
  • ±0.5% Maximum DC Output Error Over Temperature
  • ±3.5% Current Readback Accuracy, –20°C to 125°C
  • Sub-Milliohm DCR Current Sensing
  • Integrated Input Current Sense Amplifier
  • 400kHz PMBus-Compliant I2C Serial Interface
  • Supports Telemetry Polling Rates up to 125Hz
  • Integrated 16-Bit ∆Σ ADC
  • Constant Frequency Current Mode Control
  • Parallel and Current Share Up to 250A
  • 16mm × 16mm × 5.86mm CoP-BGA Package
    Readable Data
    • Input and Output Voltages, Currents, and Temperatures
    • Running Peak Values, Uptime, Faults and Warnings
    • Onboard EEPROM Fault Log Record

    Writable Data and Configurable Parameters
    • Output Voltage, Voltage Sequencing and Margining
    • Digital Soft-Start/Stop Ramp, Program Analog Loop
    • OV/UV/OT, UVLO, Frequency and Phasing
Product Detailed Description for LTM4678

The LTM4678 is a dual 25A or single 50A step-down µModule® (power module) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol . The LTM4678 is comprised of digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.

The LTM4678’s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay® GUI and DC1613 USB-to-PMBus converter and demo kits are available.

The LTM4678 is offered in a 16mm × 16mm × 5.86mm CoP-BGA package available with SnPb or RoHS compliant terminal finish.

Applications

  • System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments
Lifecycle information of LTM4678

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

LTM4678 More photos
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