Features and Benefits

  • Silent Switcher®2 Architecture: Enables Compact, Efficient, low EMI Solution
  • PMBus/I2C Serial Interface
    • Telemetry Read Back Includes VOUT, IOUT, VIN, Die Temperature, Faults
    • Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, UV/OV, Phase, Frequency (Up to 4MHz), Loop Compensation
    • Integrated EEPROM with Fault Event Log
  • Key Parameters May Be Set by Configuration Resistors for Operation without Programming
  • ±0.25% Output Voltage Accuracy Over Temperature for 0.6V to 1.375V
  • PolyPhase Load Sharing for Up to Eight Phases
  • Wide VIN Range: Down to 2.9V, or 1.5V with EXTVCC
  • Up to 95% Efficiency at 1MHz, 12VIN to 3.3VOUT
  • VOUT Range 0.4V to 5.5V (Up to 0.85 • VIN)
  • Differential Remote VOUT Sense
  • External Frequency Synchronization
  • 40-lead (5mm × 7mm) LQFN Package

Product Details

The LT7182S is a dual-output monolithic PolyPhase DC/DC synchronous step-down regulator. It can deliver up to 6A of continuous current from both channels simultaneously and can support loads up to 8A from either channel. The LT7182S features the second generation Silent Switcher® architecture with integrated VIN bypass capacitors for fast, clean, low-overshoot switching edges delivering high efficiency at high switching frequencies while minimizing EMI emissions.

The I2C-based PMBus 1.3 compliant serial interface enables control of device functions and provides telemetry information for system monitoring. The LT7182S is supported by the LTpowerPlay® graphical user interface tool.

Output voltage, frequency, phase, and device address can be configured using resistors for operation without programming. Settings may also be written via the serial interface and/or stored in EEPROM.

The controlled on-time valley current mode control architecture with 20ns (typical) minimum on-time enables high switching frequency at low output voltage with excellent transient response in a small overall solution size.


  • Communications, Storage, and Industrial Systems
  • Data Center and Solid State Drive Power Supplies

Product Lifecycle icon-recommended Recommended for New Designs

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.

Evaluation Kits (1)

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Design Resources

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Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.