LT7175

Name: LT7175
Brand: Analog Devices
Availability: InStock

RECOMMENDED FOR NEW DESIGNS

24A, 4V, Single- or Dual-Phase, Silent Switcher Step-Down Regulators with Digital Power System Management

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: price unavailable

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Overview

Silent Switcher^® Architecture: Enables a Compact, Efficient, Low EMI Solution
PMBus/I²C Serial Interface

Telemetry Read Back includes V_OUT, I_OUT, V_IN, Die Temperature, and Faults
READ_VOUT Accuracy: ±0.3% for < 0.6V, READ_IOUT Accuracy: ±5.5% for > 10A at V_OUT/V_IN < 25%, −25°C To 100°C, T_J
Programmable Voltage, Current Limit, Sequencing, Soft Start and Stop, Undervoltage and Overvoltage, Phase, Frequency (up to 3MHz), and Loop Compensation
Integrated Three Times Programmable NVM

Key Parameters Selectable by Resistor
V_OUT Set Point Range: 0.3V to 3.4V
V_OUT Accuracy: ±0.25%, 0.6V ≤ V_OUT ≤ 1.375V
Optional Pulse-Skipping Mode
Differential Remote V_OUT Sense
Fast Transient Response
Wide V_IN Supply Range: Down to 2.7V or 1.5V with EXTV_CC
Programmable and Synchronizable: 1MHz to 3MHz
24-lead (3.5mm × 4mm) LQFN Package

Part Models: 2
1ku List Price: price unavailable

Documentation

Data Sheet 1

LT7175/LT7175-1: 24A, 4V, Single- or Dual-Phase, Silent Switcher Step-Down Regulators with Digital Power System Management Data Sheet (Rev.0) 10/29/2026

User Guide 1

EVAL-LT7175-AZ User Guide: 24A, 4V Single-Phase Silent Switcher Step-Down Regulator with Digital Power System Management (Rev.0) 10/29/2026

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
LT7175RV#TRMPBF	24-Lead LQFN Package (3.5 mm × 4mm × 0.95mm)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LT7175RV#TRPBF	24-Lead LQFN Package (3.5 mm × 4mm × 0.95mm)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Evaluation Kits

24A, 4V Single-Phase Silent Switcher Step-Down Regulator with Digital Power System Management

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Product Details

The evaluation kit EVAL-LT7175-AZ is a single-phase, single-output monolithic DC/DC synchronous step-down regulator featuring the LT7175, with a 2.7V to 4V input range. With 3V to 12V EXTV_CC provided, the input voltage can be as low as 1.5V. The output can supply a continuous load current of 24A. The Silent Switcher^® regulator structure is incorporated into the LT7175 to minimize EMI and reduce PCB layout sensitivity. It also integrates digital power system management functionality, allowing programmability and telemetry through a PMBus/I²Ccompliant serial interface. Refer to the LT7175 data sheet for more detailed information.

The EVAL-LT7175-AZ evaluation board is designed for 0.5V output with a switching frequency set at 1.5MHz. The controlled on-time, valley current-mode control with a 25ns typical minimum on-time enables high switching frequency at low output voltage, along with excellent transient response in a small overall solution size.

The EVAL-LT7175-AZ powers up with default settings and produces power based on the NVM configuration without the need for any serial bus communication. This allows for easy evaluation of the DC/DC converter. To fully explore the power system management features of the part, download the LTpowerPlay^® GUI software onto a PC and use ADI’s I²C/SMBus/PMBus dongle (DC1613A) to connect to the board. LTpowerPlay allows the user to reconfigure the part on the fly, store the configuration in NVM, and view telemetry of voltage, current, temperature, and fault status. The NVM can be programmed up to three times.

GUI Download

The software can be downloaded from LTpowerPlay.

The LT7175 data sheet provides a complete description of the part, operation, and application information. The data sheet must be read in conjunction with this demo manual for EVAL-LT7175-AZ.

For more details and instructions for LTpowerPlay, refer to the LTpowerPlay GUI and the LT7175 Quick Start Guide.