MAX17574

Name: MAX17574
Brand: Analog Devices
Price: 3.63 USD
Availability: InStock

PRODUCTION

4.5V–60V, 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation

Industry's Only 60V, 3A Internal FET Synchronous Buck Converter

Data Sheet (Rev. 3) Product Selection Table

Part Models: 2
1ku List Price: Starting From $3.63

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Overview

Reduces External Components and Total Cost
- No Schottky-Synchronous Operation
- Internal Compensation for Any Output Voltage
- All-Ceramic Capacitors, Compact Layout
Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 60V Input
- Adjustable Output Voltage Range from 0.9V up to 90% of V_IN
- Delivers up to 3A Current Over Temperature
- 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
Reduces Power Dissipation
- Peak Efficiency > 90%
- PFM and DCM Modes Enable Enhanced Light-Load Efficiency
- Auxiliary Bootstrap LDO for Improved Efficiency
- 2.8μA Shutdown Current
Operates Reliably in Adverse Industrial Environments
- Hiccup Mode Overload Protection
- Adjustable Soft-Start and Prebiased Power-Up
- Built-In Output-Voltage Monitoring with Active-Low RESET
- Programmable EN/UVLO Threshold
- Monotonic Startup Into Prebiased Load
- Overtemperature Protection
- High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

Part Models: 2
1ku List Price: Starting From $3.63

Documentation

Data Sheet 1

MAX17574: 4.5V–60V, 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation Data Sheet (Rev.3) 08/07/2018

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
MAX17574ATG+	LFCSP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
MAX17574ATG+T	LFCSP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 20, 2026 - 2571D PIN/ERRATA
		pcn_2571d
MAX17574ATG+T	PRODUCTION	pcn_2571d

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

Software Resources

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Tools & Simulations

ADI Power Studio™ Designer

ADI Power Studio™ Designer is the next-generation tool for IC-level, power supply design, guiding engineers to faster, validated solutions.

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SIMPLIS Models 1

MAX17574 SIMPLIS Schematic

Evaluation Kits

Evaluation Kit for the MAX17574 in 5V Output-Voltage Application

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Features and Benefits

Operates from a 6.5V to 60V Input Supply
5V Output Voltage
Up to 3A Output Current
500kHz Switching Frequency
Enable/UVLO Input, Resistor-Programmable UVLO Threshold
Adjustable Soft-Start Time
MODE/SYNC Pin to Select Among PWM, PFM, or DCM Modes
Open-Drain Active-Low RESET Output
External Frequency Synchronization
Overcurrent and Overtemperature Protection
Proven PCB Layout
Fully Assembled and Tested

Product Details

The MAX17574 5V output evaluation kit (EV kit) provides a proven design to evaluate the MAX17574 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 5V output at load currents up to 3A and features a 500kHz switching frequency for optimum efficiency and component size. The EV kit features adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, and external frequency synchronization.

Applications

Base Station Power Supplies
Distributed Supply Regulation
General-Purpose Point-of-Load
High-Voltage, Single-Board Systems
Industrial Control Power Supplies
Wall Transformer Regulation

Resources

MAX17574EVKITB Gerber File
1/1/0001

MAX17574EVKITB Gerber File - Design Files
10/16/2023

Evaluation Kit for the MAX17574 5V Output-Voltage Application

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Features and Benefits

Operates from a 6.5V to 60V Input Supply
Programmed 5V Output Voltage, 3A Load Current
500kHz Switching Frequency
Enable/UVLO Input, Resistor-Programmable UVLO Threshold
Adjustable Soft-Start Time
MODE/SYNC Pin to Select Among PWM, PFM, or DCM Modes
Open-Drain Active-Low RESET Output
External Clock Synchronization
Overcurrent and Overtemperature Protection
Proven PCB Layout
Fully Assembled and Tested
Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions

Product Details

The MAX17574EVKITBE# evaluation kit (EV kit) provides a proven design to evaluate the MAX17574 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 5V output at load currents up to 3A and features a 500kHz switching frequency for optimum efficiency and component size. The EV kit features adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, and external clock synchronization. The EV kit also provides a good layout example, which is optimized for conducted, radiated EMI, and thermal performance. For more details about the IC benefits and features, refer to the MAX17574 IC data sheet.

Applications

Base Station Power Supplies
Distributed Supply Regulation
General-Purpose Point-of-Load
High-Voltage, Single-Board Systems
Industrial Control Power Supplies
Wall Transformer Regulation

Resources

MAX17574EVKITBE ODB Files - Design Files
10/16/2023

Evaluation Kit for the MAX17574 in 3.3V Output-Voltage Application

Buy Now View Details

Features and Benefits

Operates from a 5V to 60V Input Supply
3.3V Output Voltage
Up to 3A Output Current
500kHz Switching Frequency
Enable/UVLO Input, Resistor-Programmable UVLO Threshold
Adjustable Soft-Start Time
MODE/SYNC Pin to Select Among PWM, PFM, or DCM Modes
Open-Drain Active-Low RESET Output
External Frequency Synchronization
Overcurrent and Overtemperature Protection
Proven PCB Layout
Fully Assembled and Tested

Product Details

The MAX17574 3.3V output evaluation kit (EV kit) provides a proven design to evaluate the MAX17574 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 3.3V output at load currents up to 3A and features a 500kHz switching frequency for optimum efficiency and component size. The EV kit features adjustable input undervoltage lockout, adjustable soft-start, open-drain active-low RESET signal, and external frequency synchronization.

Applications