MAX17504

PRODUCTION

4.5V–60V, 3.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation

Industry's Only 60V, 3.5A Internal FET Synchronous Buck Converter

Data Sheet (Rev. 3) Product Selection Table

Part Models: 4
1ku List Price: Starting From $2.69

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Part Details

Eliminates External Components and Reduces Total Cost
- No Schottky-Synchronous Operation for High Efficiency and Reduced Cost
- Internal compensation for Stable Operation at Any Output Voltage
- All Ceramic Capacitor Solution: Ultra-Compact Layout with as Few as Eight External Components
Reduce Number of DC-DC Regulators to Stock
- Wide 4.5V to 60V Input Voltage Range
- 0.9V to 90% V_IN Output Voltage
- Delivers Up to 3.5A Over Temperature
- 100kHz to 2.2MHz Adjustable Frequency with External Synchronization
- MAX17504S Allows Higher Frequency Of Operation
- Available in a 20-Pin, 5mm x 5mm TQFN Package
Reduce Power Dissipation
- Peak Efficiency > 90%
- PFM and DCM Modes for High Light-Load Efficiency
- Shutdown Current = 2.8µA (typ)
Operate Reliably
- Hiccup-Mode Current Limit and Autoretry Startup
- Built-In Output Voltage Monitoring—(Open-Drain Active-Low RESET Pin)
- Resistor Programmable EN/UVLO Threshold
- Adjustable Soft-Start and Pre-Biased Power-Up
- High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

Part Models: 4
1ku List Price: Starting From $2.69

Documentation

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
MAX17504ATP+	20-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX17504ATP+T	20-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX17504SATP+	20-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX17504SATP+T	20-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN
No Match Found
Mar 11, 2019 - 1716 WAFER FAB
		pcn_1716
MAX17504ATP+	PRODUCTION
MAX17504ATP+T	PRODUCTION
MAX17504SATP+	PRODUCTION
Mar 12, 2018 - 1745 ASSEMBLY
		pcn_1745
MAX17504ATP+	PRODUCTION
MAX17504ATP+T	PRODUCTION
MAX17504SATP+	PRODUCTION
Jun 20, 2016 - 1612 ASSEMBLY
		pcn_1612
MAX17504ATP+	PRODUCTION
MAX17504ATP+T	PRODUCTION
Apr 20, 2015 - 1483B_AMENDED WAFER FAB
		pcn_1483b_amended
MAX17504ATP+	PRODUCTION
MAX17504ATP+T	PRODUCTION

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

Hardware Ecosystem

Parts	Product Life Cycle	Description
Internal Power Switch Buck Regulators 2
MAX17503	PRODUCTION	4.5V-60V, 2.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
MAX17502	PRODUCTION	60V, 1A, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter

Tools & Simulations

Software Development 1

MAXREFDES37# Reference Design Software, 1.1.0

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

Start EE-Sim Now

SIMPLIS Models 1

MAX17504 SIMPLIS Schematic

Evaluation Kits

Evaluation Kit for the MAX17504 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 3.5A Output Current
450kHz Switching Frequency
Enable/UVLO Input, Resistor-Programmable UVLO Threshold
Adjustable Soft-Start Time
MODE 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 MAX17504 3.3V output evaluation kit (EV kit) provides a proven design to evaluate the MAX17504 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 3.3V output at load currents up to 3.5A and features a 450kHz 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 Power Supplies
Wall Transformer Regulation

Resources

MAX17504EVKITA ODB File - Design Files
778.66K

MAX17504SA Gerber File
950.00K

MAX17504EVKITA PCB and Gerber Files - Design Files
1.63M

Evaluation Kit for the MAX17504 in 5V Output-Voltage Application

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Features and Benefits

Operates from a 7.5V to 60V Input Supply
5V Output Voltage
Up to 3.5A Output Current
500kHz Switching Frequency
Enable/UVLO Input, Resistor-Programmable UVLO Threshold
Adjustable Soft-Start Time
MODE 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 MAX17504 5V output evaluation kit (EV kit) provides a proven design to evaluate the MAX17504 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 5V output at load currents up to 3.5A 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 Power Supplies
Wall Transformer Regulation

Resources

MAX17504EVKITB ODB File - Design Files
777.49K

MAX17504EVKITB PCB and Gerber Files - Design Files
1.34M

CISPR-22 Compliant Evaluation Kit for the MAX17504 in 5V Output-Voltage Application

Buy Now View Details

Features and Benefits

Operates from a 7.5V to 60V Input Supply
Programmed 5V Output Voltage, 3.5A Load Current
500kHz Switching Frequency
Enable/UVLO Input, Resistor-Programmable UVLO Threshold
Adjustable Soft-Start Time
MODE 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 MAX17504EVKITBE# evaluation kit (EV kit) provides a proven design to evaluate the MAX17504 high-voltage, high-efficiency, synchronous step-down DC-DC converter. The EV kit is preset for 5V output at load currents up to 3.5A 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 MAX17504 data sheet.

Applications

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

Resources

MAX17504EVKITBE ODB File - Design Files
1.54M

Reference Designs

15V/1.5A Buck-Boost DC-DC Converter Using the Step-Down Controller MAX17504

View Detailed Reference Design

Features and Benefits

Part Used

MAX17504

Design & Integration Tools

Download Design Files
2.68 M

Multiple-Output, DC-DC Converter using Buck Regulators

View Detailed Reference Design

Features and Benefits

MAX17541G

Reduced Power Dissipation
Peak Efficiency > 90%
Shutdown Current = 0.9μA (typ)
Operates Reliably in Adverse Industrial Environments
Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
Built-In Output-Voltage Monitoring (Active-Low RESET Pin)
Programmable EN/UVLO Threshold
Adjustable Soft-Start and Prebiased Power-Up
-40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

MAX17504

100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
Peak Efficiency > 90%
PFM and DCM Modes Enable Enhanced Light-Load 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 RESET
Programmable EN/UVLO Threshold
-40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range