ADP125

RECOMMENDED FOR NEW DESIGNS

5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators

Data Sheet (Rev. D) Product Selection Table

Part Models: 3
1ku List Price: Starting From $0.45

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Part Details

Input voltage supply range: 2.3 V to 5.5 V
500 mA maximum output current
Fixed and adjustable output voltage versions
1% initial accuracy
Up to 31 fixed-output voltage options available from 1.75 V to 3.3 V

Very low dropout voltage: 130 mV
Low quiescent current: 45 μA
Low shutdown current: <1 μA
Excellent PSRR performance: 60 dB at 100 kHz
Excellent load/line transient response
See data sheet for additional features

Part Models: 3
1ku List Price: Starting From $0.45

Documentation

Frequently Asked Question 1

FAQ 06/17/2015

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
ADP125ACPZ-R7	8-Lead LFCSP (2mm x 2mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADP125ARHZ	8-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADP125ARHZ-R7	8-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN
No Match Found
Aug 8, 2022 - 22_0192 Qualification of an Alternate Adhesive Material and Molding Compound for Select LFCSP Packages
		PCN22_0192_Form Material_Report Detailed Change Description Qualification Results Summary
ADP125ACPZ-R7	PRODUCTION
Oct 18, 2016 - 16_0036 Assembly Relocation to Stats ChipPAC Jiangyin and Test Transfer to Stats ChipPAC Singapore of Select LFCSP Products
		PCN16_0036_Form Material_Report Qualification Results Summary Qualification Results Summary Qualification Results Summary Test Correlation Report
ADP125ACPZ-R7	PRODUCTION
Aug 6, 2014 - 13_0244 Assembly and Test Transfer of Select 2x2 and 1.6x1.6 mm Mini-LFCSP Products to STATS ChipPAC China
		PCN13_0244_Form Material_Report Detailed Change Description Qualification Results Summary Test Correlation Report
ADP125ACPZ-R7	PRODUCTION
Jan 5, 2015 - 14_0246 Qualification of ASE Chungli, as an Alternate Assembly Site for Select MSOP Devices
		PCN14_0246_Form Material_Report Detailed Change Description Qualification Results Summary
ADP125ARHZ	PRODUCTION
ADP125ARHZ-R7	PRODUCTION

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

Software Resources

Device Drivers 1

ADP150 Regulator Fixed Voltage Linux Driver

Hardware Ecosystem

Parts	Product Life Cycle	Description
LT1763	RECOMMENDED FOR NEW DESIGNS	500mA, Low Noise, LDO Micropower Regulators
LT3085	RECOMMENDED FOR NEW DESIGNS	Adjustable 500mA Single Resistor Low Dropout Regulator

Tools & Simulations

LTspice 1

ADP125 - LDO Linear Regulators

Models for the following parts are available in LTspice:

ADP125

ADI Linear Regulator Design Tool and Parametric Search

Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

Open Tool

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

ADP125 Evaluation Board

Buy Now View Details

Product Details

These evaluation boards are used to demonstrate the functionality of the ADP125 linear regulators.

Simple device measurements such as line and load regulation, dropout, and ground current can be demonstrated with just a single voltage supply, a voltmeter, a current meter, and load resistors.

Resources

UG-056: Setting Up the Evaluation Board for the ADP124/ADP125
317 kB

Reference Designs

Artix US+ Rail Consolidation – Minimum Rails (AU10P/15P) Power Tree

Minimum Rails for AU10/15P and AU20/25P - Non-Hardware Verified Design

View Detailed Reference Design

Features and Benefits

Xilinx Artix^® UltraScale+^™ devices are the industry’s only cost-optimized FPGAs based on an advanced, production-proven 16nm architecture for best-in-class performance/watt.

Analog Devices, Inc. supports power delivery solutions for the Artix Ultrascale+ low-cost designs. Monolithic solutions are used to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated discrete solutions optimized for cost, efficiency and footprint.

ADI provides supporting documentation including power schematics, layout, LTpowerPlanner^® and applicable LTpowerPlay^® configuration files to enable you to validate the power solution for your application seamlessly.

For a complete list power designs and use cases, please contact your local FAE.

Key Power for full management devices are used as follows:

LTC3307A
LTC3309A
ADP125
LTC3617 (Optional DDR)
LTC3618
ADM1186 (Optional Monitoring & Sequencing)

Part Used

View Detailed Reference Design

Features and Benefits

Xilinx Artix 7™ Artix™-7 devices provide high performance-per-watt fabric, transceiver line rates, DSP processing, and AMS integration in a cost-optimized FPGA. This family is the best value for a variety of cost and power-sensitive applications including software-defined radio, machine vision cameras, and low-end wireless backhaul.
Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
Our reference designs are supported by an intuitive design tool set and IP
ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. Our team can provide samples and/or evaluation boards for quick validation that can speed time to market in the most complex applications.
For a complete list power designs and use cases, please contact your local FAE.

Key power regulators are used for this device as follows:

MAX77542
MAX38912
ADP125

Part Used

ADP125

MAX38912

MAX77542

View Detailed Reference Design

Features and Benefits

Spartan™ 7 devices offers exceptional performance per watt, along with small form factor packaging to meet the most stringent requirements. These devices are ideally suited for industrial, consumer, and automotive applications including any-to-any connectivity, sensor fusion, and embedded vision.
Analog Devices has worked closely Xilinx to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. For a complete list power designs and use cases, please contact your local FAE.

Key power regulators are used for this device as follows:

MAX77542
ADP125

Part Used

ADP125

MAX77542

View Detailed Reference Design

Features and Benefits

The Versal^™ HBM series features heterogeneous integration of fast memory, secure connectivity, and adaptive compute to eliminate processing and memory bottlenecks for memory-bound, compute-intensive workloads such as machine learning, database acceleration, next-generation firewalls, and advanced network testers. Analog Devices has worked closely AMD to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. For a complete list power designs and use cases, please contact your local local FAE.
ADI has also completed a complete power evaluation report for Mid-High Voltage rails. For a complete report please submit your interest here.

Key power regulators are used for this device as follows: