ADPL40505A

RECOMMENDED FOR NEW DESIGNS

5.5V, 500mA LDO Linear Regulator with Low-Power Mode

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: Starting From $0.30

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Overview

1.7V to 5.5V Input Supply Range
0.8V to 5.0V Output Voltage Range
500mA Maximum Output Current
120mV Maximum Dropout at 500mA Load (3.6V_IN)
20μA No-Load Supply Current in Low-Power Mode
350μA Supply Current in Normal Mode
<1μA Shutdown Supply Current
45μV_RMS Output Noise, 10Hz to 100kHz
60dB PSRR at 10kHz, 250mA Load Current, and 300mV Input and Output Voltage Separation

±2% DC Accuracy Over Load, Line, and Temperature Variations
Active Discharge of 800Ω at OUT
Stable with 2μF (Minimum Effective) Output Capacitance
Programmable Soft-Start Rate
Overcurrent and Overtemperature Protection
Reverse-Current Protection
Power-OK Output
2mm x 2mm, 8-Pin TDFN Package
-40°C to +125°C Operating Temperature

Part Models: 2
1ku List Price: Starting From $0.30

Documentation

Data Sheet 1

ADPL40505A: 5.5V, 500mA LDO Linear Regulator with Low-Power Mode Data Sheet (Rev.0) 11/05/2025

User Guide 1

ADPL40505AEVKIT User Guide: Evaluates: ADPL40505A (Rev.0) 11/05/2025

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
ADPL40505AATA+	LFCSP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
ADPL40505AATA+T	LFCSP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 20, 2026 - 2571D PIN/ERRATA
		pcn_2571d
ADPL40505AATA+T	PRODUCTION	pcn_2571d

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

Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

ADPL40505A

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

Evaluates: ADPL40505A

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Features and Benefits

Evaluates the ADPL40505A in an 8-pin (2mm x 2mm)Thin Dual Flat No-Lead Package (TDFN) Package
1.7V to 5.5V Input Supply Range
0.8V to 5.0V External Feedback Resistor Configuration
Up to 500mA Output Current
Jumper-Selectable Operating Modes
Proven 2-Layer 1oz Copper Printed Circuit Board(PCB) Layout
Demonstrates Compact Solution Size
Fully Assembled and Tested

Product Details

The ADPL40505A evaluation kit (EV kit) evaluates the ADPL40505A. The ADPL40505A is a P-Channel Metal-Oxide Semiconductor (PMOS) Low Drop-Out (LDO) linear regulator. The ADPL40505A EV kit operates over an input range of 1.7V to 5.5V, provides an output-voltage range from 0.8V to 5.0V, and can deliver up to 500mA of current. The EV kit comes with the ADPL40505AATA+ installed.

Resources

ADPL40505AEVKIT - Design Files
11/5/2025

ADPL40505AEVKIT User Guide: Evaluates: ADPL40505A (Rev.0)
11/5/2025

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