ADPL12003

RECOMMENDED FOR NEW DESIGNS

20V, 2.5A/3.5A, Fully Integrated Synchronous Buck Converter

Data Sheet (Rev. 0) Product Selection Table

Part Models: 4
1ku List Price: Starting From $0.40

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Part Details

Multiple Functions for Small Size
- Operating Input Voltage Range: 3V to 20V
- Synchronous DC-DC Converter with Integrated Field-Effect Transistors (FETs) up to 2.5A/3.5A
- 27μA Quiescent Current in Skip Mode
- 400kHz/1.5MHz Switching Frequency
- Spread-Spectrum Option
- Internal Soft-Start
  - 2.5ms for 400kHz
  - 3.5ms for 1.5MHz
- Programmable 0.8V to 12V Output VoltageRange
- 99% Duty Cycle Operation with Low Dropout

High Precision for Safety-Critical Applications
- Precision Enable Thresholds for FullyProgrammable UVLO Thresholds
- Accurate Windowed PGOOD
Forced-PWM and Skip-Mode Operation
Overtemperature, Overvoltage, and Short-CircuitProtection
3mm x 3mm, 15-Pin FC2QFN
-40°C to +150°C Operating Junction TemperatureRange

Part Models: 4
1ku List Price: Starting From $0.40

Documentation

Data Sheet 1

ADPL12002/ADPL12003: 20V, 2.5A/3.5A, Fully Integrated Synchronous Buck Converter Data Sheet (Rev.0) 07/24/2025

User Guide 1

ADPL12003EVKIT User Guide: Evaluates: ADPL12002 and ADPL12003 (Rev.0) 07/24/2025

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
ADPL12003AFLA+	15 LD, FC2QFN 3X3X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADPL12003AFLA+T	15 LD, FC2QFN 3X3X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADPL12003AFLB+	15 LD, FC2QFN 3X3X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADPL12003AFLB+T	15 LD, FC2QFN 3X3X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Software Resources

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Tools & Simulations

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.

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Evaluation Kits

Evaluates: ADPL12002 and ADPL12003

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Features and Benefits

Input Supply Range from 3V to 20V
Adjustable Output Voltage Range between 0.8V and12V
Delivers up to 3.5A Output Current (up to 2.5A for the ADPL12002)
Frequency Synchronization Input
99% Duty Cycle Operation with Low Dropout
Voltage-Monitoring PGOOD Output with UV/OV Feature
Proven Printed Circuit Board (PCB) Layout
Fully Assembled and Tested

Product Details

The ADPL12003 evaluation kit (EV kit) provides a proven design to evaluate the ADPL12002/ADPL12003, high input-voltage, mini buck converter in a 15-pin, 17-pin flip-chip quad flat no-lead (FC2QFN) package. Various test points and jumpers are included for evaluation. The ADPL12003 EV kit comes with the ADPL12003AFLB+ installed (3.3V, 1.5MHz). This EV kit can be used to evaluate all variants of the ADPL12002/ADPL12003 with minimal component changes.

Resources

ADPL12003EVKIT User Guide: Evaluates: ADPL12002 and ADPL12003 (Rev.0)
7/24/2025

ADPL12003EVKIT Gerber Files
7/24/2025

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