ADP2118

PRODUCTION

3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Regulator

Data Sheet (Rev. E) Product Selection Table

Part Models: 3
1ku List Price: Starting From $2.07

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Part Details

3 A continuous output current
75 mΩ and 40 mΩ integrated FET
±1.5% output accuracy
Input voltage range from 2.3 V to 5.5 V
Output voltage from 0.6 V to V_IN
600 kHz or 1.2 MHz fixed switching frequency
Synchronizable between 600 kHz and 1.4 MHz
Selectable synchronize phase shift: 0° or 180°
Selectable PWM or PFM mode operation
Current mode architecture

Precision enable input
Power good output
Voltage tracking input
Integrated soft start
Internal compensation
Starts up into a precharged output
UVLO, OVP, OCP, and thermal shutdown
Available in 16-lead, 4 mm × 4 mm LFCSP package

Part Models: 3
1ku List Price: Starting From $2.07

Documentation

Data Sheet 1

ADP2118: 3 A, 1.2 MHz/600 kHz, High Efficiency, Synchronous, Step-Down DC-to-DC Regulator Data Sheet (Rev.E) 07/31/2009

Evaluation Design File 1

ADP2118: Evaluation Board (EVAL-ADP2118) 02/12/2010

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
ADP2118ACPZ-1.2-R7	16-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADP2118ACPZ-3.3-R7	16-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
ADP2118ACPZ-R7	16-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 21, 2016 - 16_0248 Assembly Transfer of ADP2118 LFCSP Products to ASE Korea
		PCN16_0248_Form Material_Report Detailed Change Description Detailed Change Description Qualification Results Summary
ADP2118ACPZ-1.2-R7	PRODUCTION
ADP2118ACPZ-3.3-R7	PRODUCTION
ADP2118ACPZ-R7	PRODUCTION
May 11, 2014 - 13_0231 Assembly Transfer of Select 4x4 and 5x5mm LFCSP Products to STATS ChipPAC China.
		PCN13_0231_Form Material_Report Detailed Change Description Qualification Report Summary
ADP2118ACPZ-1.2-R7	PRODUCTION
ADP2118ACPZ-3.3-R7	PRODUCTION
ADP2118ACPZ-R7	PRODUCTION

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

Tools & Simulations

LTspice 1

ADP2118 - Step-Down (Buck) Regulators

Models for the following parts are available in LTspice:

ADP2118-1.0
ADP2118-1.2
ADP2118-1.5
ADP2118-1.8
ADP2118-2.5
ADP2118-3.3
ADP2118-ADJ

ADP21xx Buck Regulator Design Tool

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

Open Tool

SIMPLIS Models 1

ADP2118 SIMPLIS Schematic

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

ADP2118 Evaluation Board

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Product Details

The evaluation (demo) board provides an easy way to evaluate the ADP2118 buck regulator. This data sheet describes how to quickly set up the board to begin collecting performance data.

Resources

ADP2118: Evaluation Board (EVAL-ADP2118)
447 kB

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