Add to Signal Chain Designer

ADP1876:  600kHz Dual Output Synchronous Buck PWM Controller Plus Linear Regulator

Product Details

Product Status:Recommended for New Designs

The ADP1876 is a dual output DCDC synchronous buck controller operating at 600 kHz fixed frequency with integrated drivers that drive N-channel power MOSFETs. The device operates in current mode for improved transient response and uses valley current sensing for enhanced noise immunity. The two PWM outputs are phase shifted 180° for reducing the input current ripple and the required input capacitance.

The ADP1876 has an independent low drop out voltage regulator (LDO) with a fixed output voltage of 1.5V with a maximum load of 150mA.

The ADP1876 provides high speed, high peak current drive capability with dead-time optimization to enable energy efficient power conversion.

Additional flexibility is provided by external programmability of loop compensation, soft start, current limit and current sense gain can all be programmed using external components. The ADP1876 has integrated boost diodes and power good. Protection features include under-voltage lock-out, over-current/short-circuit and over temperature. The ADP1876 provides an output voltage accuracy of ±0.85% from −40°C to +85°C and ±1.5% from −40°C to 125°C in junction temperature. This part can be powered from a 2.75 V to 20 V supply, operates over the −40oC to +125oC junction temperature range, and is availa¬ble in a 32-lead 5 mm × 5 mm LFCSP package.


  • Game consoles
  • Telecom base station and networking
  • Industrial and instrumentation


  • Wide range input:
    2.75V to 20V
  • Power stage input voltage:
    1V to 20V
  • Output voltage range:
    0.6V upto 90% VIN
  • Linear regulator LDO with a fixed output: 1.5 V at 150mA
  • Output current more than 25A per channel
  • 180º phase shift between channels for reduced input capacitance
  • ± 0.85% Reference voltage accuracy from -40 oC to +85 oC
  • Integrated boost diodes
  • Independent channel precision enable
  • See datasheet for additional features

Functional Block Diagram for ADP1876


Title Content Type File Type
ADP1876: 600 kHz Dual Output Synchronous Buck PWM Controller with Linear Regulator (Rev A, 11/2011) (pdf, 669 kB) Data Sheets PDF
Introduction to ADIsimPower
ADIsimPower is a smart selector and a collection of downloadable tools that produce complete and optimized power designs. Schematic, bill of materials, and performance data are customized to your specific needs in minutes.
Videos HTML
UG-334: Evaluation Board for the ADP1876 Step-Down DC-to-DC Controller  (pdf, 687 kB) User Guides PDF
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
ADP187x Buck Designer Tool  (zip, 0)
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
ADIsim Design/Simulation Tools ZIP
ADI Linear Regulator Design Tool and Parametric Search  (zip)
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
ADIsim Design/Simulation Tools ZIP
Download files for ADIsimPower™ Voltage Regulator Design Tool
The individual Excel-based voltage regulator design tools used in ADIsimPower™.
ADIsim Design/Simulation Tools HTML
Launch of ADIsimPower Voltage Regulator Selection Vin (min) V Vout V   Find Solutions
Vin (max) V Iout A

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

ADP1876 Model Options
Model Package Pins Temp.
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
ADP1876ACPZ-R7 Status: Production LFCSP:LEADFRM CHIP SCALE 32 Ind Reel, 1500 - $1.89 Y  Material Info PCN Purchase Sample
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

ADP1876 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
ADP1876-EVALZ Status: Production Evaluation Board $60.00 Yes -

content here.
content here.

Review this Product