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ADP151:  Ultra Low Noise, 200 mA CMOS Linear Regulator

Product Details

Product Status:Recommended for New Designs

The ADP151 is an ultralow noise, low dropout linear regulator that operates from 2.2 V to 5.5 V and provides up to 200 mA of output current. The low 140 mV dropout voltage at 200 mA load improves efficiency and allows operation over a wide input voltage range.

Using an innovative circuit topology, the ADP151 achieves ultralow noise performance without the necessity of a bypass capacitor, making it ideal for noise-sensitive analog and RF applications. The ADP151 also achieves ultralow noise per-formance without compromising PSRR or transient line and load performance. The low 265 μA of quiescent current at 200 mA load makes the ADP151 suitable for battery-operated portable equipment.

The ADP151 also includes an internal pull-down resistor on the EN input.

The ADP151 is specifically designed for stable operation with tiny 1 μF, ±30% ceramic input and output capacitors to meet the requirements of high performance, space constrained applications.

The ADP151 is capable of 16 fixed output voltage options, ranging from 1.1 V to 3.3 V.

Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP151 is available in tiny 5-lead TSOT, 6-lead LFCSP, and 4-ball, 0.4 mm pitch, halide-free WLCSP packages for the smallest footprint solution to meet a variety of portable power application requirements.

FEATURES and BENEFITS

  • Ultra low noise: 9 µV rms
  • No noise bypass capacitor required
  • Stable with 1 µF ceramic input and output capacitors
  • Maximum output current: 200 mA
  • Input voltage range: 2.2 V to 5.5 V
  • Low quiescent current
    IGND = 10 µA with zero load
    IGND = 265 μA with 200 mA load
  • Low shutdown current: <1 µA
  • Low dropout voltage: 140 mV at 200 mA load
  • Initial accuracy: ±1%
  • Accuracy over line, load, and temperature: ±2.5%
  • 16 fixed output voltage options: 1.1 V to 3.3 V
  • PSRR performance of 70 dB at 10 kHz
  • Current limit and thermal overload protection
  • Please see data sheet for additional features
  • Supports defense and aerospace applications (AQEC standard)
    Download ADP151-EP Data Sheet (pdf)
  • V62/12666 DSCC Drawing Number

Typical Application Circuit Diagram for ADP151

Documentation

Title Content Type File Type
ADP151: Ultralow Noise, 200 mA, CMOS Linear Regulator Datasheet (Rev E, 04/2012) (pdf, 533 kB) Data Sheets PDF
AN-1072: How to Successfully Apply Low Dropout Regulators  (pdf, 105 kB)
This application note reviews the basic LDO topology, explains key specifications, and shows the application of low dropout voltage regulators in systems.
Application Notes PDF
CN-0308: Powering an ECG Front End in Battery Powered Patient Monitoring Applications  (pdf, 358 kB) Circuit Note PDF
CN-0190: Robust, Multivoltage, High Efficiency, 25 W Universal Power Supply Module with 6 V to 14 V Input  (pdf, 357 kB) Circuit Note 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-090: RedyKit™ for the ADP151 LDO  (pdf, 134 kB) User Guides PDF
UG-116: Setting Up the Evaluation Board for the ADP151  (pdf, 152 kB) User Guides PDF
What are LDOs and how are they used? FAQs/RAQs HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
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.

Product Recommendations & Reference Designs

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Price, packaging, availability

ADP151 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADP151ACBZ-1.1-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-1.2-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-1.5-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-1.8-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-2.1-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-2.5-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-2.6-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-2.75-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-2.8-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-2.85-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-3.0-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACBZ-3.3-R7 Status: Production 4 ball WLCSP (.8x.8mm) 4 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-1.2-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-1.5-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-1.8-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-2.5-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-2.7-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-2.8-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - - Y  Material Info PCN Contact ADI
ADP151ACPZ-3.0-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151ACPZ-3.3-R7 Status: Production 6 ld LFCSP (2x2 w/1x1.6 EP) 6 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase
ADP151AUJZ-1.2-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151AUJZ-1.5-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151AUJZ-1.8-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151AUJZ-2.5-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151AUJZ-2.8-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151AUJZ-3.0-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151AUJZ-3.3-R7 Status: Production 5 ld TSOT 5 Ind Reel, 3000 - $0.34 Y  Material Info PCN Purchase Sample
ADP151TUJZ3.3-EPR2 Status: Production TSOT-23 5, 6, 8 lead 5 Mil Reel, 250 $3.64 $3.51 Y  Material Info Notify Me 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.

ADP151 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADP151CB-3.3-EVALZ Status: Production Evaluation Board $60.00 Yes -
ADP151CPZ-REDYKIT Status: Production Evaluation Board - Yes - Contact ADI
ADP151UJZ-REDYKIT Status: Production Evaluation Board $45.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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