SLVS522O July   2004  – January 2015 LP2985

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Shutdown Mode
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Typical Application
      2. 8.1.2 Design Requirements
      3. 8.1.3 Capacitors
        1. 8.1.3.1 Input Capacitor (CIN)
        2. 8.1.3.2 Output Capacitor (COUT)
        3. 8.1.3.3 Noise Bypass Capacitor (CBYPASS)
        4. 8.1.3.4 Reverse Input-Output Voltage
      4. 8.1.4 Detailed Design Procedure
        1. 8.1.4.1 Capacitor Characteristics
          1. 8.1.4.1.1 Ceramics
          2. 8.1.4.1.2 Tantalum
        2. 8.1.4.2 ON/OFF Operation
      5. 8.1.5 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Output Tolerance of
    • 1% (A Grade)
    • 1.5% (Standard Grade)
  • Ultra-Low Dropout, Typically
    • 280 mV at Full Load of 150 mA
    • 7 mV at 1 mA
  • Wide VIN Range: 16 V Max
  • Low IQ: 850 μA at Full Load at 150 mA
  • Shutdown Current: 0.01 μA Typ
  • Low Noise: 30 μVRMS With 10-nF Bypass Capacitor
  • Stable With Low-ESR Capacitors, Including Ceramic
  • Overcurrent and Thermal Protection
  • High Peak-Current Capability
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

2 Applications

  • Portable Devices
  • Digital Cameras and Camcorders
  • CD Players
  • MP3 Players

3 Description

The LP2985 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both portable and nonportable applications. Available in voltages of 1.8 V, 2.5 V, 2.8 V, 2.9 V, 3 V, 3.1 V, 3.3 V, 5 V, and 10 V, the family has an output tolerance of 1% for the A version (1.5% for the non-A version) and is capable of delivering 150-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are included.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
LP2985 SOT-23 (5) 2.90 mm x 1.60 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Dropout Voltage vs Temperature

g_vdo_ta_lvs522.gif

4 Revision History

Changes from N Revision (June 2011) to O Revision

  • Added Applications, Device Information table, Pin Functions table, ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section.Go
  • Deleted Ordering Information table.Go