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LP2986 Datasheet

200-mA Ultra-Low-Dropout Fixed or Adjustable Voltage Regulator

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LP2986
SNVS137I – MARCH 1999 – REVISED SEPTEMBER 2015
LP2986 Micropower, 200-mA Ultra-Low-Dropout Fixed or Adjustable Voltage Regulator
1 Features
1 Wide Supply Voltage Range (16 V Maximum)
• Ultra-Low-Dropout Voltage
• 0.5% Output Voltage Accuracy (A Grade)
• Ensured 200-mA Output Current
• < 1-μA Quiescent Current when Shutdown
• Low GROUND Pin Current at All Loads
• High Peak Current Capability (400 mA Typical)
• Overtemperature/Overcurrent Protection
40°C to +125°C Junction Temperature Range
2 Applications
• Cellular Phones
• Palmtop/Laptop Computers
• Camcorders, Personal Stereos, Cameras
3 Description
The LP2986 is a 200-mA high-precision LDO
regulator with a wide input voltage supply. The device
has two output voltage modes: a fixed-precision
output mode and an adjustable output voltage via an
external resistive divider.
Using an optimized Vertically Integrated PNP (VIP)
process, the LP2986 delivers superior performance:
• Dropout Voltage: Typically 180 mV at 200-mA
load, and 1 mV at 1-mA load.
• GROUND Pin Current: Typically 1 mA at 200-mA
load, and 200 μA at 10-mA load.
• Sleep Mode: The LP2986 draws less than 1 μA
quiescent current when SHUTDOWN pin is pulled
low.
• ERROR Flag: The built-in ERROR flag goes low
when the output drops approximately 5% below
nominal.
• Precision Output: The standard product versions
available can be pin-strapped (using the internal
resistive divider) to provide output voltages of 5 V,
3.3 V, or 3 V with ensured accuracy of 0.5% (A
grade) and 1% (standard grade) at room
temperature.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOIC (8)
4.90 mm × 3.91 mm
LP2986
VSSOP (8)
3.00 mm × 3.00 mm
WSON (8)
4.00 mm × 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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LP2986 Datasheet Preview

LP2986 Datasheet

200-mA Ultra-Low-Dropout Fixed or Adjustable Voltage Regulator

No Preview Available !

LP2986
SNVS137I – MARCH 1999 – REVISED SEPTEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Function ........................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 8
7 Detailed Description ............................................ 13
7.1 Overview ................................................................. 13
7.2 Functional Block Diagram ....................................... 13
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 14
8 Application and Implementation ........................ 15
8.1 Application Information............................................ 15
8.2 Typical Applications ................................................ 15
9 Power Supply Recommendations...................... 19
10 Layout................................................................... 20
10.1 Layout Guidelines ................................................. 20
10.2 Layout Examples................................................... 20
10.3 WSON Mounting ................................................... 21
11 Device and Documentation Support ................. 22
11.1 Documentation Support ........................................ 22
11.2 Community Resources.......................................... 22
11.3 Trademarks ........................................................... 22
11.4 Electrostatic Discharge Caution ............................ 22
11.5 Glossary ................................................................ 22
12 Mechanical, Packaging, and Orderable
Information ........................................................... 22
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision H (April 2013) to Revision I
Page
• Added Device Information and Pin Configuration and Functions sections, ESD Ratings table, update Thermal
Values, Feature Description, Device Functional Modes, Application and Implementation, Power Supply
Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable
Information sections................................................................................................................................................................ 1
• Deleted Lead Temp from Abs Max table (in POA); delete Heatsinking sections re: specific packages (outdated info) ....... 4
Changes from Revision G (April 2013) to Revision H
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 18
2
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Product Folder Links: LP2986
Copyright © 1999–2015, Texas Instruments Incorporated


Part Number LP2986
Description 200-mA Ultra-Low-Dropout Fixed or Adjustable Voltage Regulator
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