Regulators. uA7808 Datasheet

uA7808 Datasheet PDF


Part

uA7808

Description

Fixed Positive Voltage Regulators

Manufacture

etcTI

Page 27 Pages
Datasheet
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uA7808 Datasheet
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uA7805, uA7808, uA7810
uA7812, uA7815, uA7824
SLVS056P – MAY 1976 – REVISED JANUARY 2015
µA78xx Fixed Positive Voltage Regulators
1 Features
1 3-Terminal Regulators
• Available in fixed 5-V/8-V/10-V/12-V/15-V/24-V
options
• Output Current up to 1.5 A
• Internal Thermal-Overload Protection
• High Power-Dissipation Capability
• Internal Short-Circuit Current Limiting
• Output Transistor Safe-Area Compensation
• Output Capacitor Not Needed for Stability
2 Applications
• On-card Regulation
• Portable Devices
• Computing & Servers
• Telecommunications
3 Description
This series of fixed-voltage integrated-circuit voltage
regulators is designed for a wide range of
applications. These applications include on-card
regulation for elimination of noise and distribution
problems associated with single-point regulation.
Each of these regulators can deliver up to 1.5 A of
output current. The internal current-limiting and
thermal-shutdown features of these regulators
essentially make them immune to overload. In
addition to use as fixed-voltage regulators, these
devices can be used with external components to
obtain adjustable output voltages and currents, and
also can be used as the power-pass element in
precision regulators.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
TO-220 (3) 10.16 mm x 8.82 mm
μA78xx
TO-220 (3) 10.16 mm x 8.82 mm
TO-263 (3) 10.06 mm x 9.02 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Simplified Schematic
+V
0.33 µF
µA78xx
+VO
0.1 µF
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.

uA7808 Datasheet
uA7805, uA7808, uA7810
uA7812, uA7815, uA7824
SLVS056P – MAY 1976 – REVISED JANUARY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Schematic............................................. 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings ............................................................ 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics — uA7805......................... 5
7.6 Electrical Characteristics — uA7808......................... 6
7.7 Electrical Characteristics — uA7810......................... 7
7.8 Electrical Characteristics — uA7812 ........................ 8
7.9 Electrical Characteristics — uA7815......................... 9
7.10 Electrical Characteristics — uA7824..................... 10
7.11 Typical Characteristics .......................................... 10
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Schematic.............................................. 11
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Application ................................................. 12
10 Power Supply Recommendations ..................... 14
11 Layout................................................................... 15
11.1 Layout Guidelines ................................................. 15
11.2 Layout Example .................................................... 15
12 Device and Documentation Support ................. 15
12.1 Related Links ........................................................ 15
12.2 Trademarks ........................................................... 15
12.3 Electrostatic Discharge Caution ............................ 15
12.4 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
5 Revision History
Changes from Revision O (August 2012) to Revision P
Page
• Added Applications, Device Information table, Pin Functions table, ESD Ratings table, Thermal Information table,
Typical Characteristics, 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. ................................................................................................. 1
• Deleted Ordering Information table. ....................................................................................................................................... 1
2 Submit Documentation Feedback
Copyright © 1976–2015, Texas Instruments Incorporated
Product Folder Links: uA7805 uA7808 uA7810 uA7812 uA7815 uA7824


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community uA7805, uA7808, uA7810 uA781 2, uA7815, uA7824 SLVS056P – MAY 1976 – REVISED JANUARY 2015 µA78xx Fixed Positive Voltage Regulators 1 Feature s •1 3-Terminal Regulators • Availa ble in fixed 5-V/8-V/10-V/12-V/15-V/24- V options • Output Current up to 1.5 A • Internal Thermal-Overload Protect ion • High Power-Dissipation Capabili ty • Internal Short-Circuit Current L imiting • Output Transistor Safe-Area Compensation • Output Capacitor Not Needed for Stability 2 Applications • On-card Regulation • Portable Device s • Computing & Servers • Telecommu nications 3 Description This series of fixed-voltage integrated-circuit volta ge regulators is designed for a wide ra nge of applications. These applications include on-card regulation for elimina tion of noise and distribution problems associated with single-point regulatio n. Each of these regulators can deliver up to 1.5 A of output current. The internal current-.
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