TL7702A Supervisors Datasheet

TL7702A Datasheet, PDF, Equivalent


Part Number

TL7702A

Description

Supply-Voltage Supervisors

Manufacture

etcTI

Total Page 27 Pages
Datasheet
Download TL7702A Datasheet


TL7702A
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TL7702A, TL7705A, TL7709A, TL7712A, TL7715A
SLVS028K – APRIL 1983 – REVISED SEPTEMBER 2016
TL77xxA Supply-Voltage Supervisors
1 Features
1 Power-On Reset Generator
• Automatic Reset Generation After Voltage Drop
• Wide Supply-Voltage Range
• Precision Voltage Sensor
• Temperature-Compensated Voltage Reference
• Externally Adjustable Pulse Duration
2 Applications
• Computers
• Tablets
• Smart Phones
• Servers
• Music Players
3 Description
The TL77xxA family of integrated-circuit supply-
voltage supervisors is designed specifically for use as
reset controllers in microcomputer and
microprocessor systems. The supply-voltage
supervisor monitors the supply for undervoltage
conditions at the SENSE input. During power up, the
RESET output becomes active (low) when VCC
attains a value approaching 3.6 V. At this point
(assuming that SENSE is above VIT+), the delay timer
function activates a time delay, after which outputs
RESET and RESET go inactive (high and low,
respectively). When an undervoltage condition occurs
during normal operation, RESET and RESET go
active.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TL77xxA
SOIC (8)
PDIP (8)
4.90 mm × 3.91 mm
9.81 mm × 6.35 mm
TL7705A
SO (8)
6.20 mm × 5.30 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Three-Supply Monitoring
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.

TL7702A
TL7702A, TL7705A, TL7709A, TL7712A, TL7715A
SLVS028K – APRIL 1983 – REVISED SEPTEMBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 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 Switching Characteristics .......................................... 5
6.7 Typical Characteristics .............................................. 6
7 Parameter Measurement Information .................. 7
8 Detailed Description .............................................. 8
8.1 Overview ................................................................... 8
8.2 Functional Block Diagram ......................................... 8
8.3 Feature Description................................................... 9
8.4 Device Functional Modes.......................................... 9
9 Application and Implementation ........................ 10
9.1 Application Information............................................ 10
9.2 Typical Application .................................................. 10
9.3 System Examples ................................................... 12
10 Power Supply Recommendations ..................... 14
11 Layout................................................................... 14
11.1 Layout Guidelines ................................................. 14
11.2 Layout Example .................................................... 14
12 Device and Documentation Support ................. 15
12.1 Related Links ........................................................ 15
12.2 Receiving Notification of Documentation Updates 15
12.3 Community Resources.......................................... 15
12.4 Trademarks ........................................................... 15
12.5 Electrostatic Discharge Caution ............................ 15
12.6 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision J (January 2015) to Revision K
Page
• Added SO (8) to Device Information table.............................................................................................................................. 1
• Changed RESET to RESET in Timing Diagram..................................................................................................................... 6
• Added Receiving Notification of Documentation Updates section ....................................................................................... 15
Changes from Revision I (July 2009) to Revision J
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 © 1983–2016, Texas Instruments Incorporated
Product Folder Links: TL7702A TL7705A TL7709A TL7712A TL7715A


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TL7702A, TL7705A, TL7709A, T L7712A, TL7715A SLVS028K – APRIL 1983 – REVISED SEPTEMBER 2016 TL77xxA Sup ply-Voltage Supervisors 1 Features • 1 Power-On Reset Generator • Automati c Reset Generation After Voltage Drop Wide Supply-Voltage Range • Precis ion Voltage Sensor • Temperature-Comp ensated Voltage Reference • Externall y Adjustable Pulse Duration 2 Applicati ons • Computers • Tablets • Smart Phones • Servers • Music Players 3 Description The TL77xxA family of int egrated-circuit supplyvoltage superviso rs is designed specifically for use as reset controllers in microcomputer and microprocessor systems. The supply-volt age supervisor monitors the supply for undervoltage conditions at the SENSE in put. During power up, the RESET output becomes active (low) when VCC attains a value approaching 3.6 V. At this point (assuming that SENSE is above VIT+), the delay timer function activates a time delay, af.
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