Linear Regulator. TPS76701 Datasheet

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TPS76701 Datasheet
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Part TPS76701
Description 1-A Low-Dropout Linear Regulator
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Texas Instruments TPS76701
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TPS767
SLVS208J – MAY 1999 – REVISED AUGUST 2015
TPS767xxQ Fast-Transient-Response 1-A Low-Dropout Linear Regulators
1 Features
1 1 A Low-Dropout Voltage Regulator
• Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-
V, 3.3-V, 5.0-V Fixed Output and Adjustable
Versions
• Dropout Voltage Down to 230 mV at 1 A
(TPS76750)
• Ultralow 85 µA Typical Quiescent Current
• Fast Transient Response
• 2% Tolerance Over Specified Conditions for
Fixed-Output Versions
• Open Drain Power-On Reset With 200-ms Delay
(See TPS768xx for PG Option)
• 8-Pin SOIC and 20-Pin TSSOP PowerPAD™
(PWP) Package
• Thermal Shutdown Protection
TPS76733 Dropout Voltage vs Free-air
Temperature
103
IO = 1 A
102
101
2 Description
This device is designed to have a fast transient
response and be stable with 10 µF low ESR
capacitors. This combination provides high
performance at a reasonable cost.
Because the PMOS device behaves as a low-value
resistor, the dropout voltage is very low (typically
230 mV at an output current of 1 A for the TPS76750)
and is directly proportional to the output current.
Additionally, since the PMOS pass element is a
voltage-driven device, the quiescent current is very
low and independent of output loading (typically
85 µA over the full range of output current, 0 mA to
1 A). These two key specifications yield a significant
improvement in operating life for battery-powered
systems. This LDO family also features a sleep
mode; applying a TTL high signal to EN (enable)
shuts down the regulator, reducing the quiescent
current to 1 µA at TJ = 25°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS767xx
SOIC (8)
HTSSOP (20)
4.90 mm × 3.91 mm
6.50 mm x 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
TPS76733 Load Transient Response
100
50
0
−50
IO = 10 mA
100
10−1
Co = 10 μF
10−2
−60 −40 −20 0
IO = 0
20 40 60 80 100 120 140
TA − Free-Air Temperature − °C
1
0.5
0
0 100 200 300 400 500 600 700 800 900 1000
t − Time − μs
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.



Texas Instruments TPS76701
TPS767
SLVS208J – MAY 1999 – REVISED AUGUST 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Description ............................................................. 1
3 Revision History..................................................... 2
4 Description (Continued) ........................................ 3
5 Device Options....................................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Typical Characteristics .............................................. 8
8 Parameter Measurement Information ................ 12
9 Detailed Description ............................................ 13
9.1 Overview ................................................................. 13
9.2 Functional Block Diagram ....................................... 13
9.3 Feature Description................................................. 14
9.4 Device Functional Modes........................................ 15
9.5 Programming .......................................................... 15
10 Application and Implementation........................ 16
10.1 Application Information.......................................... 16
10.2 Typical Application ............................................... 16
11 Layout................................................................... 18
11.1 Power Dissipation and Junction Temperature ...... 18
12 Device and Documentation Support ................. 19
12.1 Related Links ........................................................ 19
12.2 Community Resources.......................................... 19
12.3 Trademarks ........................................................... 19
12.4 Electrostatic Discharge Caution ............................ 19
12.5 Glossary ................................................................ 19
13 Mechanical, Packaging, and Orderable
Information ........................................................... 19
3 Revision History
Changes from Revision I (January 2004) to Revision J
Page
• Added ESD Ratings table, Overview section, Feature Description section, Device Functional Modes, Application
and Implementation section, Device and Documentation Support section, and Mechanical, Packaging, and
Orderable Information section. .............................................................................................................................................. 1
2
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Copyright © 1999–2015, Texas Instruments Incorporated



Texas Instruments TPS76701
www.ti.com
TPS767
SLVS208J – MAY 1999 – REVISED AUGUST 2015
4 Description (Continued)
The RESET output of the TPS767xx initiates a reset in microcomputer and microprocessor systems in the event
of an undervoltage condition. An internal comparator in the TPS767xx monitors the output voltage of the
regulator to detect an undervoltage condition on the regulated output voltage.
The TPS767xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5.0-V fixed-voltage versions and
in an adjustable version (programmable over the range of 1.5 V to 5.5 V). Output voltage tolerance is specified
as a maximum of 2% over line, load, and temperature ranges. The TPS767xx family is available in 8-pin SOIC
and 20-pin PWP packages.
5 Device Options
TSSOP
(PWP)
TPS76750Q
TPS76733Q
TPS76730Q
TPS76728Q
TPS76727Q
TPS76725Q
TPS76718Q
TPS76715Q
TPS76701Q
PART NO. (1)
SOIC
(D)
TPS76750Q
TPS76733Q
TPS76730Q
TPS76728Q
TPS76727Q
TPS76725Q
TPS76718Q
TPS76715Q
TPS76701Q
VOLTAGE OPTIONS
(V)
TYP
5
3.3
3
2.8
2.7
2.5
1.8
1.5
Adjustable 1.5 V to 5.5 V
(1) The TPS76701 is programmable using an external resistor divider (see application information). The D and PWP packages are available
taped and reeled. Add an R suffix to the device type (e.g., TPS76701QDR).
Copyright © 1999–2015, Texas Instruments Incorporated
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