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TPS73515 Datasheet Preview

TPS73515 Datasheet

Low-Dropout Linear Regulator

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TPS735
SBVS087M – JUNE 2008 – REVISED JUNE 2018
TPS735 500-mA, Low Quiescent Current, Low Noise, High PSRR,
Low-Dropout Linear Regulator
1 Features
1 Input Voltage: 2.7 V to 6.5 V
• 500-mA Low-Dropout Regulator With EN
• Low IQ: 45 μA
• Multiple Output Voltage Versions Available:
– Fixed Outputs of 1.2 V to 4.3 V
– Adjustable Outputs from 1.25 V to 6 V
• High PSRR: 68 dB at 1 kHz
• Low Noise: 13.2 μVRMS
• Fast Start-Up Time: 45 μs
• Stable With a Ceramic, 2.2-μF, Low-ESR Output
Capacitor
• Excellent Load and Line Transient Response
• 2% Overall Accuracy (Load, Line, and
Temperature, VOUT > 2.2 V)
• Very Low Dropout: 280 mV at 500 mA
• 2-mm × 2-mm WSON-6 and
3-mm × 3-mm SON-8 Packages
2 Applications
• Post DC-DC Converter Ripple Filtering
• IP Network Cameras
• Macro Base Stations
• Thermostats
3 Description
The TPS735 low-dropout (LDO), low-power linear
regulator offers excellent AC performance with very
low ground current. High power-supply rejection ratio
(PSRR), low noise, fast start-up, and excellent line
and load transient responses are provided while
consuming a very low 45-μA (typical) ground current.
The TPS735 device is stable with ceramic capacitors
and uses an advanced BiCMOS fabrication process
to yield a typical dropout voltage of 280 mV at 500-
mA output. The TPS735 device uses a precision
voltage reference and feedback loop to achieve
overall accuracy of 2% (VOUT > 2.2 V) over all load,
line, process, and temperature variations. This device
is fully specified from TJ = –40°C to +125°C and is
offered in a low-profile, 3 mm × 3 mm SON-8
package and a 2 mm × 2 mm WSON-6 package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS735
WSON (6)
SON (8)
2.00 mm × 2.00 mm
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application
Optional input capacitor, C ,
to improve source
IN
impedance, noise, and PSRR
VIN
IN
OUT
VOUT
TPS735
EN GND NR
2.2 µF
Ceramic
VEN
Optional bypass capacitor, C ,
to reduce output noise NR
and increase PSRR
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.




etcTI

TPS73515 Datasheet Preview

TPS73515 Datasheet

Low-Dropout Linear Regulator

No Preview Available !

TPS735
SBVS087M – JUNE 2008 – REVISED JUNE 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 4
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 7
6.6 Typical Characteristics .............................................. 8
7 Detailed Description ............................................ 10
7.1 Overview ................................................................. 10
7.2 Functional Block Diagrams ..................................... 10
7.3 Feature Description................................................. 11
7.4 Device Functional Modes........................................ 12
8 Application and Implementation ........................ 13
8.1 Application Information............................................ 13
8.2 Typical Applications ................................................ 13
9 Power Supply Recommendations...................... 16
10 Layout................................................................... 16
10.1 Layout Guidelines ................................................. 16
10.2 Layout Example .................................................... 16
10.3 Power Dissipation ................................................. 17
10.4 Estimating Junction Temperature ......................... 18
10.5 Package Mounting ................................................ 19
11 Device and Documentation Support ................. 20
11.1 Device Support...................................................... 20
11.2 Documentation Support ........................................ 20
11.3 Trademarks ........................................................... 20
11.4 Electrostatic Discharge Caution ............................ 20
11.5 Glossary ................................................................ 20
12 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision L (January 2015) to Revision M
Page
• Updated data sheet text to latest data sheet and translation standards ............................................................................... 1
• Changed "Ultra-Low Noise" to "Low Noise" in document title ............................................................................................... 1
• Changed Low IQ from 46 μA to 45 μA in Features, Description, and Application Information sections. ................................ 1
• Changed "Standard" to "Ceramic" in Features list ................................................................................................................. 1
• Changed 6-pin package from "SON" to "WSON" in Features list ......................................................................................... 1
• Deleted printers, WiFi®, WiMax Modules, cellular phones, smart phones and microprocessor power from
Applications section ............................................................................................................................................................... 1
• Added post DC/DC ripple filtering, IP network cameras, macro base stations, and thermostats to Applications section ..... 1
• Changed TA to TJ in Description section ............................................................................................................................... 1
• Changed 6-pin package from "SON" to "WSON" in Description section .............................................................................. 1
• Changed package in Device Information table from VSON (6) to WSON (6)........................................................................ 1
• Changed 6-pin DRB package designator from "VSON" to "SON" in Pin Configurations and Functions section .................. 4
• Changed 6-pin DRV package designator from "VSON" to "WSON" in Pin Configurations and Functions section .............. 4
• Added "feedback resistor" parameter to Recommended Operating Conditions table ........................................................... 5
• Changed DRV package designator from "VSON" to "WSON" in Thermal Information table ................................................ 6
• Changed DRB package designator from "VSON" to "SON" in Thermal Information table ................................................... 6
• Changed TPS735 Ground Pin Current (Disable) vs Temperature in Typical Characteristics section ................................... 8
• Changed TPS735 Dropout Voltage vs Output Current in Typical Characteristics section..................................................... 8
• Updated Equation 1 ............................................................................................................................................................. 14
• Changed x-axis scale from "10 ms/div" to "10 µs/div" in Figure 17 ..................................................................................... 15
• Changed x-axis scale from "10 ms/div" to "10 µs/div" in Figure 18 ..................................................................................... 15
• Changed VOUT starting value to 0 V in Figure 19 ................................................................................................................ 15
• Updated Equation 2 ............................................................................................................................................................. 17
• Updated Equation 3 ............................................................................................................................................................. 17
• Changed DRV package designator from "SON" to "WSON" in Measuring Points for TT and TB......................................... 19
2
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Part Number TPS73515
Description Low-Dropout Linear Regulator
Maker etcTI
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