Switch. TPS22967 Datasheet

TPS22967 Datasheet PDF


Part

TPS22967

Description

Ultra-Low Resistance Load Switch

Manufacture

etcTI

Page 29 Pages
Datasheet
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TPS22967 Datasheet
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TPS22967
SLVSC42A – AUGUST 2013 – REVISED APRIL 2015
TPS22967 Single-Channel, Ultra-Low Resistance Load Switch
1 Features
1 Integrated Single-Channel Load Switch
• Input Voltage Range: 0.8 V to 5.5 V
• Low RON Resistance
– RON = 22 mat VIN = 5 V (VBIAS = 5 V)
– RON = 22 mat VIN = 3.6 V (VBIAS = 5 V)
– RON = 22 mat VIN = 1.8 V (VBIAS = 5 V)
• 4-A Maximum Continuous Switch Current
• Low Quiescent Current (50 µA)
• Low Control Input Threshold Enables Use of
1.2-V, 1.8-V, 2.5-V, and 3.3-V Logic
• Configurable Rise Time
• Quick Output Discharge (QOD)
• WSON 8-Pin Package With Thermal Pad
2 Applications
• Ultrabooks™
• Notebooks and Netbooks
• Tablet PCs
• Consumer Electronics
• Set-Top Boxes and Residental Gateways
• Telecom Systems
• Solid-State Drives (SSD)
3 Description
The TPS22967 device is a small, ultra-low RON,
single-channel load switch with controlled turnon. The
device contains an N-channel MOSFET that can
operate over an input voltage range of 0.8 V to 5.5 V
and can support a maximum continuous current of
4 A. The switch is controlled by an on/off input (ON),
which can interface directly with low-voltage control
signals. In the TPS22967, a 225-Ω pulldown resistor
is added for quick output discharge when the switch
is turned off.
The TPS22967 is available in a small, space-saving
2-mm × 2-mm 8-pin WSON package (DSG) with
integrated thermal pad allowing for high power
dissipation. The device is characterized for operation
over the free-air temperature range of –40°C to 85°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS22967
WSON (8)
2.00 mm × 2.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Typical Application Schematic
Power
Supply
CIN
VIN
ON
OFF
ON
VOUT
CL
CT RL
VBIAS
TPS22967
GND
GND
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.

TPS22967 Datasheet
TPS22967
SLVSC42A – AUGUST 2013 – REVISED APRIL 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Typical Application 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 .................................................. 5
7.5 Electrical Characteristics: VBIAS = 5 V ...................... 5
7.6 Electrical Characteristics: VBIAS = 2.5 V ................... 6
7.7 Switching Characteristics .......................................... 7
7.8 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 14
8.1 Overview ................................................................. 14
8.2 Functional Block Diagram ....................................... 14
8.3 Feature Description................................................. 14
8.4 Device Functional Modes........................................ 15
9 Application and Implementation ........................ 16
9.1 Application Information............................................ 16
9.2 Typical Application ................................................. 17
10 Power Supply Recommendations ..................... 19
11 Layout................................................................... 19
11.1 Layout Guidelines ................................................. 19
11.2 Layout Example .................................................... 20
12 Device and Documentation Support ................. 20
12.1 Trademarks ........................................................... 20
12.2 Electrostatic Discharge Caution ............................ 20
12.3 Glossary ................................................................ 20
13 Mechanical, Packaging, and Orderable
Information ........................................................... 20
5 Revision History
Changes from Original (August 2013) to Revision A
Page
• Added Pin Configuration and Functions section, ESD Ratings table, 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
2 Submit Documentation Feedback
Product Folder Links: TPS22967
Copyright © 2013–2015, Texas Instruments Incorporated


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS22967 SLVSC42A – AUGUST 2013 – REVISED APRIL 2015 TPS22967 S ingle-Channel, Ultra-Low Resistance Loa d Switch 1 Features •1 Integrated Si ngle-Channel Load Switch • Input Volt age Range: 0.8 V to 5.5 V • Low RON R esistance – RON = 22 mΩ at VIN = 5 V (VBIAS = 5 V) – RON = 22 mΩ at VI N = 3.6 V (VBIAS = 5 V) – RON = 22 m at VIN = 1.8 V (VBIAS = 5 V) • 4-A Maximum Continuous Switch Current • Low Quiescent Current (50 µA) • Low Control Input Threshold Enables Use of 1.2-V, 1.8-V, 2.5-V, and 3.3-V Logic Configurable Rise Time • Quick Outp ut Discharge (QOD) • WSON 8-Pin Packa ge With Thermal Pad 2 Applications • Ultrabooks™ • Notebooks and Netbook s • Tablet PCs • Consumer Electroni cs • Set-Top Boxes and Residental Gat eways • Telecom Systems • Solid-Sta te Drives (SSD) 3 Description The TPS2 2967 device is a small, ultra-low RON, single-channel load switch with controlled turnon. The device contains an N.
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