Switch. TPS22908 Datasheet

TPS22908 Datasheet PDF


Part

TPS22908

Description

On-Resistance Load Switch

Manufacture

etcTI

Page 25 Pages
Datasheet
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TPS22908 Datasheet
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TPS22908
SLVSBI7C – JULY 2012 – REVISED APRIL 2015
TPS22908 3.6-V, 1-A, 28-mΩ On-Resistance Load Switch with Controlled Rise Time
1 Features
1 Integrated P-Channel Load Switch
• Input Voltage: 1 V to 3.6 V
• 1 A Maximum Continuous Switch Current
• On-Resistance (Typical Values)
– RON = 28 mat VIN = 3.6 V
– RON = 33 mat VIN = 2.5 V
– RON = 42 mat VIN = 1.8 V
– RON = 70 mat VIN = 1.2 V
• Maximum Quiescent Current = 1 µA
• Maximum Shutdown Current = 1 µA
• Low Control Input Thresholds Enable Use of 1.2-
V, 1.8-V, 2.5-V, and 3.3-V Logic
• Controlled Slew Rate to Avoid Inrush Currents
– tR = 105 µs at VIN = 3.6V
• Four Terminal Wafer-Chip-Scale Package
(WCSP)
– Nominal Dimensions - See Addendum for
Details
– 0.9 mm × 0.9 mm, 0.5-mm Pitch, 0.6-mm
Height
• Quick Output Discharge (QOD)
2 Applications
• Battery Powered Equipment
• Portable Industrial Equipment
• Portable Medical Equipment
• Portable Media Players
• Point of Sale Terminal
• GPS Devices
• Digital Cameras
• Portable Instrumentation
• Smartphones and Tablets
3 Description
The TPS22908 is a small, low RON load switch with
controlled turn on. The device contains a P-channel
MOSFET that operates over an input voltage range of
1 V to 3.6 V. The switch is controlled by an on/off
input (ON), which is capable of interfacing directly
with low-voltage control signals.
The TPS22908 is available in a space-saving 4-
terminal WCSP with 0.5 mm pitch (YZT). 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)
TPS22908
DSBGA (4)
0.9mm x 0.9mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Typical Application
Power
Supply
CIN
VIN
ON
OFF
ON
VOUT
TPS22908
GND
CL
RL
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.

TPS22908 Datasheet
TPS22908
SLVSBI7C – JULY 2012 – REVISED APRIL 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Options....................................................... 3
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........................................... 5
7.6 Switching Characteristics .......................................... 5
7.7 Typical Characteristics .............................................. 6
8 Parameter Measurement Information ................ 11
9 Detailed Description ............................................ 12
9.1 Overview ................................................................. 12
9.2 Functional Block Diagram ....................................... 12
9.3 Feature Description................................................. 12
9.4 Device Functional Modes........................................ 12
10 Application and Implementation........................ 13
10.1 Application Information.......................................... 13
10.2 Typical Application ............................................... 13
11 Power Supply Recommendations ..................... 15
12 Layout................................................................... 15
12.1 Layout Guidelines ................................................. 15
12.2 Layout Example .................................................... 16
12.3 Thermal Considerations ........................................ 16
13 Device and Documentation Support ................. 17
13.1 Trademarks ........................................................... 17
13.2 Electrostatic Discharge Caution ............................ 17
13.3 Glossary ................................................................ 17
14 Mechanical, Packaging, and Orderable
Information ........................................................... 17
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (May 2013) to Revision C
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
Changes from Revision A (August 2012) to Revision B
Page
• Updated FEATURES. ............................................................................................................................................................. 1
• Added Layout graphic........................................................................................................................................................... 16
2 Submit Documentation Feedback
Product Folder Links: TPS22908
Copyright © 2012–2015, Texas Instruments Incorporated


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS22908 SLVSBI7C – JULY 2 012 – REVISED APRIL 2015 TPS22908 3.6 -V, 1-A, 28-mΩ On-Resistance Load Swit ch with Controlled Rise Time 1 Feature s •1 Integrated P-Channel Load Switch • Input Voltage: 1 V to 3.6 V • 1 A Maximum Continuous Switch Current • On-Resistance (Typical Values) – RON = 28 mΩ at VIN = 3.6 V – RON = 33 mΩ at VIN = 2.5 V – RON = 42 mΩ a t VIN = 1.8 V – RON = 70 mΩ at VIN = 1.2 V • Maximum Quiescent Current = 1 µA • Maximum Shutdown Current = 1 µA • Low Control Input Thresholds E nable Use of 1.2V, 1.8-V, 2.5-V, and 3. 3-V Logic • Controlled Slew Rate to A void Inrush Currents – tR = 105 µs a t VIN = 3.6V • Four Terminal Wafer-Ch ip-Scale Package (WCSP) – Nominal Dim ensions - See Addendum for Details – 0.9 mm × 0.9 mm, 0.5-mm Pitch, 0.6-mm Height • Quick Output Discharge (QOD) 2 Applications • Battery Powered Equipment • Portable Industrial Equipment • Portable Medical Equipment • Portab.
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