Switch. TPS22920L Datasheet

TPS22920L Datasheet PDF


Part

TPS22920L

Description

Integrated Load Switch

Manufacture

etcTI

Page 28 Pages
Datasheet
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TPS22920L Datasheet
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TPS22920, TPS22920L
SLVSAY8D – JUNE 2011 – REVISED JANUARY 2016
TPS22920x 3.6-V, 4-A, 5.3-mΩ On-Resistance, Integrated Load Switch with Controlled
Turn-on
1 Features
1 Input Voltage Range: 0.75 V to 3.6 V
• Integrated Load Switch
• Integrated Pass-FET rDSON = 2 mΩ (Typ) at 3.6 V
• Typical ON-Resistance
– rON = 5.3 mΩ at VIN = 3.6 V
– rON = 5.4 mΩ at VIN = 2.5 V
– rON = 5.5 mΩ at VIN = 1.8 V
– rON = 5.8 mΩ at VIN = 1.2 V
– rON = 6.1 mΩ at VIN = 1.05 V
– rON = 7.3 mΩ at VIN = 0.75 V
• CSP-8 Package 0.9 mm × 1.9 mm, 0.5 mm Pitch
• 4-A Maximum Continuous Switch Current
• Shutdown Current 5.5-µA Max
• ON-Logic Available in Both Active High/Low:
– TPS22920 is Active High
– TPS22920L is Active Low
• Low Threshold Control Input
• Controlled Slew-Rate to Avoid Inrush Current
• Quick Output Discharge Resistor
• ESD Performance Tested Per JESD 22
– 4000-V Human-Body Model
(A114-B, Class II)
– 1000-V Charged-Device Model (C101)
3 Description
The TPS22920x is a small, space-saving load switch
with controlled turn on to reduce inrush current. The
device contains a N-channel MOSFET that can
operate over an input voltage range of 0.75 V to 3.6
V and switch currents up to 4 A. An integrated charge
pump biases the NMOS switch in order to achieve a
minimum switch ON resistance (rON). The switch is
controlled by an on/off input (ON), which is capable of
interfacing directly with low-voltage control signals.
The TPS22920x has a 1250-Ω on-chip resistor for
quick output discharge when the switch is turned off
which insures that the output is not left floating.
The TPS22920x has an internally controlled rise time
in order to reduce inrush current.
The TPS22920x is available in an ultra-small, space-
saving 8-pin CSP package and 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)
TPS22920x
DSBGA (8)
1.90 mm x 0.90 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
2 Applications
• Notebook / Netbook Computer
• Tablet PC
• PDAs / Smartphones
• GPS Navigation Devices
• MP3 Players
Typical Application
SMPS
CIN
VIN
ON ON
OFF
TPS22920
VOUT
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.

TPS22920L Datasheet
TPS22920, TPS22920L
SLVSAY8D – JUNE 2011 – REVISED JANUARY 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 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: VIN = 3.6 V ...................... 5
7.7 Switching Characteristics: VIN = 0.9 V ...................... 5
7.8 Typical DC Characteristics........................................ 6
7.9 TPS22920 Typical AC Characteristics...................... 7
7.10 TPS22920L Typical AC Characteristics................ 10
8 Parametric Measurement Information ............... 13
9 Detailed Description ............................................ 15
9.1 Overview ................................................................. 15
9.2 Functional Block Diagram ....................................... 15
9.3 Feature Description................................................. 15
9.4 Device Functional Modes........................................ 15
10 Application and Implementation........................ 16
10.1 Application Information.......................................... 16
10.2 Typical Application ............................................... 16
11 Power Supply Recommendations ..................... 19
12 Layout................................................................... 19
12.1 Layout Guidelines ................................................. 19
12.2 Layout Example .................................................... 19
13 Device and Documentation Support ................. 20
13.1 Related Links ........................................................ 20
13.2 Trademarks ........................................................... 20
13.3 Electrostatic Discharge Caution ............................ 20
13.4 Glossary ................................................................ 20
14 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
Changes from Revision C (April 2015) to Revision D
Page
• Added Information about backside coating to Device Comparison table .............................................................................. 3
Changes from Revision November 2014 (B) to Revision C
Page
• Added TPS22920L to the datasheet. ..................................................................................................................................... 1
Changes from Revision A (July 2013) to Revision B
Page
• Added Pin Configuration and Functions section, Handling Rating 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 Original (June 2011) to Revision A
Page
• Updated swapped image issue. ............................................................................................................................................. 7
2 Submit Documentation Feedback
Copyright © 2011–2016, Texas Instruments Incorporated
Product Folder Links: TPS22920 TPS22920L


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS22920, TPS22920L SLVSAY8D – JUNE 2011 – REVISED JANUARY 2016 TPS22920x 3.6-V, 4-A, 5.3-mΩ On-Resis tance, Integrated Load Switch with Cont rolled Turn-on 1 Features •1 Input V oltage Range: 0.75 V to 3.6 V • Integ rated Load Switch • Integrated Pass-F ET rDSON = 2 mΩ (Typ) at 3.6 V • Typ ical ON-Resistance – rON = 5.3 mΩ at VIN = 3.6 V – rON = 5.4 mΩ at VIN = 2.5 V – rON = 5.5 mΩ at VIN = 1.8 V – rON = 5.8 mΩ at VIN = 1.2 V – r ON = 6.1 mΩ at VIN = 1.05 V – rON = 7.3 mΩ at VIN = 0.75 V • CSP-8 Packa ge 0.9 mm × 1.9 mm, 0.5 mm Pitch • 4 -A Maximum Continuous Switch Current Shutdown Current 5.5-µA Max • ON-L ogic Available in Both Active High/Low: – TPS22920 is Active High – TPS229 20L is Active Low • Low Threshold Con trol Input • Controlled Slew-Rate to Avoid Inrush Current • Quick Output D ischarge Resistor • ESD Performance Tested Per JESD 22 – 4000-V Human-Body Model (A114-B, Class II) – 1000-V Charge.
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