Switch. TPS22970 Datasheet

TPS22970 Datasheet PDF


Part

TPS22970

Description

On-Resistance Load Switch

Manufacture

etcTI

Page 25 Pages
Datasheet
Download TPS22970 Datasheet


TPS22970 Datasheet
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
TPS22970
SLVSDF2A – MAY 2017 – REVISED JULY 2017
TPS22970 3.6-V, 4-A, 4.7-mΩ On-Resistance Load Switch
1 Features
1 Input Voltage Range (VIN): 0.65 V to 3.6 V
• On-Resistance
– RON = 4.7 mΩ (Typical) at VIN 1.8 V
– RON = 5.1 mΩ (Typical) at VIN = 1.05 V
– RON = 6.4 mΩ (Typical) at VIN = 0.65 V
• Maximum Continuous Switch Current (IMAX): 4 A
• ON State (IQ): 30 µA (Typical) at VIN > 1.2 V
• OFF State (ISD): 1 µA (Typical) at VIN > 1.8 V
• Controlled Slew Rate to Avoid Inrush Current
– 3.6 V Turn-ON time (tON): 1530 μs
– 0.65 V Turn-ON time (tON): 815 μs
• Low Threshold Enable (ON) Supports Use of
Logic as Low as 0.9 V (VIH) of Logic
• Thermal Shutdown (TSD)
• Quick Output Discharge (QOD): 150-Ω (Typical)
2 Applications
• Notebook, Tablet
• Industrial PC
• Smartphones
• Telecom
• Storage
3 Description
The TPS22970 is a small, space-saving load switch
with controlled Turn-ON to reduce inrush current. The
device contains an N-channel MOSFET that can
operate over an input voltage range of 0.65 V to 3.6
V and pulsed 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 and off input (ON),
which is capable of interfacing directly with low-
voltage control signals.
The TPS22970 is capable of thermal shutdown when
the junction temperature is above the threshold,
turning the switch off. The switch turns on again when
the junction temperature stabilizes to a safe range.
The TPS22970 has a 150-Ω on-chip resistor for quick
discharge of the output when switch is disabled to
avoid any unknown state caused by floating supply to
the downstream load.
The TPS22970 has an internally controlled rise time
in order to reduce inrush current.
The TPS22970 is available in an ultra-small, space
saving 8-pin WCSP package and is characterized for
operation over the free-air temperature range of
–40°C to +105°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS22970YZPT
DSBGA (8)
1.90 mm × 0.90 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application
Power Supply
CIN
ON
OFF
V VIN OUT
V VIN OUT
VIN
ON
TPS22970
VOUT
GND
CL RL
GND
Copyright © 2017, Texas Instruments Incorporated
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.

TPS22970 Datasheet
TPS22970
SLVSDF2A – MAY 2017 – REVISED JULY 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings ............................................................ 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Switching Characteristics .......................................... 6
6.7 Typical DC Characteristics........................................ 7
6.8 Typical AC Characteristics........................................ 7
7 Parameter Measurement Information ................ 10
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 11
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Application ................................................. 12
10 Power Supply Recommendations ..................... 15
11 Layout................................................................... 15
11.1 Layout Guidelines ................................................. 15
11.2 Layout Example .................................................... 15
12 Device and Documentation Support ................. 16
12.1 Documentation Support ....................................... 16
12.2 Receiving Notification of Documentation Updates 16
12.3 Community Resources.......................................... 16
12.4 Trademarks ........................................................... 16
12.5 Electrostatic Discharge Caution ............................ 16
12.6 Glossary ................................................................ 16
13 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 Original (May 2017) to Revision A
Page
• Changed device status from "Advance Information" to " Production Data" ........................................................................... 1
2 Submit Documentation Feedback
Product Folder Links: TPS22970
Copyright © 2017, Texas Instruments Incorporated


Features Datasheet pdf Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TPS22970 SLVSDF2A – MAY 2017 – REVISED JULY 2017 TPS22970 3.6-V, 4 -A, 4.7-mΩ On-Resistance Load Switch 1 Features •1 Input Voltage Range (VI N): 0.65 V to 3.6 V • On-Resistance RON = 4.7 mΩ (Typical) at VIN ≥ 1 .8 V – RON = 5.1 mΩ (Typical) at VIN = 1.05 V – RON = 6.4 mΩ (Typical) a t VIN = 0.65 V • Maximum Continuous S witch Current (IMAX): 4 A • ON State (IQ): 30 µA (Typical) at VIN > 1.2 V OFF State (ISD): 1 µA (Typical) at VIN > 1.8 V • Controlled Slew Rate to Avoid Inrush Current – 3.6 V Turn-ON time (tON): 1530 μs – 0.65 V Turn-O N time (tON): 815 μs • Low Threshold Enable (ON) Supports Use of Logic as L ow as 0.9 V (VIH) of Logic • Thermal Shutdown (TSD) • Quick Output Dischar ge (QOD): 150-Ω (Typical) 2 Applicatio ns • Notebook, Tablet • Industrial PC • Smartphones • Telecom • Stor age 3 Description The TPS22970 is a small, space-saving load switch with controlled Turn-ON to reduce inrush curren.
Keywords TPS22970, datasheet, pdf, etcTI, On-Resistance, Load, Switch, PS22970, S22970, 22970, TPS2297, TPS229, TPS22, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute, Equivalent




@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)