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TPS22924C Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS22924C
Description  ULTRA-SMALL, LOW-INPUT-VOLTAGE, LOW rON LOAD SWITCH
Download  17 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS22924C Fiches technique(HTML) 1 Page - Texas Instruments

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ON
OFF
C
= 1
F
IN
µ
GND
V
IN
C
L
GND
R
L
C
L
V
OUT
SMPS
GND
TPS22924C
LOAD
TPS22924C
www.ti.com
SLVSA52 – NOVEMBER 2009
ULTRA-SMALL, LOW-INPUT-VOLTAGE, LOW rON LOAD SWITCH
Check for Samples: TPS22924C
1
FEATURES
DESCRIPTION
Integrated Single Load Switch
Input Voltage: 0.75 V to 3.6 V
The TPS22924C is a small, ultra-low rON load switch
with
controlled
turn
on.
The
devices
contain
Ultra-Low ON Resistance
N-channel MOSFETs that can operate over an input
rDS(ON) = 5.7 mΩ at VIN = 3.6 V
voltage range of 0.75 V to 3.6 V. An integrated
rDS(ON) = 5.8 mΩ at VIN = 2.5 V
charge pump biases the NMOS switch to achieve a
minimum
switch
ON
resistance.
The
switch
is
rDS(ON) = 5.9 mΩ at VIN = 1.8 V
controlled by an on/off input (ON), which is capable of
rDS(ON) = 6 mΩ at VIN = 1.2 V
interfacing directly with low-voltage control signals.
rDS(ON) = 8 mΩ at VIN = 0.75 V
A 1250-
Ω on-chip load resistor is added for output
Ultra Small CSP-6 package
quick discharge when switch is turned off. The rise
0.9 mm x 1.4 mm, 0.5-mm Pitch
time of the device is internally controlled to avoid
2-A Maximum Continuous Switch Current
inrush current. The TPS22924C features a rise time
of 800 µs at 3.6 V.
Low Shutdown Current
The
TPS22924C
is
available
in
an
ultra-small
Low Threshold Control Input
space-saving
6-pin
CSP
package
and
is
Controlled Slew Rate to Avoid Inrush Currents
characterized
for
operation
over
the
free-air
Quick Output Discharge Transistor
temperature range of –40ºC to 85ºC.
ESD Performance Tested Per JESD 22
TYPICAL APPLICATION
5000-V Human-Body Model
(A114-B, Class II)
1000-V Charged-Device Model (C101)
APPLICATIONS
Battery Powered Equipment
NOTE: SMPS = Switched-mode power supply
Portable Industrial Equipment
Portable Medical Equipment
Portable Media Players
Point Of Sales Terminal
GPS Devices
Digital Cameras
Netbooks / Notebooks
Smartphones
Table 1. FEATURE LIST
SLEW RATE
QUICK
MAXIMUM
rON (TYP)
(TYP)
OUTPUT
OUTPUT
ENABLE
AT 3.6 V
AT 3.6 V
DISCHARGE(1)
CURRENT
TPS22924C
5.7 m
Ω
800
μs
Yes
2 A
Active high
(1)
This feature discharges the output of the switch to ground through a 1250-
Ω resistor, preventing the
output from floating. See the Output Pulldown section in Application Information.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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