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TPS22924C
www.ti.com
SLVSA52C – NOVEMBER 2009 – REVISED JUNE 2013
ULTRA-SMALL, LOW-INPUT-VOLTAGE, LOW r ON LOAD SWITCH
Check for Samples: TPS22924C
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FEATURES
DESCRIPTION
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Integrated Single Load Switch
Input Voltage: 0.75 V to 3.6 V
Ultra-Low ON Resistance
– r ON = 18.3 m ? at V IN = 3.6 V
– r ON = 18.5 m ? at V IN = 2.5 V
– r ON = 19.6 m ? at V IN = 1.8 V
The TPS22924C is a small, ultra-low r ON load switch
with controlled turn on. The devices contain N-
channel MOSFETs that can operate over an input
voltage range of 0.75 V to 3.6 V. An integrated
charge pump biases the NMOS switch to achieve a
minimum switch ON resistance. The switch is
controlled by an on/off input (ON), which is capable of
interfacing directly with low-voltage control signals.
– r ON = 19.4 m ? at V IN = 1.2 V
– r ON = 20.3 m ? at V IN = 1.0 V
A 1250- Ω on-chip load resistor
quick discharge when switch is
is added for output
turned off. The rise
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– r ON = 22.7 m ? at V IN = 0.75 V
Ultra Small CSP-6 package
0.9 mm x 1.4 mm, 0.5-mm Pitch
time of the device is internally
inrush current. The TPS22924C
of 800 μs at 3.6 V.
controlled to avoid
features a rise time
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2-A Maximum Continuous Switch Current
Low Shutdown Current
Low Threshold Control Input
Controlled Slew Rate to Avoid Inrush Currents
Quick Output Discharge Transistor
The TPS22924C is available in an ultra-small space-
saving 6-pin CSP package and is characterized for
operation over the free-air temperature range of
–40oC to 85oC.
Figure 1. TYPICAL APPLICATION
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ESD Performance Tested Per JESD 22
SMPS
V IN
V OUT
LOAD
– 5000-V Human-Body Model
(A114-B, Class II)
C IN = 1 μ F
C L
OFF
ON
TPS22924C
C L
R L
– 1000-V Charged-Device Model (C101)
GND
GND
GND
APPLICATIONS
NOTE: SMPS = Switched-mode power supply
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Battery Powered Equipment
Portable Industrial Equipment
Portable Medical Equipment
Portable Media Players
Point Of Sales Terminal
GPS Devices
Digital Cameras
Netbooks / Notebooks
Smartphones
Table 1. FEATURE LIST
r ON (TYP)
AT 3.6 V
SLEW RATE (TYP)
AT 3.6 V
QUICK OUTPUT
DISCHARGE (1)
MAXIMUM OUTPUT
CURRENT
ENABLE
TPS22924C
18.3 m Ω
800 μ s
Yes
2A
Active high
(1)
This feature discharges the output of the switch to ground through a 1250- ? resistor, preventing the output from floating. See the Output
Pulldown section in Application Information.
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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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright ? 2009–2013, Texas Instruments Incorporated
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