Datasheet

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 SLVSA52C –NOVEMBER 2009–REVISED JUNE 2013
ULTRA-SMALL, LOW-INPUT-VOLTAGE, LOW r
ON
LOAD SWITCH
Check for Samples: TPS22924C
1
FEATURES
DESCRIPTION
The TPS22924C is a small, ultra-low r
ON
load switch
• Integrated Single Load Switch
with controlled turn on. The devices contain N-
• Input Voltage: 0.75 V to 3.6 V
channel MOSFETs that can operate over an input
• Ultra-Low ON Resistance
voltage range of 0.75 V to 3.6 V. An integrated
charge pump biases the NMOS switch to achieve a
– r
ON
= 18.3 mΩ at V
IN
= 3.6 V
minimum switch ON resistance. The switch is
– r
ON
= 18.5 mΩ at V
IN
= 2.5 V
controlled by an on/off input (ON), which is capable of
– r
ON
= 19.6 mΩ at V
IN
= 1.8 V
interfacing directly with low-voltage control signals.
– r
ON
= 19.4 mΩ at V
IN
= 1.2 V
A 1250-Ω on-chip load resistor is added for output
– r
ON
= 20.3 mΩ at V
IN
= 1.0 V
quick discharge when switch is turned off. The rise
time of the device is internally controlled to avoid
– r
ON
= 22.7 mΩ at V
IN
= 0.75 V
inrush current. The TPS22924C features a rise time
• Ultra Small CSP-6 package
of 800 µs at 3.6 V.
0.9 mm x 1.4 mm, 0.5-mm Pitch
The TPS22924C is available in an ultra-small space-
• 2-A Maximum Continuous Switch Current
saving 6-pin CSP package and is characterized for
• Low Shutdown Current
operation over the free-air temperature range of
• Low Threshold Control Input
–40ºC to 85ºC.
• Controlled Slew Rate to Avoid Inrush Currents
Figure 1. TYPICAL APPLICATION
• Quick Output Discharge Transistor
• ESD Performance Tested Per JESD 22
– 5000-V Human-Body Model
(A114-B, Class II)
– 1000-V Charged-Device Model (C101)
NOTE: SMPS = Switched-mode power supply
APPLICATIONS
• 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) SLEW RATE (TYP) QUICK OUTPUT MAXIMUM OUTPUT
ENABLE
AT 3.6 V AT 3.6 V DISCHARGE
(1)
CURRENT
TPS22924C 18.3 mΩ 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 © 2009–2013, 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.