1 Features
1• Integrated Single Channel Load Switch
• Input Voltage: 1.5 V to 3.6 V
• ON-Resistance
– rDS(ON) = 63 mΩ at VIN = 3.6 V
– rDS(ON) = 69 mΩ at VIN = 2.5 V
– rDS(ON) = 78 mΩ at VIN = 1.8 V
– r DS(ON) = 87 mΩ at VIN = 1.5 V
• 1-A Maximum Continuous Switch Current
• Integrated Hysteresis Enable Input (ON Pin)
Allows Easy Power-Rail Sequencing
• Controlled Slew Rate Option: 26 μs at 3.6 V
• Quick Output Discharge Transistor
• Ultra-Small CSP-4 Package
• ESD Performance Tested Per JESD 22
– 3000-V Human-Body Model
(A114-B, Class II)
– 1000-V Charged-Device Model (C101)

2 Applications
• Battery-Powered Equipment
• Portable Industrial Equipment
• Portable Medical Equipment
• Portable Media Players
• Point-of-Sales Terminals
• GPS Devices
• Digital Cameras
• Portable Instrumentation
• Smart Phones

3 Description
The TPS22934 is a small, low ON-resistance (rON)
load switch with controlled turnon. The devices contain a P-channel MOSFETs that can operate over
an input voltage range of 1.5 V to 3.6 V.
The switch is controlled by an ON/OFF input (ON),
which has built-in hysteresis (VTH+(typ) = 2.35 V)
allowing an easy use of TPS22934 in power-rail
sequencing applications.
In the TPS22934 a 35-Ω on-chip load resistor is
added for output quick discharge when switch is turned off.
In the TPS22934, the rise time of the device is internally controlled to avoid inrush current. The
TPS22934 features a typical rise time of 26 μs with a
3.6-V input.
The the TPS22934 is available in an ultra-small
space-saving 4-pin CSP package and is
characterized for operation over the free-air
temperature range of –40ºC to 85ºC.