Datasheet

1
FEATURES APPLICATIONS
DESCRIPTION
Laser Marking View
Bump View
B
2 1
A
B
1 2
A
TPS22906
www.ti.com ................................................................................................................................................................................................... SLVS921 – MARCH 2009
ULTRA-SMALL, LOW-INPUT VOLTAGE, LOW r
ON
LOAD SWITCH
• Personal Digital Assistants (PDAs)
• Low Input Voltage: 1.0 V to 3.6 V
• Cellular Phones
• Ultra-Low ON-State Resistance
• GPS Devices
– r
ON
= 90 m Ω at V
IN
= 3.6 V
• MP3 Players
– r
ON
= 100 m Ω at V
IN
= 2.5 V
• Digital Cameras
– r
ON
= 114 m Ω at V
IN
= 1.8 V
• Peripheral Ports
– r
ON
= 172 m Ω at V
IN
= 1.2 V
• Portable Instrumentation
• 500-mA Maximum Continuous Switch Current
• RF Modules
• Ultra Low Quiescent Current: 82 nA at 1.8 V
• Ultra Low Shutdown Current: 44 nA at 1.8 V
• Low Control Input Thresholds Enable Use of
TPS22906 is an ultra-small, low ON-state resistance
1.2-V/1.8-V/2.5-V/3.3-V Logic
(r
ON
) load switch with controlled turn on. The device
contains a P-channel MOSFET that operates over an
• Controlled Slew Rate to Avoid Inrush Current:
input voltage range of 1.0 V to 3.6 V. The switch is
220 µ s t
r
controlled by an on/off input (ON), which is capable of
• ESD Performance Tested Per JESD 22
interfacing directly with low-voltage control signals. A
– 2000-V Human-Body Model
120- Ω on-chip load resistor is added for output quick
(A114-B, Class II)
discharge when the switch is turned off.
– 1000-V Charged-Device Model (C101)
TPS22906 is available in a space-saving 4-terminal
• Four-Terminal Wafer-Chip-Scale Package
WCSP with 0.5-mm pitch (YZV). The device is
(WCSP)
characterized for operation over the free-air
temperature range of – 40 ° C to 85 ° C.
– 0.9 mm × 0.9 mm,
0.5-mm Pitch, 0.5-mm Height
YZV PACKAGE
TERMINAL ASSIGNMENTS
B ON GND
A V
IN
V
OUT
2 1
QUICK
r
ON
at 1.8 V SLEW RATE MAX OUTPUT
DEVICE OUTPUT ENABLE
(TYP) (TYP at 1.8 V) CURRENT
DISCHARGE
(1)
TPS22906 114 m Ω 220 µ s Yes 500 mA Active high
(1) This feature discharges the output of the switch to ground through a 120- Ω resistor, preventing the
output from floating.
ORDERING INFORMATION
T
A
PACKAGE
(1) (2)
ORDERABLE PART NUMBER TOP-SIDE MARKING
– 40 ° C to 85 ° C WCSP – YZV (0.5-mm pitch) Tape and reel TPS22906YZVR _ _ _ 5D_
(3)
(1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging .
(2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com .
(3) The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following character to
designate the wafer fab/assembly site. Pin 1 identifier indicates solder-bump composition (1 = SnPb, • = Pb-free).
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.