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参数资料
| 型号： | TPS22902YFPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA4 |
| 封装： | 0.80 X 0.80 MM, 0.40 MM PITCH, 0.50 MM HEIGHT, GREEN, DSBGA-4 |
| 文件页数： | 1/27页 |
| 文件大小： | 869K |
| 代理商： | TPS22902YFPR |
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1
FEATURES
APPLICATIONS
DESCRIPTION
Laser Marking View
Bump View
B
2
1
A
B
1
2
A
www.ti.com............................................................................................................................................... SLVS803B – NOVEMBER 2008 – REVISED MARCH 2009
ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES
Personal Digital Assistants (PDAs)
Low Input Voltage: 1.0 V to 3.6 V
Cellular Phones
Ultra-Low ON Resistance
GPS Devices
–
rON = 78 m at VIN = 3.6 V
MP3 Players
–
rON = 93 m at VIN = 2.5 V
Digital Cameras
–
rON = 109 m at VIN = 1.8 V
Peripheral Ports
–
rON = 146 m at VIN = 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
TPS22901,
TPS22902,
and
TPS22902B
are
1.2-V/1.8-V/2.5-V/3.3-V Logic
ultra-small, low ON resistance (rON) load switches
with controlled turn on. The devices contain a
Controlled Slew Rate to Avoid Inrush Currents
P-channel MOSFET that operates over an input
–
TPS22901 and TPS22902: 40-
s t
r
voltage range of 1.0 V to 3.6 V. The switch is
–
TPS22902B: 220-
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. In
TPS22902 and in TPS22902B, a 120-
on-chip load
–
2000-V Human-Body Model
resistor is added for output quick discharge when the
(A114-B, Class II)
switch is turned off.
–
1000-V Charged-Device Model (C101)
TPS22901, TPS22902, and TPS22902B are available
Four-Terminal Wafer-Chip-Scale Package
in a space-saving 4-terminal WCSP with 0.4-mm
(WCSP)
pitch (YFP). The devices are characterized for
–
0.8 mm × 0.8 mm, 0.4 mm Pitch,
operation over the free-air temperature range of
0.5 mm Height
–40°C to 85°C.
YFP PACKAGE
TERMINAL ASSIGNMENTS
B
ON
GND
A
VIN
VOUT
2
1
SLEW
rON at 1.8 V
RATE
QUICK OUTPUT
MAX OUTPUT
ENABLE
(TYP)
(TYP at
DISCHARGE(1)
CURRENT
1.8 V)
TPS22901
109 m
40
s
500 mA
Active high
TPS22902
109 m
40
s
Yes
500 mA
Active high
TPS22902B
109 m
220
s
Yes
500 mA
Active high
(1)
This feature discharges the output of the switch to ground through a 120-
resistor, preventing the
output from floating.
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 2008–2009, 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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| TPS22903YFPR | 功能描述:电源开关 IC - 配电 Ultra-Small Low-Inp- Vltg Low rDS Load Sw RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
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