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参数资料
| 型号： | TPS22921YFPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, BGA6 |
| 封装： | GREEN, DSBGA-6 |
| 文件页数： | 1/28页 |
| 文件大小： | 1015K |
| 代理商： | TPS22921YFPR |
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1
FEATURES
APPLICATIONS
DESCRIPTION
YFP, YZP, AND YZTPACKAGES
LaserMarkingView
BumpView
C
B
2
1
A
C
B
1
2
A
www.ti.com........................................................................................................................................ SLVS749A – NOVEMBER 2008 – REVISED DECEMBER 2008
LOW INPUT VOLTAGE, ULTRA-LOW rON LOAD SWITCHES
PDAs
Input Voltage: 0.9 V to 3.6 V
Cell Phones
Ultra-Low ON Resistance
GPS Devices
–
rON = 14 m at VIN = 3.6 V
MP3 Players
–
rON = 20 m at VIN = 2.5 V
Peripheral Ports
–
rON = 33 m at VIN = 1.8 V
Portable Media Players
–
rON = 67 m at VIN = 1.2 V
RF Modules
–
rON = 116 m at VIN = 1.0 V
2-A Maximum Continuous Switch Current
Ultra-Low Quiescent Current: 78 nA at 1.8 V
TPS22921, TPS22922, and TPS22922B are ultra-low
Ultra-Low Shutdown Current: 35 nA at 1.8 V
rON
load
switches
with
controlled
turn
on.
TPS22921/2/2B contain an ultra-low rON P-channel
Low Threshold Control Input Enable the use of
MOSFET that can operate over an input voltage
1.2V/1.8V/2.5V/3.3V Logic
range of 0.9 V to 3.6 V. The switch is controlled by an
Controlled Slew Rate to Avoid Inrush Currents
on/off input (ON), which is capable of interfacing
–
TPS22921 and TPS22922: 30
S
directly with low-voltage control signals. In TPS22922
and in TPS22922B, a 120-
on-chip load resistor is
–
TPS22922B: 200
S
added for output quick discharge when switch is
ESD Performance Tested Per JESD 22
turned off. The rise time (slew rate) of the device is
–
3000-V Human-Body Model
internally controlled in order to avoid inrush current:
(A114-B, Class II)
TPS22921 and TPS22922 feature a 30
s rise time
whereas TPS22922B is 200
s.
–
1000-V Charged-Device Model (C101)
Six Terminal Wafer-Chip-Scale Package
TPS22921, TPS22922, and TPS22922B feature ultra
low quiescent and shutdown current and are available
–
0.9 mm × 1.4 mm, 0.5 mm Pitch,
in
space-saving
6-terminals
wafer-chip-scale
0.5 mm Height
packages (WCSP: YZP with 0.5-mm pitch and YFP
–
0.8 mm × 1.2 mm, 0.4 mm Pitch,
with 0.4-mm pitch) which make it ideal for portable
0.5 mm Height
electronics.
The
devices
are
characterized
for
operation over the free-air temperature range of
–40°C to 85°C.
TERMINAL ASSIGNMENTS
C
ON
GND
B
VIN
VOUT
A
VIN
VOUT
2
1
rON AT 1.8 V
SLEW RATE
QUICK OUTPUT
MAX OUTPUT
ENABLE
(TYP)
(TYP at 1.8V)
DISCHARGE(1)
CURRENT
TPS22921
33 m
30
s
2 A
active high
TPS22922
33 m
30
s
Yes
2 A
active high
TPS22922B
33 m
200
s
Yes
2 A
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.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2008, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS22921YZPR | 功能描述:电源开关 IC - 配电 Low Inp Vltg 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 |
| TPS22921YZTR | 功能描述:电源开关 IC - 配电 Low Inp Vltg 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 |
| TPS22922BEVM | 功能描述:交换机 IC 开发工具 TPS22922B Load Sw Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| TPS22922BEVM | 制造商:Texas Instruments 功能描述:TPS22922B, LOAD SWITCH, EVALUATION MODUL |
| TPS22922BYFPR | 功能描述:电源开关 IC - 配电 Low Input Voltage, Ultra-Low Ron Switch 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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