TPS22901

更新时间： 2024-09-28 05:52:19

品牌	Logo	应用领域
德州仪器 - TI		开关输入元件
页数	文件大小	规格书
25页	707K
描述
ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES

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替代型号

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TPS22901 数据手册

TPS22901, TPS22902, TPS22902B

www.ti.com ............................................................................................................................................... SLVS803B–NOVEMBER 2008–REVISED MARCH 2009

ULTRA SMALL, LOW INPUT VOLTAGE, LOW r_ON, LOAD SWITCHES

FEATURES

APPLICATIONS

•

Personal Digital Assistants (PDAs)

Cellular Phones

GPS Devices

MP3 Players

Digital Cameras

Peripheral Ports

Portable Instrumentation

RF Modules

•

Low Input Voltage: 1.0 V to 3.6 V

•

Ultra-Low ON Resistance

–

r_ON= 78 mΩ at V_IN= 3.6 V

r_ON= 93 mΩ at V_IN= 2.5 V

r_ON= 109 mΩ at V_IN= 1.8 V

r_ON= 146 mΩ at V_IN= 1.2 V

•

500-mA Maximum Continuous Switch Current

Ultra Low Quiescent Current: 82 nA at 1.8 V

Ultra Low Shutdown Current: 44 nA at 1.8 V

DESCRIPTION

Low Control Input Thresholds Enable Use of

1.2-V/1.8-V/2.5-V/3.3-V Logic

TPS22901, TPS22902, and TPS22902B are

ultra-small, low ON resistance (r_ON) load switches

with controlled turn on. The devices contain a

P-channel MOSFET that operates over an input

voltage range of 1.0 V to 3.6 V. The switch is

controlled by an on/off input (ON), which is capable of

interfacing directly with low-voltage control signals. In

TPS22902 and in TPS22902B, a 120-Ω on-chip load

resistor is added for output quick discharge when the

switch is turned off.

•

Controlled Slew Rate to Avoid Inrush Currents

–

TPS22901 and TPS22902: 40-µs t_r

TPS22902B: 220-µs t_r

•

ESD Performance Tested Per JESD 22

–

2000-V Human-Body Model

(A114-B, Class II)

–

1000-V Charged-Device Model (C101)

TPS22901, TPS22902, and TPS22902B are available

in a space-saving 4-terminal WCSP with 0.4-mm

pitch (YFP). The devices are characterized for

operation over the free-air temperature range of

–40°C to 85°C.

•

Four-Terminal Wafer-Chip-Scale Package

(WCSP)

–

0.8 mm × 0.8 mm, 0.4 mm Pitch,

0.5 mm Height

YFP PACKAGE

TERMINAL ASSIGNMENTS

V_IN

GND

V_OUT

Laser Marking View Bump View

SLEW

RATE

(TYP at

1.8 V)

r_ONat 1.8 V

(TYP)

QUICK OUTPUT

DISCHARGE⁽¹⁾

MAX OUTPUT

CURRENT

ENABLE

TPS22901

TPS22902

TPS22902B

109 mΩ

40 µs

500 mA

Active high

Yes

220 µs

(1) This feature discharges the output of the switch to ground through a 120-Ω resistor, preventing the

output from floating.

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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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TPS22901 替代型号

型号	品牌	替代类型	描述	数据表
TPS22904	TI	功能相似	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH
TPS22903	TI	功能相似	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH

与TPS22901相关器件

型号	品牌	获取价格	描述	数据表
TPS22901YFPR	TI	获取价格	ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES
TPS22902	TI	获取价格	ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES
TPS22902B	TI	获取价格	ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES
TPS22902BYFPR	TI	获取价格	ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES
TPS22902YFPR	TI	获取价格	ULTRA SMALL, LOW INPUT VOLTAGE, LOW rON, LOAD SWITCHES
TPS22903	TI	获取价格	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH
TPS22903_10	TI	获取价格	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH
TPS22903YFPR	TI	获取价格	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH
TPS22904	TI	获取价格	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH
TPS22904YFPR	TI	获取价格	ULTRA-SMALL LOW-INPUT-VOLTAGE LOW rON LOAD SWITCH

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