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參數(shù)資料
| 型號： | TPS2065DBVT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | GREEN, PLASTIC, SOT-23, 5 PIN |
| 文件頁數(shù)： | 16/40頁 |
| 文件大?。?/td> | 1325K |
| 代理商： | TPS2065DBVT |
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SLVS490I – DECEMBER 2003 – REVISED OCTOBER 2009
Current Sense
A sense FET monitors the current supplied to the load. The sense FET measures current more efficiently than
conventional resistance methods. When an overload or short circuit is encountered, the current-sense circuitry
sends a control signal to the driver. The driver in turn reduces the gate voltage and drives the power FET into its
saturation region, which switches the output into a constant-current mode and holds the current constant while
varying the voltage on the load.
Thermal Sense
The TPS206x implements a thermal sensing to monitor the operating temperature of the power distribution
switch. In an overcurrent or short-circuit condition the junction temperature rises. When the die temperature rises
to approximately 140°C due to overcurrent conditions, the internal thermal sense circuitry turns off the switch,
thus preventing the device from damage. Hysteresis is built into the thermal sense, and after the device has
cooled approximately 10 degrees, the switch turns back on. The switch continues to cycle off and on until the
fault is removed. The open-drain false reporting output (OCx) is asserted (active low) when an overtemperature
shutdown or overcurrent occurs.
Undervoltage Lockout
A voltage sense circuit monitors the input voltage. When the input voltage is below approximately 2 V, a control
signal turns off the power switch.
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REVISION HISTORY
Changes from Original (December 2003) to Revision A
Page
Added devices to the data sheet- TPS2063, TPS2065, TPS2066, TPS2067 ...................................................................... 1
Added the General Switch Catalog ....................................................................................................................................... 1
Changes from Revision A (July 2004) to Revision B
Page
Changed Features Bullet From: UL Pending To: UL Listed - File No. E169910 .................................................................. 1
Changed Electrical Characteristics - CURRENT LIMIT information. .................................................................................... 4
Changes from Revision C (January 2006) to Revision D
Page
Changed ORDERING INFORMATION table ........................................................................................................................ 2
Changes from Revision D (Februaty 2007) to Revision E
Page
Changed General Switch Catalog information. ..................................................................................................................... 1
Changes from Revision E (September 2007) to Revision F
Page
Added the DBV-5 package. .................................................................................................................................................. 1
Added the DBV-5 package option. ....................................................................................................................................... 1
Added the DBV-5 package option to the Dissipation Ratings table. .................................................................................... 3
Changed Thermal Sense paragraph: From: Once the die temperature rises to approximately 140°C To: Once the
die temperature rises above a minimum of 135°C ............................................................................................................. 17
Copyright 2003–2009, Texas Instruments Incorporated
23
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2065DBVT | 制造商:Texas Instruments 功能描述:IC POWER LOAD SWITCH HIGH SIDE 5.5V 制造商:Texas Instruments 功能描述:IC, POWER LOAD SWITCH, HIGH SIDE, 5.5V, |
| TPS2065DDBVR | 功能描述:IC PWR DIST SWITCH SOT23-5 制造商:texas instruments 系列:* 包裝:剪切帶（CT） 零件狀態(tài):在售 開關(guān)類型:通用 輸出數(shù):1 比率 - 輸入:輸出:1:1 輸出配置:高端 輸出類型:N 通道 接口:開/關(guān) 電壓 - 負(fù)載:4.5 V ~ 5.5 V 電壓 - 電源（Vcc/Vdd）:不需要 電流 - 輸出（最大值）:1A 導(dǎo)通電阻（典型值）:96 毫歐 輸入類型:非反相 特性:狀態(tài)標(biāo)志 故障保護(hù):限流（固定），超溫，UVLO 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:SC-74A，SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1 |
| TPS2065DDBVT | 功能描述:IC PWR DIST SWITCH SOT23-5 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 開關(guān)類型:通用 輸出數(shù):1 比率 - 輸入:輸出:1:1 輸出配置:高端 輸出類型:N 通道 接口:開/關(guān) 電壓 - 負(fù)載:4.5 V ~ 5.5 V 電壓 - 電源（Vcc/Vdd）:不需要 電流 - 輸出（最大值）:1A 導(dǎo)通電阻（典型值）:96 毫歐 輸入類型:非反相 特性:狀態(tài)標(biāo)志 故障保護(hù):限流（固定），超溫，UVLO 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:SC-74A，SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1 |
| TPS2065DG4 | 功能描述:電源開關(guān) IC - USB Sngl 1A Crnt-Lit Pwr-Dstibtn Switches RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TPS2065DGN | 功能描述:電源開關(guān) IC - USB Sngl 1A Crnt-Lit Pwr-Dstibtn Switches RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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