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參數資料
| 型號： | TPS2012AD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 1/30頁 |
| 文件大小： | 1185K |
| 代理商： | TPS2012AD |
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1
FEATURES
DESCRIPTION
TPS2014600mA
TPS20151 A
TPS2041B500mA
TPS2051B500mA
TPS2045A
250mA
TPS2049100mA
TPS2055A
250mA
TPS20611 A
TPS20651 A
TPS20681.5 A
TPS20691.5 A
TPS201xA
0.2 A -2 A
TPS202x0.2 A -2 A
TPS203x0.2 A -2 A
SLVS189C – DECEMBER 1998 – REVISED SEPTEMBER 2007
www.ti.com
POWER-DISTRIBUTION SWITCHES
33-m (5-V Input) High-Side MOSFET Switch
Short-Circuit and Thermal Protection
Operating Range . . . 2.7 V to 5.5 V
Logic-Level Enable Input
Typical Rise Time. . . 6.1 ms
Undervoltage Lockout
Maximum Standby Supply Current. . . 10 μA
No Drain-Source Back-Gate Diode
Available in 8-pin SOIC and 14-Pin TSSOP
Packages
Ambient Temperature Range, –40°C to 85°C
2-kV Human-Body-Model, 200-V
Machine-Model ESD Protection
The TPS201xA family of power distribution switches is intended for applications where heavy capacitive loads
and short circuits are likely to be encountered. These devices are 50-m
N-channel MOSFET high-side power
switches. The switch is controlled by a logic enable compatible with 5-V logic and 3-V logic. Gate drive is
provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize
current surges during switching. The charge pump requires no external components and allows operation from
supplies as low as 2.7 V.
When the output load exceeds the current-limit threshold or a short is present, the TPS201xA limits the output
current to a safe level by switching into a constant-current mode. When continuous heavy overloads and short
circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal
protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once
the device has cooled sufficiently. Internal circuitry ensures the switch remains off until valid input voltage is
present.
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 1998–2007, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS2012ADG4 | 功能描述:電源開關 IC - 配電 2.0A 2.7-5.5V Single Hi-Side MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2012ADR | 功能描述:電源開關 IC - 配電 2.0A 2.7-5.5V Single Hi-Side MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2012ADRG4 | 功能描述:電源開關 IC - 配電 2.0A 2.7-5.5V Single Hi-Side MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2012APWP | 功能描述:電源開關 IC - 配電 2.0A 2.7-5.5V Single Hi-Side MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| TPS2012APWPG4 | 功能描述:電源開關 IC - 配電 2.0A 2.7-5.5V Single Hi-Side MOSFET RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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