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參數資料
| 型號： | ST890B |
| 英文描述： | 1.2 CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| 中文描述： | 1.2高壓側電流限制與熱關斷 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 148K |
| 代理商： | ST890B |
1/7
September 2002
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2.7V TO 5.5V INPUT RANGE
PROGRAMMABLE CURRENT LIMIT UP TO
1.2A
LOW QUIESCENT CURRENT
THERMAL SHUTDOWN
FAULT INDICATOR OUTPUT
90m
(TYP.) ON RESISTANCE
SO-8 PACKAGE
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DESCRIPTION
The ST890 is a low voltage, P-Channel MOSFET
power switch intended for high side load switching
applications.
This switch operates with inputs from 2.7V ti 5.5V,
making it ideal for both 3V and 5V systems.
Internal current limiting circuitry protects the input
supply
against
overload.
Thermal
overload
protection limits power dissipation and junction
temperatures.
The ST890’s maxmimum current limits is 1.2A.
The current limit through the switch is programed
with a resistor from SET to groung. The ST890 is
available in SO-8 package. Main applications are:
PCMCIA
slots,
Access
equipment.
bus
slots,
Portable
ORDERING CODES
Type
Temperature
Range
Package
Comments
ST890CD
ST890CDR
ST890BD
ST890BDR
0 to 70 °C
0 to 70 °C
-40 to 85 °C
-40 to 85 °C
SO-8 (Tube)
SO-8 (Tape & Reel)
SO-8 (Tube)
SO-8 (Tape & Reel)
50parts per tube / 40tube per box
2500 parts per reel
50parts per tube / 40tube per box
2500 parts per reel
ST890
1.2A CURRENT LIMITED HIGH SIDE WITH
THERMAL SHUTDOWN
SCHEMATIC DIAGRAM
SO-8
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ST890B_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 A current limited high side power switch with thermal shutdown |
| ST890BD | 功能描述:電源開關 IC - 配電 1.2A Hi-Side Switch 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 |
| ST890BDR | 功能描述:電源開關 IC - 配電 1.2A Hi-Side Switch 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 |
| ST890BDR-CUT TAPE | 制造商:ST 功能描述:ST890 Series 1.2 A Limited High Side Power Switch with Thermal Shutdown - SOIC-8 |
| ST890C | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 A current limited high side power switch with thermal shutdown |
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