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参数资料
| 型号： | STMPS2262MTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4 I/O, PIA-GENERAL PURPOSE, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 1/18页 |
| 文件大小： | 344K |
| 代理商： | STMPS2262MTR |
Preliminary Data
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
December 2008
Rev 1
1/18
18
STMPS2242, STMPS2252
STMPS2262, STMPS2272
Enhanced dual channel power switches
Features
■ 100 m
Ω high-side MOSFET switch
■ 500 mA/1000 mA continuous current per
channel
■ Thermal protection
■ Independent short-circuit protection with
overcurrent logic output
■ Operating range from 2.7 V to 5.5 V
■ CMOS and TTL compatible inputs
■ 2.5 ms typical rise time
■ Undervoltage lockout
■ 13 A maximum standby supply current
■ Ambient temperature range: -40 °C to 85 °C
■ 8 kV ESD protection
■ Reverse current protection
■ Fault blanking
Description
The STMPS2242/2252/2262/2272 power
distribution switches are intended for applications
where heavy capacitive loads and short circuits
are likely to be encountered. These devices
incorporate 100 m
Ω MOSFET high-side power
switches for power distribution systems that
require multiple power switches in a single
package.
Each switch is controlled by an independent logic
enable input. When the output load exceeds the
current limit threshold or a short is present, these
devices limit the output current to a safe level by
switching into a constant current mode, pulling the
overcurrent (OCx) logic output low. 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.
SO-8
MSOP8
Table 1.
Device summary
Order code
Current limit
(mA)
Enable
Packing
SO-8
MSOP8(1)
STMPS2242MTR
STMPS2242TTR
500
Active low
Tape and reel
STMPS2252MTR
STMPS2252TTR
500
Active high
Tape and reel
STMPS2262MTR
STMPS2262TTR
1000
Active low
Tape and reel
STMPS2272MTR
STMPS2272TTR
1000
Active high
Tape and reel
1.
MSOP8 is also known as TSSOP8.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STMPS2262TTR | 功能描述:开关 IC - 各种 Enhanced Dual CHNL Power Switch RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
| STMPS2272 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Enhanced Power Switch |
| STMPS2272MTR | 功能描述:电源开关 IC - 配电 Enhanced dual ch Power Switches 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 |
| STMPS2272TTR | 功能描述:电源开关 IC - 配电 Enhanced dual ch Power Switches 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 |
| STM-R-EN-3 | 功能描述:步进电机 RoHS:否 制造商:Applied Motion 连接:Series 框架大小 (NEMA):23 步距角:1.8 deg 管脚或导线计数:8 电压额定值:3.3 V 电流额定值:2.12 A 最小保持力矩:177 oz-in 转子惯性:1.64 oz-in-sq 尺寸:54.1 mm x 56.4 mm x 56.4 mm |
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