TPS2105 - 2.7-5.5V 双入/单出 MOSFET，0.5A 主/0.1A 辅助输入、工作态高电平启用、工业温度

TPS2105是TI德州仪器公司的一款无产品，TPS2105是2.7-5.5V 双入/单出 MOSFET，0.5A 主/0.1A 辅助输入、工作态高电平启用、工业温度，本站介绍了TPS2105的封装应用图解、特点和优点、功能等，并给出了与TPS2105相关的TI元器件型号供参考。

TPS2105 - 2.7-5.5V 双入/单出 MOSFET，0.5A 主/0.1A 辅助输入、工作态高电平启用、工业温度 - 无 - 电源多路复用器(MUX) - 德州仪器

产品描述

The TPS2104 and TPS2105 are dual-input, single-output power switches designed to provide uninterrupted output voltage when transitioning between two independent power supplies. Both devices combine one n-channel (250 m) MOSFET with a single output. The p-channel MOSFET (IN2) is used with auxiliary power supplies that deliver lower current for standby modes. The n-channel MOSFET (IN1) is used with a main power supply that delivers higher current required for normal operation. Low on-resistance makes the n-channel the ideal path for higher main supply current when power-supply regulation and system voltage drops are critical. When using the p-channel MOSFET, quiescent current is reduced to 0.75 uA to decrease the demand on the standby power supply. The MOSFETs in the TPS2104 and TPS2105 do not have the parasitic diodes, typically found in discrete MOSFETs, thereby preventing back-flow current when the switch is off.

产品特性

Dual-Input, Single-Output MOSFET Switch With No Reverse Current Flow (No Parasitic Diodes)
IN1 . . . 250-m, 500-mA N-Channel; 18-uA Supply Current
IN2 . . . 1.3-, 100-mA P-Channel; 0.75-uA Supply Current (VAUX Mode)
Advanced Switch Control Logic
CMOS and TTL Compatible Enable Input
Controlled Rise, Fall, and Transition Times
2.7 V to 5.5 V Operating Range
SOT-23-5 and SOIC-8 Package
\x9640°C to 85°C Ambient Temperature Range
Typical Applications
- Notebook and Desktop PCs
- Cell phone, Palmtops, and PDAs
- Battery Management

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