TPS2105-EP

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS2105-EP VAUX Power-Distribution Switch TPS2105-EP SLVSCH2 – JULY 2014 1 Features 2 Applications 1 Dual-Input, Single-Output MOSFET Switch With No Reverse Current Flow (No Parasitic Diodes) IN1: 250-mΩ, 500-mA N-Channel; 18-µA Supply Current IN2: 1.3-mΩ, 100-mA P-Channel; 0.75-µA 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 Package 2-kV Human Body Model, 750-V Charged Device Model, 200-V Machine-Model ESD Protection Supports Defense, Aerospace, and Medical Applications – Controlled Baseline – One Assembly and Test Site – One Fabrication Site – Available in Military (–55°C to 125°C) Temperature Range – Extended Product Life Cycle – Extended Product-Change Notification – Product Traceability Notebook and Desktop PCs Cell phone, Palmtops, and PDAs Battery Management 3 Description The TPS2105 is a dual-input, single-output power switch designed to provide uninterrupted output voltage when transitioning between two independent power supplies. Both devices combine one N-channel (250 mΩ) and one P-channel (1.3-Ω) 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 c...