TPS2228数据手册集成电路（IC）的配电开关负载驱动器规格书PDF

描述 Description

The TPS2228 and TPS2221 PC card power interface switches provide an integrated power management solution for both dual and single PC card sockets. The TPS2228 is a dual-slot power interface switch for serial PCMCIA controllers. The TPS2221 is a single-slot power interface switch for parallel PCMCIA controllers. These power interface switches support the distribution of 3.3 V, 5 V and 1.8 V to the PC card slot while providing current-limiting protection with overcurrent reporting.

特性 Features

• Provides S-CARD abd M-CARD Power Management for CableCARD™ Applications
• Fully Integrated VCC and VPP/VCORE Switching
• Meets PC Card Standards
• VPP/VCORE Output Programmed Independent of VCC
• TTL-Logic Compatible Inputs
• Short Circuit and Thermal Protection
• 20-Pin HTSSOP or 30-Pin SSOP (Dual With Serial Interface) Package
• 14-pin HTSSOP Package (Single With Parallel Interface)
• 95 µA Typ Quiescent Current on 3.3 VIN Input (Dual With Serial Interface)
• 64 µA Typ Quiescent Current on 3.3 VIN Input (Single With Parallel Interface)
• Break-Before-Make Switching
• Power On Reset
• –40°C to 85°C Ambient Operating Temperature Range
• APPLICATIONS
- Notebook/Desktop Computers
• Personal Digital Assistants (PDAs)
• Digital Cameras
• Bar-code Scanners
CableCard is a trademark of Cable Television Laboratories, Inc. All other trademarks are the property of their respective owners.