TPS2226

TPS2223, TPS2224, TPS2226 DUALĆSLOT CARDBUS POWERĆINTERFACE SWITCHES FOR SERIAL PCMCIA CONTROLLERS SLVS317 − MAY 2001 features applications D Fully Integrated VCC and Vpp Switching for 3.3 V, 5 V, and 12 V (no 12 V on TPS2223) D Meets Current PC Cardt Standards D Vpp Output Selection Independent of VCC D 12-V and 5-V Supplies Can Be Disabled D TTL-Logic Compatible Inputs D Short-Circuit and Thermal Protection D 24-Pin HTSSOP, 24- or 30-Pin SSOP D Notebook and Desktop Computers D Bar Code Scanners D Digital Cameras D Set-Top Boxes D PDAs TPS2223, TPS2224 DB OR PWP PACKAGE (TOP VIEW) D 140-µA (Typical) Quiescent Current from 3.3-V Input D Break-Before-Make Switching D Power-On Reset D −40°C to 85°C Operating Ambient Temperature Range description 5V 5V DATA CLOCK LATCH NC 12V† AVPP AVCC AVCC GND RESET 1 2 3 4 5 6 7 8 9 10 11 12 24 5V 23 NC 22 NC 21 SHDN 20 12V† 19 BVPP 18 BVCC 17 BVCC 16 NC 15 OC 14 3.3V 13 3.3V The TPS2223, TPS2224 and TPS2226 CardBus power-interface switches provide an integrated power-management solution for two NC − No internal connection † Pin 7 and 20 are NC for TPS2223. PC Card sockets. These devices allow the controlled distribution of 3.3 V, 5 V, and 12 V to each card slot. The current-limiting and thermal-protection features eliminate the need for fuses. Current-limit reporting helps the user isolate a system fault. The switch rDS(on) and current-limit values have been set for the peak and average current requirements stated in the PC Ca...