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TPS2226 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2226 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page www.ti.com FEATURES APPLICATIONS 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 TPS2223A, TPS2224A DB OR PWP PACKAGE (TOP VIEW) 5V 5V DATA CLOCK LATCH NC 12V† AVPP AVCC AVCC GND RESET 5V NC NC SHDN 12V† BVPP BVCC BVCC NC OC 3.3V 3.3V NC − No internal connection † Pin 7 and 20 are NC for TPS2223A. DESCRIPTION TPS2220A, TPS2223A TPS2224A, TPS2226A SLVS428B – MAY 2002 – REVISED SEPTEMBER 2004 CARDBUS POWER-INTERFACE SWITCHES FOR SERIAL PCMCIA CONTROLLERS • Notebook and Desktop Computers • Single-Slot Switch: TPS2220A Dual-Slot Switches: TPS2223A, TPS2224A, • Bar Code Scanners TPS2226A • Digital Cameras • Fast Current Limit Response Time • Set-Top Boxes • PDAs • Fully Integrated VCC and VPP Switching for 3.3 V, 5 V, and 12 V (no 12 V on TPS2223A) • Meets Current PC Card™ Standards • Vpp Output Selection Independent of VCC • 12-V and 5-V Supplies Can Be Disabled • TTL-Logic Compatible Inputs • Short-Circuit and Thermal Protection • 24-Pin HTSSOP, 24- or 30-Pin SSOP • 140-µA (Typical) Quiescent Current from 3.3-V Input • Break-Before-Make Switching • Power-On Reset • 40 °C to 85°C Operating Ambient Temperature Range The TPS2223A, TPS2224A, and TPS2226A CardBus™ power-interface switches provide an integrated power-management solution for two PC Card sockets. The TPS2220A is a single-slot option for this family of devices. 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 Card specification, and optimized for cost. A faster maximum current limit response time is the only difference between the TPS2223A, TPS2224A, and TPS2226A and the TPS2223, TPS2224, and TPS2226. Like the TPS2214 and TPS2214A and the TPS2216 and TPS2216A, this family of devices supports independent VPP/VCC switching; however, the standby and interface-mode pins are not supported. Shutdown mode is now supported independently on SHDN as well as in the serial interface. Optimized for lower power implementation, the TPS2223A does not support 12-V switching to VPP. See the available options table for pin-compatible device information. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PC Card, CardBus are trademarks of PCMCIA (Personal Computer Memory Card International Association). PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2004, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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