TPS2224A

Features:

* Single-Slot Switch: TPS2220A
   Dual-Slot Switches: TPS2223A, TPS2224A,TPS2226A
* Fast Current Limit Response Time
* Fully Integrated VCC and VPP Switching for
   3.3 V, 5 V, and 12 V (no 12 V on TPS2223A)
* Meets Current PC Card(TM) 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-A (Typical) Quiescent Current from 3.3-V Input
* Break-Before-Make Switching
* Power-On Reset
* 40°C to 85°C Operating Ambient Temperature Range


Application

* Notebook and Desktop Computer
* Bar Code Scanners
* Digital Cameras
* Set-Top Boxes
* PDAs


Pinout




Specifications

		TPA222xA	UNIT
VI Input voltage range for card power	VI(3.3V)	0.3 to 5.5	V
	VI(5V)	0.3 to 5.5	V
	VI(12V)(2)	0.3 to 14	V
Logic input/output voltage		0.3 to 6	V
VO Output voltage	VO(xVCC)	0.3 to 6	V
	VO(xVPP)	0.3 to 14	V
Continuous total power dissipation		See Dissipation Rating Table
IO Output current	IO(xVCC)	Internally Limited
	IO(xVPP)	Internally Limited
TJ Operating virtual junction temperature range		40 to 100	°C
Tstg Storage temperature range		55 to 150	°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds)		260	°C
OC sink current		10	mA

Description

The TPS2223A, TPS2224A, and TPS2226A CardBus(TM) 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 r _DS(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 TPS2223A, TPS2224A, and TPS2226A  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.