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TPS2220BDB-TPS2220BDBR-TPS2220BPWP-TPS2220BPWPR
Single PC Card, Serial Interface, Power Switch
www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
TPS2220BSLVS554–JANUARY 2005
POWER-INTERFACE SWITCHES
FOR SERIAL PCMCIA CONTROLLERS Power-On Reset Single-Slot Switch: TPS2220B •
-40°Cto 85°C Operating Ambient Temperature
Range•
Fast Current Limit Response Time Fully Integrated VCC and VPP Switching for
3.3V,5V, and12V •
Notebook and Desktop Computers•
Meets Current PC Card™ Standards •
Bar Code Scanners•
Vpp Output Selection Independentof VCC •
Digital Cameras•
12-V and 5-V Supplies Can Be Disabled •
Set-Top Boxes
3.3-V Input Break-Before-Make SwitchingThe TPS2220B power-interface switch provides an integrated power-management solution for single Card
sockets. The device allows the controlled distributionof 3.3V,5V, and12Vto one card slot. The current-limiting
and thermal-protection features eliminate the need for fuses. Current-limit reporting helps the user isolatea
system fault. The switch rDS(on) and current-limit values have been set for the peak and average current
requirements statedin the PC Card specification, and optimizedfor cost.
Like the TPS2220A this device supports independent VPP/VCC switching. The TPS2220Bis pin compatible with
the TPA2220A execeptfor pin20of the TPS2220B which hasno connection.
AVAILABLE OPTIONS
PACKAGED DEVICE
PowerPAD™TA PLASTIC SMALL OUTLINE PLASTIC SMALL OUTLINE(DB-24)(1) (PWP-24)(1)-40°Cto 85°C TPS2220BDB TPS2220BPWP
(1) TheDB and PWP packagesare also available taped and reeled. AddR suffixto device type (e.g., TPS2220BPWPR)for taped and
reeled.
