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TPS2221PWPR
1A Single-Slot CardBay PC Card Power Switch w/Parallel Interface
TPS2228
TPS2221
SLVS419C − MAY 2002 REVISED DECEMBER 2008
PC CARD POWER-INTERFACE SWITCH
FOR PCMCIA CONTROLLERS
FEATURES Provides S−CARD abd M−CARD Power
Management for CableCARDTM 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
DESCRIPTIONThe 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.
ORDERING INFORMATION(1)(1) Both DB and PWP packages are available taped and reeled
(indicated by the R suffix on the device type; e.g.,
TPS2228PWPR).
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