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TPS2223 Datasheet

  • TPS2223

  • 具有串行接口且無 12V 支持的 1A 雙槽位 PC 卡電源開關

  • 780.54KB

  • 34頁

  • TI

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TPS2223, TPS2224, TPS2226
DUAL-SLOT CARDBUS POWER-INTERFACE SWITCHES
FOR SERIAL PCMCIA CONTROLLERS
SLVS317 鈥?MAY 2001
features
applications
D
D
D
D
D
D
D
D
D
D
D
Fully Integrated V
CC
and V
pp
Switching for
3.3 V, 5 V, and 12 V (no 12 V on TPS2223)
Meets Current PC Card
t
Standards
V
pp
Output Selection Independent of V
CC
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-碌A (Typical) Quiescent Current from
3.3-V Input
Break-Before-Make Switching
Power-On Reset
鈥?40擄C to 85擄C Operating Ambient
Temperature Range
D
D
D
D
D
Notebook and Desktop Computers
Bar Code Scanners
Digital Cameras
Set-Top Boxes
PDAs
TPS2223, TPS2224
DB OR PWP PACKAGE
(TOP VIEW)
5V
5V
DATA
CLOCK
LATCH
NC
12V鈥?/div>
AVPP
AVCC
AVCC
GND
RESET
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
5V
NC
NC
SHDN
12V鈥?/div>
BVPP
BVCC
BVCC
NC
OC
3.3V
3.3V
description
The TPS2223, TPS2224 and TPS2226 Card-
NC 鈥?No internal connection
Bus錚?power-interface switches provide an
鈥?Pin 7 and 20 are NC for TPS2223.
integrated power-management solution for two
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 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.
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 TPS2223 does not support 12-V switching to VPP. See the available options table for
pin-compatible device information.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
DB-24
鈥?40擄C to
85擄C
TPS2223DB, TPS2224DB
Pin compatibles
TPS2214, TPS2214A
Pin compatibles
PLASTIC SMALL OUTLINE
DB-30
TPS2226DB
TPS2216, TPS2216A,
TPS2206
PowerPAD錚?PLASTIC
SMALL OUTLINE
(PWP-24)鈥?/div>
TPS2223PWP
TPS2223PWP,
TPS2224PWP
鈥?The DB and PWP packages are also available taped and reeled. Add R suffix to device type (e.g., TPS2223PWPR) for taped and reeled.
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.
PowerPAD is a trademark of Texas Instruments.
CardBus and PC Card are trademarks of PCMCIA (Personal Computer Memory Card International Association).
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2001, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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