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TPS2205DAP Datasheet

  • TPS2205DAP

  • DUAL-SLOT PC CARD POWER-INTERFACE SWITCH FOR PARALLEL PCMCIA...

  • 463.26KB

  • 28頁

  • TI

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TPS2205
DUAL-SLOT PC CARD POWER-INTERFACE SWITCH
FOR PARALLEL PCMCIA CONTROLLERS
SLVS128D OCTOBER 1995 鈥?REVISED JUNE 1998
D
D
D
D
D
D
D
D
D
D
Fully Integrated V
CC
and V
pp
Switching for
Dual-Slot PC Card鈩?Interface
Compatible with Controllers From Cirrus,
Ricoh, O
2
Micro, Intel, and Texas Instruments
3.3-V Low-Voltage Mode
Meets PC Card Standards
12-V Supply Can Be Disabled Except During
12-V Flash Programming
Short Circuit and Thermal Protection
30-Pin SSOP (DB) and 32-Pin TSSOP (DAP)
Compatible With 3.3-V, 5-V and 12-V PC Cards
Low r
DS(on)
(140-m鈩?5-V V
CC
Switch; 110-m鈩?/div>
3.3-V V
CC
Switch)
Break-Before-Make Switching
DB OR DF PACKAGE
(TOP VIEW)
5V
5V
A_VPP_PGM
A_VPP_VCC
A_VCC5
A_VCC3
12V
AVPP
AVCC
AVCC
AVCC
GND
NC
SHDN
3.3V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
5V
B_VPP_PGM
B_VPP_VCC
B_VCC5
B_VCC3
NC
12V
BVPP
BVCC
BVCC
BVCC
NC
OC
3.3V
3.3V
description
The TPS2205 PC Card power-interface switch
provides an integrated power-management
solution for two PC Cards. All of the discrete
power MOSFETs, a logic section, current limiting,
and thermal protection for PC Card control are
combined on a single integrated circuit (IC), using
the Texas Instruments LinBiCMOS鈩?process.
The circuit allows the distribution of 3.3-V, 5-V,
and/or 12-V card power, and is compatible with
many PCMCIA controllers. The current-limiting
feature eliminates the need for fuses, which
reduces component count and improves
reliability.
The TPS2205 is backward compatible with the
TPS2201, except that there is no V
DD
connection.
Bias current is derived from either the 3.3-V input
pin or the 5-V input pin. The TPS2205 also
eliminates the APWR_GOOD and BPWR_GOOD
pins of the TPS2201.
DAP PACKAGE
(TOP VIEW)
5V
5V
NC
A_VPP_PGM
A_VPP_VCC
A_VCC5
A_VCC3
12V
AVPP
AVCC
AVCC
AVCC
GND
SHDN
NC
3.3V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
5V
NC
B_VPP_PGM
B_VPP_VCC
B_VCC5
NC
B_VCC3
12V
BVPP
BVCC
BVCC
BVCC
OC
NC
3.3V
3.3V
NC 鈥?No internal connection
The TPS2205 features a 3.3-V low-voltage mode that allows for 3.3-V switching without the need for 5 V. This
facilitates low-power system designs such as sleep mode and pager mode where only 3.3 V is available.
End equipment for the TPS2205 includes notebook computers, desktop computers, personal digital assistants
(PDAs), digital cameras, and bar-code scanners.
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.
LinBiCMOS is a trademark of Texas Instruments Incorporated.
PC Card is a trademark 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
漏
1998, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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