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TPS2205Y

更新时间： 2024-11-08 13:14:51
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德州仪器 - TI 开关PC
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TPS2205Y 数据手册

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TPS2205  
DUAL-SLOT PC CARD POWER-INTERFACE SWITCH  
FOR PARALLEL PCMCIA CONTROLLERS  
SLVS128D OCTOBER 1995 – REVISED JUNE 1998  
DB OR DF PACKAGE  
Fully Integrated V  
Dual-Slot PC Card Interface  
and V Switching for  
pp  
CC  
(TOP VIEW)  
Compatible with Controllers From Cirrus,  
1
30  
5V  
5V  
5V  
Ricoh, O Micro, Intel, and Texas Instruments  
2
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
2
B_VPP_PGM  
B_VPP_VCC  
B_VCC5  
B_VCC3  
NC  
3
A_VPP_PGM  
A_VPP_VCC  
A_VCC5  
A_VCC3  
12V  
3.3-V Low-Voltage Mode  
Meets PC Card Standards  
4
5
12-V Supply Can Be Disabled Except During  
12-V Flash Programming  
6
7
12V  
8
Short Circuit and Thermal Protection  
AVPP  
AVCC  
AVCC  
AVCC  
GND  
NC  
SHDN  
3.3V  
BVPP  
BVCC  
BVCC  
BVCC  
NC  
OC  
3.3V  
3.3V  
9
30-Pin SSOP (DB) and 32-Pin TSSOP (DAP)  
Compatible With 3.3-V, 5-V and 12-V PC Cards  
10  
11  
12  
13  
14  
15  
Low r  
3.3-V V  
(140-mΩ 5-V V  
Switch)  
Switch; 110-mΩ  
CC  
DS(on)  
CC  
Break-Before-Make Switching  
description  
DAP PACKAGE  
(TOP VIEW)  
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 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.  
1
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
5V  
5V  
NC  
5V  
NC  
2
3
B_VPP_PGM  
B_VPP_VCC  
B_VCC5  
NC  
B_VCC3  
12V  
BVPP  
BVCC  
BVCC  
BVCC  
OC  
4
A_VPP_PGM  
A_VPP_VCC  
A_VCC5  
A_VCC3  
12V  
5
6
7
8
9
AVPP  
AVCC  
AVCC  
AVCC  
GND  
SHDN  
NC  
10  
11  
12  
13  
14  
15  
16  
The TPS2205 is backward compatible with the  
TPS2201, except that there is no V connection.  
Bias current is derived from either the 3.3-V input  
pin or the 5-V input pin. The TPS2205 also  
eliminatestheAPWR_GOODandBPWR_GOOD  
pins of the TPS2201.  
NC  
3.3V  
3.3V  
DD  
3.3V  
NC – 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).  
Copyright 1998, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...28

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