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TPS2201DF

更新时间： 2024-11-09 22:50:43
品牌 Logo 应用领域
德州仪器 - TI 开关PC
页数 文件大小 规格书
23页 478K
描述
DUAL-SLOT PC CARD POWER-INTERFACE SWITCHES FOR PARALLEL PCMCIA CONTROLLERS

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TPS2201DF 数据手册

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TPS2201, TPS2201Y  
DUAL-SLOT PC CARD POWER-INTERFACE SWITCHES  
FOR PARALLEL PCMCIA CONTROLLERS  
SLVS094B – AUGUST 1994 – REVISED AUGUST 1995  
DB OR DF PACKAGE  
• Fully Integrated V  
and V Switching for  
pp  
CC  
(TOP VIEW)  
Dual-Slot PC Card Interface  
• Compatible With Controllers From Cirrus,  
1
30  
5V  
5V  
5V  
Intel, and Texas Instruments  
2
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
B_VPP_PGM  
B_VPP_VCC  
B_VCC5  
B_VCC3  
3
A_VPP_PGM  
A_VPP_VCC  
A_VCC5  
A_VCC3  
12V  
• Meets PCMCIA Standards  
• Internal Charge Pump (No External  
Capacitors Required) – 12-V Supply Can Be  
Disabled Except for Programming  
4
5
6
V
DD  
7
12V  
• Short Circuit and Thermal Protection  
• Space Saving SSOP (DB) Package  
8
AVPP  
AVCC  
AVCC  
AVCC  
BVPP  
BVCC  
BVCC  
BVCC  
BPWR_GOOD  
OC  
9
10  
11  
12  
13  
14  
15  
• Compatible With 3.3-V, 5-V and 12-V PC  
Cards  
GND  
APWR_GOOD  
SHDN  
• Power Saving I  
= 83 µA Typ, I = 1 µA  
Q
DD  
• Low r  
(160-mΩ V  
Switch)  
CC  
3V  
3V  
DS(on)  
3V  
• Break-Before-Make Switching  
description  
The TPS2201 PC Card (PCMCIA) power interface switch provides an integrated power-management solution  
for two PC Cards. All of the discrete power MOSFETs, a logic section, current limiting, thermal protection, and  
power-good reporting for PC Card control are combined on a single integrated circuit (IC), using Texas  
Instruments LinBiCMOS process. The circuit allows the distribution of 3-V, 5-V and/or 12-V card power and  
is compatible with most PCMCIA controllers. The current-limiting feature eliminates the need for fuses, which  
reduces component count and improves reliability; current-limit reporting can help the user isolate a system fault  
to a bad card.  
The TPS2201 maximizes battery life by generating its own switch-drive voltage using an internal charge pump.  
Therefore, the 12-V supply can be powered down and only brought out of standby when flash memory needs  
to be written to or erased. End equipment for the TPS2201 includes notebook computers, desktop computers,  
personal digital assistants (PDAs), digital cameras, handiterminals, and bar-code scanners.  
typical PC card power distribution application  
V
DD  
Power Supply  
TPS2201  
12V  
5V  
12 V  
5 V  
AVPP  
V
V
V
V
pp1  
pp2  
CC  
PC  
Card A  
3V  
3 V  
AVCC  
AVCC  
AVCC  
CC  
CPU  
SHDN  
8
Control Lines  
APWR_GOOD  
BPWR_GOOD  
OC  
BVPP  
V
V
V
V
pp1  
pp2  
CC  
PCMCIA  
Controller  
PC  
Card B  
BVCC  
BVCC  
BVCC  
CC  
LinBiCMOS is a trademark of Texas Instruments Incorporated.  
Copyright 1995, 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.  
6–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...23

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