參數(shù)資料
型號(hào)： TPS2211Y
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, UUC16
封裝： DIE-16
文件頁(yè)數(shù)： 6/21頁(yè)
文件大小： 330K
代理商： TPS2211Y
TPS2211
SINGLE-SLOT PC CARD POWER INTERFACE SWITCH
FOR PARALLEL PCMCIA CONTROLLERS
SLVS156E – JULY 1997 – REVISED JANUARY 2001
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
0.24
0.22
0.2
0.18
–50
–25
0
25
50
–
Short-Circuit
Output
Current
–
A
12-V VPP SWITCH
SHORT-CIRCUIT CURRENT
vs
JUNCTION TEMPERATURE
0.28
75
100
125
0.26
I OS
(A
VPP)
TJ – Junction Temperature – °C
Figure 24
APPLICATION INFORMATION
overview
PC Cards were initially introduced as a means to add EEPROM (flash memory) to portable computers with
limited onboard memory. The idea of add-in cards quickly took hold; modems, wireless LANs, GPS systems,
multimedia, and hard-disk versions were soon available. As the number of PC Card applications grew, the
engineering community quickly recognized the need for a standard to ensure compatibility across platforms.
To this end, the PCMCIA (Personal Computer Memory Card International Association) was established,
comprised of members from leading computer, software, PC Card, and semiconductor manufacturers. One key
goal was to realize the plug-and-play concept, i.e. cards and hosts from different vendors should be compatible.
PC Card power specification
System compatibility also means power compatibility. The most current set of specifications (PC Card Standard)
set forth by the PCMCIA committee states that power is to be transferred between the host and the card through
eight of the 68 terminals of the PC Card connectors. This power interface consists of two VCC, two Vpp, and four
ground terminals. Multiple VCC and ground terminals minimize connector-terminal and line resistance. The two
Vpp terminals were originally specified as separate signals but are commonly tied together in the host to form
a single node to minimize voltage losses. Card primary power is supplied through the VCC terminals; flash-
memory programming and erase voltage is supplied through the Vpp terminals.
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TPS2214 制造商:Rochester Electronics LLC 功能描述:- Bulk
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