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參數(shù)資料
| 型號： | LT1312 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | PCMCIA Driver/Regulator(PCMCIA（個人計算機存儲卡國際協(xié)會）驅(qū)動器/穩(wěn)壓器) |
| 中文描述： | PCMCIA驅(qū)動程序/穩(wěn)壓器（使用PCMCIA（個人計算機存儲卡國際協(xié)會）驅(qū)動器/穩(wěn)壓器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 223K |
| 代理商： | LT1312 |
1
LT1312
FEATURES
DESCRIPTIO
N
U
The LT
1312 is a member of Linear Technology
Corporation’s family of PCMCIA drivers/regulators. The
LT1312 provides 0V, 3.3V, 5V, 12V and Hi-Z regulated
power to the VPP pin of a PCMCIA card slot from a single
unregulated 13V to 20V supply. When used in conjunction
with a PC card interface controller, the LT1312 forms a
complete minimum component-count interface for palm-
top, pen-based and notebook computers. The VPP output
voltage is selected by two logic compatible digital inputs
which interface directly with industry standard PC card
interface controllers.
Automatic 3.3V to 5V switching is provided by an internal
comparator which continuously monitors the PC card V
CC
supply and automatically adjusts the regulated VPP out-
put to match V
CC
when the VPP = V
CC
mode is selected.
An open-collector VPP VALID output is driven low when
VPP is in regulation at 12V.
The LT1312 is available in an 8-pin SO package.
Single PCMCIA
VPP Driver/Regulator
I
Digital Selection of 0V, V
CC
, 12V or Hi-Z
I
120mA Output Current Capability
I
Internal Current Limiting and Thermal Shutdown
I
Automatic Switching from 3.3V to 5V
I
Powered from Unregulated 13V to 20V Supply
I
Logic Compatible with Standard PCMCIA Controllers
I
1
μ
F Output Capacitor
I
30
μ
A Quiescent Current in Hi-Z or 0V Mode
I
VPP Valid Status Feedback Signal
I
No VPP Overshoot
I
8-Pin SO Packaging
APPLICATIO
S
U
I
Notebook Computers
I
Palmtop Computers
I
Pen-Based Computers
I
Handi-Terminals
I
Bar-Code Readers
I
Flash Memory Programming
V
S
13V TO 20V
3.3V OR 5V
C
OUT
1
μ
TANTALUM
EN0
VPP
OUT
VPP1
VPP2
PCMCIA
CARD SLOT
V
CC
LT1312
EN1
VALID
SENSE
GND
LT1312 TA1
PCMCIA
CARD SLOT
CONTROLLER
+
TYPICAL APPLICATIO
N
U
Typical PCMCIA Single Slot VPP Driver
LT1312 TRUTH TABLE
EN0
0
1
0
0
1
X = DON’T CARE
EN1
0
0
1
1
1
SENSE
X
X
3.0V TO 3.6V
4.5V TO 5.5V
X
VPP
OUT
0V
12V
3.3V
5V
Hi-Z
VALID
1
0
1
1
1
Linear Technology PCMCIA Product Family
DEVICE
LT1312
LT1313
LTC
1314
LTC1315
LTC1470
LTC1472
*NARROW BODY
DESCRIPTION
SINGLE PCMCIA VPP DRIVER/REGULATOR
DUAL PCMCIA VPP DRIVER/REGULATOR
SINGLE PCMCIA SWITCH MATRIX
DUAL PCMCIA SWITCH MATRIX
PROTECTED V
CC
5V/3.3V SWITCH MATRIX
PROTECTED V
CC
AND VPP SWITCH MATRIX
PACKAGE
8-PIN SO
16-PIN SO*
14-PIN SO
24-PIN SSOP
8-PIN SO
16-PIN SO*
, LTC and LT are registered trademarks of Linear Technology Corporation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1312CS8 | 功能描述:IC DRVR/REG PCMCIA VPP SNGL8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| LT1313 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual PCMCIA VPP Driver/Regulator |
| LT1313CS | 功能描述:IC DRV/REG PCMCIA VPP DUAL16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| LT1313CS#PBF | 功能描述:IC DRV/REG PCMCIA VPP DL 16SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR) |
| LT1313CS#TR | 功能描述:IC DRIVER/REG VPP PCMCIA 16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標準包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件 |
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