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參數(shù)資料
| 型號(hào)： | LT1312CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Single PCMCIA VPP Driver/Regulator |
| 中文描述： | FIXED POSITIVE LDO REGULATOR, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 259K |
| 代理商： | LT1312CS8 |
5
LT1312
at 2.4V. The input thresholds are compatible with CMOS
controllers and can be driven from either 5V or 3.3V
CMOS logic. ESD protection diodes limit input excursions
to 0.6V below ground.
VALID Output Pin:
This pin is an open-collector NPN
output which is driven low when the VPP
OUT
pin is in
regulation, i.e., when it is above 11V. An external 51k pull-
up resistor is connected between this output and the same
5V or 3.3V logic supply powering the PCMCIA compatible
control logic.
V
CC
Sense Pin:
A built-in comparator and 4V reference
automatically switches the VPP
OUT
from 5V to 3.3V de-
pending upon the voltage sensed at the PCMCIA card
socket V
CC
pin. The input current for this pin is approxi-
mately 30
μ
A. For 5V only operation, connect the Sense pin
directly to ground. An ESD protection diode limits the
input voltage to 0.6V below ground.
PI
FU
CTIO
N
S
U
U
Supply Pin:
Power is supplied to the device through the
supply pin. The supply pin should be bypassed to ground
if the device is more than 6 inches away from the main
supply capacitor. A bypass capacitor in the range of 0.1
μ
F
to 1
μ
F is sufficient. The supply voltage to the LT1312 can
be loosely regulated between 13V and 20V. See Applica-
tions Information section for more detail.
VPP
OUT
Pin:
This regulated output supplies power to the
PCMCIA card VPP pins which are typically tied together
at the card socket. The VPP
OUT
output is current limited
to approximately 330mA. Thermal shutdown provides a
second level of protection. A 1
μ
F to 10
μ
F tantalum output
capacitor is recommended. See Applications Informa-
tion section for more detail on output capacitor consid-
erations.
Input Enable Pins:
The two digital input pins are high
impedance inputs with approximately 20
μ
A input current
BLOCK DIAGRA
M
W
–
+
–
+
VPP
OUT
V
CC
V
S
EN0
EN1
VALID
LT1312 BD
11V
LOW DROPOUT
LINEAR
REGULATOR
VOLTAGE
LOGIC CONTROL
4V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1312 | PCMCIA Driver/Regulator(PCMCIA（個(gè)人計(jì)算機(jī)存儲(chǔ)卡國(guó)際協(xié)會(huì)）驅(qū)動(dòng)器/穩(wěn)壓器) |
| LT1316CS8 | Micropower DC/DC Converter with Programmable Peak Current Limit |
| LT1316CMS8 | Micropower DC/DC Converter with Programmable Peak Current Limit |
| LT1316 | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-SOIC 0 to 70 |
| LT1316IS8 | SPDT, 1/4 Amp Two Circuit Pushbutton |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1313 | 制造商:LINER 制造商全稱(chēng):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(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 標(biāo)準(zhǔn)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(lèi)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(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(lèi)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(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 標(biāo)準(zhǔn)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(lèi)型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件 |
| LT1313CS#TRPBF | 功能描述:IC DRV/REG PCMCIA VPP DL 16SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(lèi)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) |
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