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| 型號(hào)： | LP8340IDT-2.5 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSSO2 |
| 封裝： | DPAK-3 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 304K |
| 代理商： | LP8340IDT-2.5 |
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LP8340
Low Dropout, Low I
Q
, 1.0A CMOS Linear Regulator
General Description
The LP8340 low-dropout CMOS linear regulator is available
in 5V, 3.3V, 2.5V, 1.8V and adjustable output versions. Pack-
aged in the 6ld LLP package and 3ld DPAK. The LP8340 can
deliver up to 1.0A output current.
Typical dropout voltage is 420mV at 1.0A for the 5.0V ver-
sion, 540mV at 1.0A for the 3.3V version, 670mV at 1.0A for
the 2.5V version and 680mV at 800mA for the 1.8V version.
The LP8340 includes a zener trimmed bandgap voltage
reference, foldback current limiting and thermal overload
limiting.
The LP8340 features a PMOS output transistor which unlike
PNP type low dropout regulators requires no base drive
current. This allows the device ground current to remain less
than 50μA over operating temperature, supply voltage and
irrespective of the load current.
Features
n
±
1.5% Typical V
OUT
tolerance
n
420mV Typical Dropout
@
1.0A (V
O
= 5V)
n
Wide Operating Range
n
Internal 1.0A PMOS Output Transistor
n
19μA Typical Quiescent Current
n
Thermal Overload Limiting
n
Foldback Current Limiting
n
Zener Trimmed Bandgap Reference
n
Space saving LLP package
n
Temperature Range
— LP8340C
— LP8340I
2.7V to 10V
0C to 125C
40C to 125C
Applications
n
Hard Disk Drives
n
Notebook Computers
n
Battery Powered Electronics
n
Portable Instrumentation
Typical Applications
Fixed V
OUT
20060901
Adjustable V
OUT
20060902
October 2003
L
Q
,
2003 National Semiconductor Corporation
DS200609
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP8340IDT-3.3 | Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
| LP8340IDT-5.0 | Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
| LP8340IDTX-1.8 | Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
| LP8340IDTX-2.5 | Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
| LP8340IDTX-3.3 | Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP8340IDT-3.3 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Dropout, Low IQ, 1.0A CMOS Linear Regulator |
| LP8340IDT-3.3/NOPB | 功能描述:IC REG LDO 3.3V 1A TO-252 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最小）:420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
| LP8340IDT-5.0 | 制造商:Texas Instruments 功能描述: |
| LP8340IDT-5.0/NOPB | 功能描述:IC REG LDO 5V 1A TO-252 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最?。?420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
| LP8340IDTX-1.8 | 功能描述:IC REG LDO 1.8V 1A TO-252 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最?。?420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
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