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首頁>LP3991TL-1.3SLASHNOPB>規(guī)格書詳情

LP3991TL-1.3SLASHNOPB中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

LP3991TL-1.3SLASHNOPB
廠商型號

LP3991TL-1.3SLASHNOPB

功能描述

LP3991 300-mA LDO for Digital Applications

文件大小

676.56 Kbytes

頁面數(shù)量

24

生產(chǎn)廠商 Texas Instruments
企業(yè)簡稱

TI2德州儀器

中文名稱

美國德州儀器公司官網(wǎng)

原廠標(biāo)識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2025-8-1 18:05:00

人工找貨

LP3991TL-1.3SLASHNOPB價格和庫存,歡迎聯(lián)系客服免費人工找貨

LP3991TL-1.3SLASHNOPB規(guī)格書詳情

1 Features

1? Input Voltage From 1.65 V to 4 V

? Output Voltage From 0.8 V to 3 V

? 1% Accuracy at Room Temperature

? 125-mV Dropout at 300-mA Load

? 50-μA Quiescent Current at 1-mA Load

? Inrush Current Controlled to 600 mA

? PSRR 65 dB at 1 kHz

? 100-μs Start-Up Time for 1.5-V VOUT

? Stable With Ceramic Capacitors as Small as 0402

? Thermal-Overload and Short-Circuit Protection

2 Applications

? Post DC-DC Regulator

? Battery Operated Devices

? Hand-Held Information Appliances

3 Description

Operating from a minimum input voltage of 1.65 V,

the LP3991 LDO has been designed to provide fixed

stable output voltages for load currents up to 300 mA.

This device is suitable where accurate low voltages

are required from low input voltage sources and is

therefore suitable for post regulation of switched

mode regulators. In such applications, significant

improvements in performance and EMI can be

realized, with little reduction in overall efficiency. The

LP3991 provides fixed outputs as low as 1.2 V from a

wide input range from 1.65 V to 4 V Using the enable

(EN) pin, the device may be controlled to provide a

shutdown state, in which negligible supply current is

drawn.

The LP3991 is designed to be stable with spacesaving

ceramic capacitors as small as 0402 case

size.

Performance is specified for a –40°C to +125°C

junction temperature range. For output voltage

options, contact your local Texas Instruments sales

office.

供應(yīng)商 型號 品牌 批號 封裝 庫存 備注 價格
TI原廠原包裝
1838+5
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25+
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原廠授權(quán)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源!
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TI
25+
DSBGA-4
16000
原裝優(yōu)勢絕對有貨
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TI/德州儀器
23+
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3759
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24+
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TI(德州儀器)
18+
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23+
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8000
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