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LP2957數(shù)據(jù)手冊集成電路(IC)的線性+開關穩(wěn)壓器規(guī)格書PDF

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廠商型號

LP2957

參數(shù)屬性

LP2957 封裝/外殼為TO-263-6,D2Pak(5 引線 + 接片),TO-263BA;包裝為卷帶(TR);類別為集成電路(IC)的線性+開關穩(wěn)壓器;產(chǎn)品描述:IC REG LIN 5V 250MA DDPAK/TO263

功能描述

具有電源正常指示功能的 250mA、30V、低壓降穩(wěn)壓器

封裝外殼

TO-263-6,D2Pak(5 引線 + 接片),TO-263BA

制造商

TI Texas Instruments

中文名稱

德州儀器 美國德州儀器公司

數(shù)據(jù)手冊

下載地址下載地址二

更新時間

2025-8-19 20:12:00

人工找貨

LP2957價格和庫存,歡迎聯(lián)系客服免費人工找貨

LP2957規(guī)格書詳情

描述 Description

The LP2957 is a 5V micropower voltage regulator with electronic shutdown, error flag, very low quiescent current (150?μA typical at 1?mA load), and very low dropout voltage (470?mV typical at 250?mA load current).Output can be wired for snap-on/snap-off operation to eliminate transition voltage states where μP operation may be unpredictable. Output crowbar (50?mA typical pull-down current) will bring down the output quickly when the regulator snaps off or when the shutdown function is activated.The part has tight line and load regulation (0.04% typical) and low output temperature coefficient (20 ppm/°C typical).The accuracy of the 5V output is ensured at room temperature and over the full operating temperature range.The LP2957 is available in the five-lead TO-220 and DDPAK/TO-263 packages.

特性 Features

? 5V Output within 1.4% Over Temperature (A Grade)
? Easily Programmed for Snap-On/Snap-Off Output
? Ensured 250?mA Output Current
? Extremely Low Quiescent Current
? Low Input-Output Voltage Required for Regulation
? Reverse Battery Protection
? Extremely Tight Line and Load Regulation
? Very Low Temperature Coefficient
? Current and Thermal Limiting
? Error Flag Signals when Output is out of Regulation

技術參數(shù)

  • 制造商編號

    :LP2957

  • 生產(chǎn)廠家

    :TI

  • Iout (Max) (A)

    :0.25

  • Vin (Max) (V)

    :30

  • Vin (Min) (V)

    :-20

  • Vout (Max) (V)

    :5

  • Vout (Min) (V)

    :5

  • Fixed output options (V)

    :5

  • Noise (uVrms)

    :320

  • Iq (Typ) (mA)

    :0.15

  • Thermal resistance θJA (°C/W)

    :60

  • Rating

    :Catalog

  • Load capacitance (Min) (μF)

    :2.2

  • Regulated outputs (#)

    :1

  • Features

    :Enable

  • Accuracy (%)

    :2

  • PSRR @ 100 KHz (dB)

    :14

  • Dropout voltage (Vdo) (Typ) (mV)

    :470

  • Operating temperature range (C)

    :-40 to 125

供應商 型號 品牌 批號 封裝 庫存 備注 價格
NS
2016+
TO-263-5
1787
只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
詢價
NATIONAL
24+
TO263-5L
90000
一級代理商進口原裝現(xiàn)貨、假一罰十價格合理
詢價
NS
24+
TO220
20000
全新原廠原裝,進口正品現(xiàn)貨,正規(guī)渠道可含稅??!
詢價
TI(德州儀器)
24+
TO2635
7350
現(xiàn)貨供應,當天可交貨!免費送樣,原廠技術支持!!!
詢價
NS
18+
TO220-5
12500
全新原裝正品,本司專業(yè)配單,大單小單都配
詢價
TI
2018+
26976
代理原裝現(xiàn)貨/特價熱賣!
詢價
NS
25+
TO-263-5
4500
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售!
詢價
NS
00+
TO263/5
75
原裝現(xiàn)貨海量庫存歡迎咨詢
詢價
TI
24+
DDPAK/TO-263|5
71000
免費送樣原盒原包現(xiàn)貨一手渠道聯(lián)系
詢價
NS
24+
SIP5
3629
原裝優(yōu)勢!房間現(xiàn)貨!歡迎來電!
詢價