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LP3891ESX-1.5

LP3891ESX-1.5
型号:LP3891ESX-1.5
品牌:NS NS
批号:13+
封装:TO-263
原价:14
数量:355200
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备注:专业分销NS New and original in stock
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详细描述

LP3891ESX-1.5

0.8A Fast-Response Ultra Low Dropout Linear
 
 
Regulators
General Description
The LP3891 is a high current, fast response regulator which
can maintain output voltage regulation with minimum input to
output voltage drop. Fabricated on a CMOS process, the
device operates from two input voltages: Vbias provides
voltage to drive the gate of the N-MOS power transistor,
while Vin is the input voltage which supplies power to the
load. The use of an external bias rail allows the part to
operate from ultra low Vin voltages. Unlike bipolar regulators, the CMOS architectutre consumes extremely low quiescent current at any output load current. The use of an
N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.
The fast transient response of these devices makes them
suitable for use in powering DSP, Microcontroller Core voltages and Switch Mode Power Supply post regulators. The
parts are available in TO-220 and TO-263 packages.
Dropout Voltage: 100 mV (typ) @ 0.8A load current.
Ground Pin Current: 3 mA (typ) at full load.
Shutdown Current: 60 nA (typ) when S/D pin is low.
Precision Output Voltage: 1.5% room temperature accuracy.
 
 
Features
 Ultra low dropout voltage (100mV @ 0.8A typ)
 Low ground pin current
 Load regulation of 0.04%/A
 60 nA typical quiescent current in shutdown
 1.5% output accuracy (25˚C)
 TO-220, TO-263 packages
 Over temperature/over current protection
 −40˚C to +125˚C junction temperature range
 
 
 
Applications
 DSP Power Supplies
 Server Core and I/O Supplies
 PC Add-in-Cards
 Local Regulators in Set-Top Boxes
 Microcontroller Power Supplies
 High Efficiency Power Supplies
 SMPS Post-Regulators
 
 
Because of wholesale price is different from sample price, our website can not state.  Please send your required part number via email to Sales@hkmjd.com or add our skype id mjdccm898 for online talking. As well as welcome you call us : 0755-83957301  We will send offer for you;  Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support !
 
 
 
批发与零售价位不同,无法一一明示,详情请通过邮件或客服咨询(国内销售部电话:0755-83957301,企业QQ: 2850151585), 由于电子元器件价格不稳定,时常有稍许变动,本公司未能及时调整,如您觉得售价不适,请与我们说明并适当议价,谢谢支持。
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