Datasheet > LP2951ACSDX-3.3

LP2951ACSDX-3.3

更新时间： 2024-11-09 22:22:07

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
26页	1200K
描述
Series of Adjustable Micropower Voltage Regulators

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技术参数
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LP2951ACSDX-3.3 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	LLP-8	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.33	可调性：	FIXED/ADJUSTABLE
最大回动电压 1：	0.6 V	标称回动电压 1：	0.38 V
最大绝对输入电压：	30 V	JESD-30 代码：	S-PDSO-N8
JESD-609代码：	e0	长度：	4 mm
最大电网调整率：	0.0066%	最大负载调整率：	0.0066%
湿度敏感等级：	1	功能数量：	1
输出次数：	1	端子数量：	8
工作温度TJ-Max：	125 °C	工作温度TJ-Min：	-40 °C
最大输出电流 1：	0.1 A	最大输出电压 1：	29 V
最小输出电压 1：	1.24 V	标称输出电压 1：	3.3 V
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVSON
封装等效代码：	SOLCC8,.15,32	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	包装方法：	TAPE AND REEL
认证状态：	Not Qualified	调节器类型：	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：	0.8 mm	子类别：	Other Regulators
表面贴装：	YES	技术：	BIPOLAR
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	NO LEAD
端子节距：	0.8 mm	端子位置：	DUAL
最大电压容差：	1.4%	宽度：	4 mm
Base Number Matches：	1

LP2951ACSDX-3.3 数据手册

May 2005

LP2950/LP2951

Series of Adjustable Micropower Voltage Regulators

(.05% typ.) and a very low output voltage temperature coef-

ficient, making the part useful as a low-power voltage refer-

ence.

General Description

The LP2950 and LP2951 are micropower voltage regulators

with very low quiescent current (75µA typ.) and very low

dropout voltage (typ. 40mV at light loads and 380mV at

100mA). They are ideally suited for use in battery-powered

systems. Furthermore, the quiescent current of the LP2950/

LP2951 increases only slightly in dropout, prolonging battery

life.

Features

n 5V, 3V, and 3.3V versions available

n High accuracy output voltage

n Guaranteed 100mA output current

n Extremely low quiescent current

n Low dropout voltage

n Extremely tight load and line regulation

n Very low temperature coefficient

n Use as Regulator or Reference

n Needs minimum capacitance for stability

n Current and Thermal Limiting

n Stable with low-ESR output capacitors (10mΩ to 6Ω)

The LP2950-5.0 is available in the surface-mount D-Pak

package, and in the popular 3-pin TO-92 package for pin-

compatibility with older 5V regulators. The 8-lead LP2951 is

available in plastic, ceramic dual-in-line, LLP, or metal can

packages and offers additional system functions.

One such feature is an error flag output which warns of a low

output voltage, often due to falling batteries on the input. It

may be used for a power-on reset. A second feature is the

logic-compatible shutdown input which enables the regulator

to be switched on and off. Also, the part may be pin-strapped

for a 5V, 3V, or 3.3V output (depending on the version), or

programmed from 1.24V to 29V with an external pair of

resistors.

LP2951 versions only

n Error flag warns of output dropout

n Logic-controlled electronic shutdown

n Output programmable from 1.24 to 29V

Careful design of the LP2950/LP2951 has minimized all

contributions to the error budget. This includes a tight initial

tolerance (.5% typ.), extremely good load and line regulation

Block Diagram and Typical Applications

LP2950

LP2951

00854625

00854601

DS008546

www.national.com

12 3 4 5 6 7...26

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与LP2951ACSDX-3.3相关器件

型号	品牌	获取价格	描述	数据表
LP2951ACSDX-3.3/NOPB	TI	获取价格	LP2950-N/LP2951-N Series of Adjustable Micropower Voltage Regulators
LP2951ACS-L-3.3	EXAR	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.45V Dropout, BIPolar, PDSO8
LP2951ACS-L-3-3	EXAR	获取价格	100mA, LOW DROPOUT VOLTAGE REGULATORS
LP2951ACS-L-3-3	SIPEX	获取价格	100mA Low Dropout Voltage Regulators
LP2951ACS-L-3-3/TR	EXAR	获取价格	100mA, LOW DROPOUT VOLTAGE REGULATORS
LP2951ACS-L-3-3/TR	SIPEX	获取价格	100mA Low Dropout Voltage Regulators
LP2951ACS-L-5.0	SIPEX	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.45V Dropout, BIPolar, PDSO8
LP2951ACS-L-5-0	SIPEX	获取价格	100mA Low Dropout Voltage Regulators
LP2951ACS-L-5-0	EXAR	获取价格	100mA, LOW DROPOUT VOLTAGE REGULATORS
LP2951ACS-L-5-0/TR	EXAR	获取价格	100mA, LOW DROPOUT VOLTAGE REGULATORS

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