Datasheet > SPX2950CN-L-3.3/TR

SPX2950CN-L-3.3/TR

更新时间： 2024-11-28 14:44:55

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
13页	134K
描述
Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PBCY3, LEAD FREE, TO-92, 3 PIN

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中文翻译

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技术参数
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SPX2950CN-L-3.3/TR 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Transferred	零件包装代码：	TO-92
包装说明：	, SIP3,.1,50	针数：	3
Reach Compliance Code：	compliant	风险等级：	5.01
可调性：	FIXED	标称回动电压 1：	0.3 V
最大绝对输入电压：	30 V	JESD-609代码：	e3
最大电网调整率：	0.0066%	最大负载调整率：	0.0066%
输出次数：	1	端子数量：	3
工作温度TJ-Max：	125 °C	工作温度TJ-Min：	-40 °C
最大输出电流 1：	0.15 A	标称输出电压 1：	3.3 V
封装主体材料：	PLASTIC/EPOXY	封装等效代码：	SIP3,.1,50
包装方法：	TAPE AND REEL	认证状态：	Not Qualified
子类别：	Other Regulators	表面贴装：	NO
技术：	BIPOLAR	端子面层：	Matte Tin (Sn)
端子节距：	1.27 mm	端子位置：	SINGLE
最大电压容差：	2.4%	Base Number Matches：	1

SPX2950CN-L-3.3/TR 数据手册

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SPX2950/SPX2951

150mA Low Dropout Voltage Regulator

TO-92 (N)

8-Pin Surface Mount (S)

FEATURES

INPUT

OUTPUT

SENSE

FEEDBACK

■ 5.0V and 3.3V at 150mA Output

■ Accurate: 0.5% for SPX2950A/SPX2951A

■ Very Low Quiescent Current

■ Low Dropout Voltage: 300mV at 150mA

■ Extremely Tight Load and Line Regulation

■ Very Low Temperature Coefficient

■ Current & Thermal Limiting

■ Need Only 1µF for Stability

■ Offered in TO-92 (SPX2950) and SOIC

(SPX2951)

SHUTDOWN

5V or 3.3V Output

ERROR

GROUND

OUT

GROUND

SPX2950 Bottom View

SPX2951 Top View

Now Available in Lead Free Packaging

APPLICATIONS

■ Battery Powered Systems

■ Cordless Telephones

■ Radio Control Systems

■ Portable/Palm Top/Notebook Computers

■ Portable Consumer Equipment

■ Portable Instrumentation

■ Avionics

■ Direct Replacement for LP2950/LP2951

SPX2951 versions only

■ Error Flag Warns of Output Dropout

■ Logic-Controlled Electronic Shutdown

■ Output Programmable From 1.24 to 30V

■ SMPS Post-Regulator

■ Voltage Reference

■ Automotive Electronics

DESCRIPTION

The SPX2950 and SPX2951 are low power voltage regulators. These devices are an excellent choice for

use in battery-powered applications such as cordless telephones, radio control systems, and portable

computers. TheSPX2950andSPX2951featurelowquiescentcurrent andlowdropoutvoltage(typ.20mV

at100µAand300mVat150mA). Thisincludesatightinitialtoleranceof(0.5%forSPX2950A/SPX2951A),

extremely good load and line regulation (0.05% typ.), and very low output temperature coefficient (20ppm/

°C typ.), making the SPX2950/SPX2951 useful as a low-power voltage reference.

The error flag output feature is used as a power-on reset for warning of a low output voltage, due to a falling

voltage. The logic compatible shutdown feature enables the regulator to be switched ON and OFF. The

SPX2950 is offered in a 3-pin TO-92 package compatible with other 5.0V, 3.3V regulators. The SPX2951

is availiable in an 8-lead SOIC package.

UNREGULATED DC

INPUT

FEEDBACK

OUTPUT

SENSE

180k

Ω

ERROR

FROM

CMOS OR

TTL

AMPLIFIER

330k

Ω

5V TAP

SHUTDOWN

60 mV

60k

Ω

1µF

______

ERROR

ERROR DETECTION

COMPARATOR

TO CMOS OR

TTL

1.23V

REFERENCE

GROUND

Block Diagram of SPX2951, 8 Lead 5V Version

DATE: 11/30/04

SPX2950/SPX2951 150mA Low Dropout Voltage Regulator

12 3 4 5 6 7...13

中文翻译

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与SPX2950CN-L-3.3/TR相关器件

型号	品牌	获取价格	描述	数据表
SPX2950CN-L-5.0	EXAR	获取价格	Fixed Positive LDO Regulator, 5V, 0.5V Dropout, PBCY3, LEAD FREE, TO-92, 3 PIN
SPX2950CN-L-5.0/TR	EXAR	获取价格	Fixed Positive LDO Regulator, 5V, 0.5V Dropout, PBCY3, LEAD FREE, TO-92, 3 PIN
SPX2951	SIPEX	获取价格	150mA Low Dropout Voltage Regulator
SPX2951ACS-3.0	SIPEX	获取价格	150mA Low Dropout Voltage Regulators
SPX2951ACS-3.3	SIPEX	获取价格	150mA Low Dropout Voltage Regulator
SPX2951ACS-3.3/TR	SIPEX	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 30V Max, 0.5V Dropout, BIPolar, PDSO8,
SPX2951ACS-5.0	SIPEX	获取价格	150mA Low Dropout Voltage Regulator
SPX2951ACS-5.0/TR	EXAR	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 30V Max, 0.5V Dropout, BIPolar, PDSO8,
SPX2951ACS-L-3.0	EXAR	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 29V Max, 0.5V Dropout, PDSO8, PLASTIC,
SPX2951ACS-L-3.3/TR	EXAR	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.24V Min, 30V Max, 0.5V Dropout, BIPolar, PDSO8,

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