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SPX2950ACN-L-5.0 PDF预览

SPX2950ACN-L-5.0

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, 5V, 0.5V Dropout, PBCY3, LEAD FREE, TO-92, 3 PIN

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SPX2950ACN-L-5.0 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
Is Samacsys：N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：0.01%
最大负载调整率：0.01%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 1：5 V封装主体材料：PLASTIC/EPOXY
封装等效代码：SIP3,.1,50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：1.5%Base Number Matches：1

SPX2950ACN-L-5.0 数据手册

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®
SPX2950/SPX2951  
150mA Low Dropout Voltage Regulator  
TO-92 (N)  
8-Pin Surface Mount (S)  
FEATURES  
1
2
3
1
2
8
7
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  
3
4
6
5
5V or 3.3V Output  
ERROR  
V
V
IN  
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  
5V  
1
7
8
+
INPUT  
FEEDBACK  
OUTPUT  
2
SENSE  
180k  
Ω
+
_
6
ERROR  
FROM  
CMOS OR  
TTL  
3
AMPLIFIER  
330k  
Ω
5V TAP  
SHUTDOWN  
+
60 mV  
60k  
Ω
1µF  
.
5
______  
ERROR  
+
+
_
.
ERROR DETECTION  
COMPARATOR  
TO CMOS OR  
TTL  
1.23V  
+
4
REFERENCE  
GROUND  
Block Diagram of SPX2951, 8 Lead 5V Version  
DATE: 11/30/04  
SPX2950/SPX2951 150mA Low Dropout Voltage Regulator  
©Copyright 2004 Sipex Corporation  
1
1234567...13

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