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LP2954AISX/NOPB PDF预览

LP2954AISX/NOPB

更新时间： 2024-02-18 16:04:17
品牌 Logo 应用领域
美国国家半导体 - NSC 输出元件调节器
页数 文件大小 规格书
15页 791K
描述
IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PSSO3, TO-263, 3 PIN, Fixed Positive Single Output LDO Regulator

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LP2954AISX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TO-263, 3 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.47可调性：FIXED
最大回动电压 1：0.8 V标称回动电压 1：0.47 V
最大绝对输入电压：30 V最大输入电压：30 V
最小输入电压：6 VJESD-30 代码：R-PSSO-G3
JESD-609代码：e3长度：10.16 mm
最大电网调整率：0.01%最大负载调整率：0.01%
湿度敏感等级：3功能数量：1
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 1：0.25 A最大输出电压 1：5.07 V
最小输出电压 1：4.93 V标称输出电压 1：5 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP3H,.55TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TAPE AND REEL
峰值回流温度（摄氏度）：245认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：4.6 mm
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：2.54 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：30
最大电压容差：1.4%宽度：8.635 mm
Base Number Matches：1

LP2954AISX/NOPB 数据手册

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April 2005  
LP2954/LP2954A  
5V and Adjustable Micropower Low-Dropout Voltage  
Regulators  
General Description  
Features  
n 5V output within 1.2% over temperature (A grade)  
n Adjustable 1.23 to 29V output voltage available  
(LP2954IM and LP2954AIM)  
The LP2954 is a 5V micropower voltage regulator with very  
low quiescent current (90 µA typical at 1 mA load) and very  
low dropout voltage (typically 60 mV at light loads and  
470 mV at 250 mA load current).  
n Guaranteed 250 mA output current  
n Extremely low quiescent current  
n Low dropout voltage  
The quiescent current increases only slightly at dropout  
(120 µA typical), which prolongs battery life.  
The LP2954 with a fixed 5V output is available in the three-  
lead TO-220 and TO-263 packages. The adjustable LP2954  
is provided in an 8-lead surface mount, small outline pack-  
age. The adjustable version also provides a resistor network  
which can be pin strapped to set the output to 5V.  
n Reverse battery protection  
n Extremely tight line and load regulation  
n Very low temperature coefficient  
n Current and thermal limiting  
n Pin compatible with LM2940 and LM340 (5V version  
only)  
Reverse battery protection is provided.  
The tight line and load regulation (0.04% typical), as well as  
very low output temperature coefficient make the LP2954  
well suited for use as a low-power voltage reference.  
n Adjustable version adds error flag to warn of output drop  
and a logic-controlled shutdown  
Output accuracy is guaranteed at both room temperature  
and over the entire operating temperature range.  
Applications  
n High-efficiency linear regulator  
n Low dropout battery-powered regulator  
Package Outline and Ordering  
Information  
TO-263 3-Lead Plastic Surface-Mount Package  
TO-220 3–Lead Plastic Package  
01112809  
Top View  
01112802  
Front View  
Order Number LP2954AIT or LP2954IT  
See NS Package T03B  
01112810  
Side View  
Order Number LP2954AIS or LP2954IS  
See NS Package TS3B  
SO-8 Small Outline Surface Mount  
01112833  
Top View  
Order Number LP2954AIM or LP2954IM  
See NS Package M08A  
© 2005 National Semiconductor Corporation  
DS011128  
www.national.com  
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