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LP2956IN PDF预览

LP2956IN

更新时间: 2024-01-27 23:27:45
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
16页 504K
描述
Dual Micropower Low-Dropout Voltage Regulators

LP2956IN 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP16,.3针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
可调性:ADJUSTABLE最大回动电压 1:0.8 V
标称回动电压 1:0.8 V最大回动电压 2:0.85 V
JESD-30 代码:R-PDIP-T16JESD-609代码:e3
长度:21.755 mm最大电网调整率 (%/V):0.4
最大负载调整率 (%):0.3%湿度敏感等级:1
功能数量:1输出次数:2
端子数量:16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
最大输出电流 2:0.075 A最大输出电压 1:5.12 V
最小输出电压 1:4.88 V标称输出电压 1:5 V
最大输出电压 2:29 V最小输出电压 2:1.23 V
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP16,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):260
认证状态:Not Qualified调节器类型:FIXED/ADJUSTABLE POSITIVE MULTIPLE OUTPUT LDO REGULATOR
座面最大高度:5.08 mm子类别:Other Regulators
表面贴装:NO技术:BIPOLAR
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:7.62 mm

LP2956IN 数据手册

 浏览型号LP2956IN的Datasheet PDF文件第2页浏览型号LP2956IN的Datasheet PDF文件第3页浏览型号LP2956IN的Datasheet PDF文件第4页浏览型号LP2956IN的Datasheet PDF文件第5页浏览型号LP2956IN的Datasheet PDF文件第6页浏览型号LP2956IN的Datasheet PDF文件第7页 
May 1999  
LP2956/LP2956A  
Dual Micropower Low-Dropout Voltage Regulators  
General Description  
Features  
n Output voltage adjusts from 1.23V to 29V  
n Guaranteed 250 mA current (main output)  
n Auxiliary LDO (75 mA) adjustable output  
n Auxiliary comparator with open-collector output  
n Shutdown pin for main output  
n Extremely low quiescent current  
n Low dropout voltage  
The LP2956 is a micropower voltage regulator with very low  
quiescent current (170 µA typical at light loads) and very low  
dropout voltage (typically 60 mV at 1 mA load current and  
470 mV at 250 mA load current on the main output).  
The LP2956 retains all the desirable characteristics of the  
LP2951, but offers increased output current (main output),  
an auxiliary LDO adjustable regulated output (75 mA), and  
additional features.  
n Extremely tight line and load regulation  
n Very low temperature coefficient  
n Current and thermal limiting  
The auxiliary output is always on (regardless of main output  
status), so it can be used to power memory circuits.  
Quiescent current increases only slightly at dropout, which  
prolongs battery life.  
n Reverse battery protection  
The error flag goes low if the main output voltage drops out  
of regulation.  
Applications  
n High-efficiency linear regulator  
n Low dropout battery-powered regulator  
An open-collector auxiliary comparator is included, whose in-  
verting input is tied to the 1.23V reference.  
n µP system regulator with switchable high-current VCC  
Reverse battery protection is provided.  
The parts are available in DIP and surface mount packages.  
Block Diagram  
LP2956  
DS011339-1  
© 1999 National Semiconductor Corporation  
DS011339  
www.national.com  

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