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LP2956IM/NOPB PDF预览

LP2956IM/NOPB

更新时间: 2024-02-17 08:02:15
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件调节器
页数 文件大小 规格书
21页 682K
描述
DUAL OUTPUT, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PDSO16, SMT-16

LP2956IM/NOPB 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SOP, SOP16,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.7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 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:9.9 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:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
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:1.75 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:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

LP2956IM/NOPB 数据手册

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OBSOLETE  
LP2956, LP2956A  
www.ti.com  
SNVS101E MAY 1999REVISED APRIL 2013  
LP2956/LP2956A Dual Micropower Low-Dropout Voltage Regulators  
Check for Samples: LP2956, LP2956A  
1
FEATURES  
2
Output Voltage Adjusts From 1.23V to 29V  
DESCRIPTION  
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).  
Ensured 250 mA Current (Main Output)  
Auxiliary LDO (75 mA) Adjustable Output  
Auxiliary Comparator With Open-Collector  
Output  
Shutdown Pin for Main Output  
Extremely Low Quiescent Current  
Low Dropout Voltage  
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.  
Extremely Tight Line and Load Regulation  
Very Low Temperature Coefficient  
Current and Thermal Limiting  
Reverse Battery Protection  
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.  
APPLICATIONS  
The error flag goes low if the main output voltage  
drops out of regulation.  
High-Efficiency Linear Regulator  
Low Dropout Battery-Powered Regulator  
An open-collector auxiliary comparator is included,  
whose inverting input is tied to the 1.23V reference.  
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  
Figure 1. LP2956  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1999–2013, Texas Instruments Incorporated  

LP2956IM/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP2956AIMX TI

完全替代

DUAL OUTPUT, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PDSO16, SMT-16
LP2956AIM/NOPB TI

完全替代

IC VREG DUAL OUTPUT, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PDSO16, SMT-16, Fixed/Adjust

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