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LM2991GW-QML PDF预览

LM2991GW-QML

更新时间： 2024-11-23 12:18:39
品牌 Logo 应用领域
德州仪器 - TI 线性稳压器IC调节器电源电路输出元件
页数 文件大小 规格书
15页 391K
描述
LM2991QML Negative Low Dropout Adjustable Regulator

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中文翻译

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LM2991GW-QML 技术参数

生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP16,.4针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.33可调性：ADJUSTABLE
最大回动电压 1：1 V标称回动电压 1：0.6 V
最大输入电压：0.3 V最小输入电压：26 V
JESD-30 代码：R-CDSO-G16长度：9.91 mm
最大电网调整率 (%/V)：0.05最大负载调整率 (%)：0.75%
湿度敏感等级：1功能数量：1
输出次数：1端子数量：16
工作温度TJ-Max：150 °C最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流 1：1 A
最大输出电压 1：25 V最小输出电压 1：2 V
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：SOP
封装等效代码：SOP16,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified调节器类型：ADJUSTABLE NEGATIVE SINGLE OUTPUT LDO REGULATOR
筛选级别：MIL-PRF-38535 Class Q座面最大高度：2.33 mm
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR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：NOT SPECIFIED宽度：6.35 mm
Base Number Matches：1

LM2991GW-QML 数据手册

 浏览型号LM2991GW-QML的Datasheet PDF文件第2页浏览型号LM2991GW-QML的Datasheet PDF文件第3页浏览型号LM2991GW-QML的Datasheet PDF文件第4页浏览型号LM2991GW-QML的Datasheet PDF文件第5页浏览型号LM2991GW-QML的Datasheet PDF文件第6页浏览型号LM2991GW-QML的Datasheet PDF文件第7页 
LM2991QML  
www.ti.com  
SNVS392A –MARCH 2006–REVISED OCTOBER 2011  
LM2991QML Negative Low Dropout Adjustable Regulator  
Check for Samples: LM2991QML  
1
FEATURES  
DESCRIPTION  
The LM2991 is a low dropout adjustable negative  
regulator with a output voltage range between −2V to  
−25V. The LM2991 provides up to 1A of load current  
and features a On /Off pin for remote shutdown  
capability.  
2
•
•
•
•
•
•
•
•
Output Voltage Adjustable From −2V to −25V  
Output Current in Excess of 1A  
Dropout Voltage Typically 0.6V at 1A Load  
Low Quiescent Current  
Internal Short Circuit Current Limit  
Internal Thermal Shutdown with Hysteresis  
TTL, CMOS Compatible ON/OFF Switch  
Functional Complement to the LM2941 Series  
The LM2991 uses new circuit design techniques to  
provide a low dropout voltage, low quiescent current  
and low temperature coefficient precision reference.  
The dropout voltage at 1A load current is typically  
0.6V and a ensured worst-case maximum of 1V over  
the entire operating temperature range. The  
quiescent current is typically 1 mA with a 1A load  
current and an input-output voltage differential greater  
than 3V. A unique circuit design of the internal bias  
supply limits the quiescent current to only 9 mA  
(typical) when the regulator is in the dropout mode  
(VO − VI ≤ 3V).  
APPLICATIONS  
•
•
•
Post Switcher Regulator  
Local, On-card, Regulation  
Battery Operated Equipment  
The LM2991 is short-circuit proof, and thermal  
shutdown includes hysteresis to enhance the  
reliability of the device when inadvertently overloaded  
for extended periods.  
CONNECTION DIAGRAMS  
Package Number NAC0016A (Top View)  
16-Lead CLGA Package  
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 © 2006–2011, Texas Instruments Incorporated  
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LM2991GW-QML 替代型号

型号 品牌 替代类型 描述 数据表
RHFL7913KPA1 STMICROELECTRONICS

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