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Datasheet Texas Instruments LP2951-50DRG4 — Даташит

ПроизводительTexas Instruments
СерияLP2951
МодельLP2951-50DRG4
Datasheet Texas Instruments LP2951-50DRG4

Микромощные регуляторы напряжения 30 В, 100 мА с отключением 8-SOIC от -40 до 125

Datasheets

LP295x Adjustable Micropower Voltage Regulators with Shutdown datasheet
PDF, 3.7 Мб, Версия: I, Файл опубликован: 12 ноя 2014
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Цены

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Linear Voltage Regulator IC Positive Adjustable (Fixed) 1 Output 100mA 8-SOIC
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Сравнительное тестирование аккумуляторов EVE Energy и Samsung типоразмера 18650

Статус

Статус продуктаВ производстве (Рекомендуется для новых разработок)
Доступность образцов у производителяДа

Корпус / Упаковка / Маркировка

Pin8
Package TypeD
Industry STD TermSOIC
JEDEC CodeR-PDSO-G
Package QTY2500
CarrierLARGE T&R
МаркировкаKY5150
Width (мм)3.91
Length (мм)4.9
Thickness (мм)1.58
Pitch (мм)1.27
Max Height (мм)1.75
Mechanical DataСкачать

Параметры

Точность3 %
Fixed Output Options3,3.3,5 В
Iout(Max)0.1 A
Iq(Typ)0.075 мА
Noise160 uVrms
Рабочий диапазон температурот -40 до 125 C
Output Capacitor TypeNon-Ceramic
Output OptionsAdjustable Output,Fixed Output
PSRR @ 100KHz57 дБ
Package GroupSOIC
Package Size: mm2:W x L8SOIC: 29 mm2: 6 x 4.9(SOIC) PKG
RatingCatalog
Regulated Outputs1
Special FeaturesEnable,Power Good
Thermal Resistance ОёJA52 В°C/W
Vdo(Typ)380 мВ
Vin(Max)30 В
Vin(Min)2 В
Vout(Max)29 В
Vout(Min)1.2 В

Экологический статус

RoHSСовместим

Комплекты разработчика и оценочные наборы

  • Evaluation Modules & Boards: LP2951EVM
    LP2951 Fixed/Adjustable Micropower Low-Dropout (LDO) Regulator Evaluation Module
    Статус продукта: В производстве (Рекомендуется для новых разработок)

Application Notes

  • A Topical Index of TI LDO Application Notes (Rev. F)
    PDF, 82 Кб, Версия: F, Файл опубликован: 27 июн 2019
  • Techniques for accurate PSRR measurements
    PDF, 1.9 Мб, Файл опубликован: 28 окт 2013
  • Fundamental Theory of PMOS LDO Voltage Regulators
    PDF, 66 Кб, Файл опубликован: 7 май 1999
    This report presents a fundamental understanding on the theory of low-dropout voltage regulators using a PMOS FET as the pass element to adjust the output current to the load requirements.
  • Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)
    PDF, 509 Кб, Версия: A, Файл опубликован: 4 июн 2008
  • A Topical Index of TI Supply Voltage Supervisor (SVS) Application Notes
    PDF, 56 Кб, Файл опубликован: 15 июн 2015
  • 3.6V - 5.5V Input LDO Reference Design for MSP430 (Rev. A)
    PDF, 110 Кб, Версия: A, Файл опубликован: 14 июн 2010
    This reference design is presented to help application designers and others who are trying to use the MSP430 in a system with an input voltage in the range of 3.6 V to 5.5 V and who are also interested in using an easy-to-use low-dropout linear regulator (LDO) for a simple design but may not be as concerned about maintaining the highest possible efficiency or longest battery life.
  • Linear and Switching Voltage Regulator Fundamental Part 1
    PDF, 183 Кб, Файл опубликован: 21 мар 2007
  • Low Power 150-mA LDO Linear Regulators. Extended Output Voltage Adjustment Range
    PDF, 41 Кб, Файл опубликован: 11 июн 1999
    The TPS76301 low-dropout (LDO) adjustable linear regulator generates a regulated 1-V output from an input voltage ranging from 3 V to 6 V. The application circuit is based on the application detailed in the TPS76301 data sheet (TI Literature number SLVS181A Figure 21) except for the auxiliary circuit which is shown here in Figure 1.
  • LDO Noise Demystified (Rev. A)
    PDF, 785 Кб, Версия: A, Файл опубликован: 9 авг 2017
    Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced.
  • ESR Stability and the LDO Regulator
    PDF, 83 Кб, Файл опубликован: 7 май 2002
    Choosing an output capacitor for LDO regulators with PNP or PMOS pass element can be difficult to specific ESR requirements. This application note explains why higher ESR capacitors are necessary how to chose them and how to determine whether or not the regulator is stable.
  • AN-1950 Silently Powering Low Noise Applications (Rev. A)
    PDF, 10.5 Мб, Версия: A, Файл опубликован: 22 апр 2013
    This application report explains how to implement a low noise switch mode power supply solution. Itintroduces the sources of noise and explain how to minimize them. A big factor in noise generation andpropagation is the printed circuit board layout. Important basics are discussed. Circuit measurementtechniques are also explained to guide a design engineer towards a low noise but efficient so
  • Battery Charging
    PDF, 146 Кб, Файл опубликован: 21 мар 2007
  • Extending the Input Voltage Range of an LDO Regulator
    PDF, 32 Кб, Файл опубликован: 16 авг 2002
    This application report explains how to use a FET to overcome the input voltage limitation of a linear regulator.
  • 3.6V - 5.5V Input LDO with Dual-Level Output Reference Design for MSP430 (Rev. A)
    PDF, 199 Кб, Версия: A, Файл опубликован: 14 июн 2010
    This reference design is presented to help application designers and others who are trying to use the MSP430 in a system with an input voltage in the range of 3.6 V to 5.5 V and who are also interested in using an easy-to-use low-dropout linear regulator (LDO) for a simple design with extended battery life by putting the MSP430 into a low-power state between operating states.
  • Understanding the Terms and Definitions of LDO Voltage Regulators
    PDF, 197 Кб, Файл опубликован: 21 окт 1999
    This report provides an understanding of the terms and definitions of low dropout (LDO) voltage regulators and describes fundamental concepts including dropout voltage quiescent current standby current efficiency transient response line/load regulation power supply rejection output noise voltage accuracy and power dissipation. Each section includes an example to increase the understandab
  • Simple Power Solution Using LDOs for the DM365 (Rev. A)
    PDF, 104 Кб, Версия: A, Файл опубликован: 11 сен 2009
  • AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B)
    PDF, 684 Кб, Версия: B, Файл опубликован: 6 май 2013
    The purpose of this application report is to aid the user in maximizing the power handling capability of Texas Instruments power packages by using the SOT-223 as an example.
  • Ceramic Capacitors Replace Tantalum Capacitors in LDOs (Rev. A)
    PDF, 44 Кб, Версия: A, Файл опубликован: 13 окт 2006
    With the proper considerations ceramic output capacitors can be used with low dropout regulators (LDO) and DC/DC switching converters that require tantulum output capacitors.
  • Understanding LDO Dropout
    PDF, 52 Кб, Файл опубликован: 9 май 2005
    Not all low dropout (LDO) linear regulator data sheets provide the voltage dropout information needed for all applications. This application report shows a designer how to use an LDO data sheet's specified dropout performance to determine the dropout voltage at other operating conditions.
  • Technical Review of Low Dropout Voltage Regulator Operation And Performance
    PDF, 284 Кб, Файл опубликован: 30 авг 1999
    This application report provides a technical review of low dropout (LDO) voltage regulators and describes fundamental concepts including dropout voltage quiescent current and topologies. The report also includes detailed discussions of load/line regulation efficiency frequency response range of stable ESR and accuracy of LDO voltage regulators.
  • Low-Voltage Current Loop Transmitter
    PDF, 519 Кб, Файл опубликован: 2 авг 2007
  • AN-1482 LDO Regulator Stability Using Ceramic Output Capacitors (Rev. A)
    PDF, 169 Кб, Версия: A, Файл опубликован: 25 апр 2013
    Ultra-low ESR capacitors such as ceramics are highly desirable because they can support fast-changingload transients and also bypass very high frequency noise coming from switching converter powersources which a linear regulator can not reject. However using ultra-low ESR capacitors on the output ofan LDO regulator requires that specific design changes be implemented to ensure loop stabili
  • LDO PSRR Measurement Simplified (Rev. A)
    PDF, 131 Кб, Версия: A, Файл опубликован: 9 авг 2017
    This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods
  • AN-1815 LDOs Ease the Stress of Start-Up (Rev. A)
    PDF, 81 Кб, Версия: A, Файл опубликован: 24 апр 2013
    The LP38851/52/53 devices with soft-start provide a reliable way to ensure that start-up into highcapacitive loads is uneventful and stress free.
  • AN-1061 Power Conversion in Line-Powered Equipment (Rev. B)
    PDF, 406 Кб, Версия: B, Файл опубликован: 23 апр 2013
    This application note describes line-powered equipment and power conversion techniques or methods tosolve those typical power needs.
  • LDO Performance Near Dropout
    PDF, 149 Кб, Файл опубликован: 8 окт 2010
  • Packaging Limits Range of Linear Regulators
    PDF, 75 Кб, Файл опубликован: 8 май 2010
    The power limitations of the physical packaging for a linear regulator device can limit the total output current or the input-to-output voltage differential. This inherent limitation is not always apparent from the product data sheet and must be evaluated during the design phase. This application note shows how the package can limit the operating envelope of a linear regulator.

Модельный ряд

Классификация производителя

  • Semiconductors > Power Management > Linear Regulator (LDO) > Single Channel LDO

Варианты написания:

LP295150DRG4, LP2951 50DRG4

На английском языке: Datasheet Texas Instruments LP2951-50DRG4

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