Datasheet Texas Instruments LM317KCS — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | LM317 |
| Numero de parte | LM317KCS |
Regulador de voltaje positivo ajustable de 3/4 pines 1.5A 3-TO-220 0 a 125
Hojas de datos
LM317 3-Terminal Adjustable Regulator datasheet
PDF, 1.2 Mb, Revisión: X, Archivo publicado: sept 14, 2016
Extracto del documento
Precios
Estado
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No |
Embalaje
| Pin | 3 |
| Package Type | KCS |
| Industry STD Term | TO-220 |
| JEDEC Code | R-PSFM-T |
| Package QTY | 50 |
| Carrier | TUBE |
| Device Marking | LM317 |
| Width (mm) | 8.7 |
| Length (mm) | 10.16 |
| Thickness (mm) | 4.58 |
| Pitch (mm) | 2.54 |
| Max Height (mm) | 4.7 |
| Mechanical Data | Descargar |
Paramétricos
| Accuracy | 5 % |
| Features | N/A |
| Iout(Max) | 1.5 A |
| Iq(Typ) | 3.5 mA |
| Noise | 38 uVrms |
| Operating Temperature Range | 0 to 125 C |
| Output Capacitor Type | Non-Ceramic |
| Output Options | Adjustable Output |
| PSRR @ 100KHz | 38 dB |
| Package Group | TO-220 |
| Package Size: mm2:W x L | See datasheet (TO-220) PKG |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Thermal Resistance ОёJA | 24 В°C/W |
| Vdo(Typ) | 2000 mV |
| Vin(Max) | 40 V |
| Vin(Min) | 3 V |
| Vout(Max) | 37 V |
| Vout(Min) | 1.25 V |
Plan ecológico
| RoHS | Obediente |
| Pb gratis | Sí |
Kits de diseño y Módulos de evaluación
- Evaluation Modules & Boards: LM317A-337N-EVM
3-Terminal Adjustable Regulators Evaluation Module
Estado del ciclo de vida: Activo (Recomendado para nuevos diseños)
Notas de aplicación
- High Stability RegulatorsPDF, 104 Kb, Archivo publicado: oct 3, 2002
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This application report discusses improving power supply reliability with IC power regulators. - AN-181 3-Terminal Regulator is Adjustable (Rev. B)PDF, 314 Kb, Revisión: B, Archivo publicado: mayo 5, 2013
Until now all of the 3-terminal power IC voltage regulators have a fixed output voltage. In spite of this limitation their ease of use low cost and full on-chip overload protection have generated wide acceptance. Now with the introduction of the LM117 it is possible to use a single regulator for any output voltage from 1.2 V to 37 V at 1.5A. Selecting close-tolerance outp - AN-1061 Power Conversion in Line-Powered Equipment (Rev. B)PDF, 406 Kb, Revisión: B, Archivo publicado: abr 23, 2013
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- Linear power for automated industrial systemsPDF, 1.8 Mb, Archivo publicado: enero 9, 2015
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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 - Linear and Switching Voltage Regulator Fundamental Part 1PDF, 183 Kb, Archivo publicado: marzo 21, 2007
- AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B)PDF, 684 Kb, Revisión: B, Archivo publicado: mayo 6, 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. - Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)PDF, 284 Kb, Revisión: A, Archivo publicado: mayo 5, 2013
When working with voltage regulator circuits the designer is often confronted with the need to calculatethe tolerance of the regulated output voltage. For fixed voltage regulators this problem is easily managedbecause the required information is directly supplied on the semiconductor manufacturer's data sheet. - Fundamental Theory of PMOS LDO Voltage RegulatorsPDF, 66 Kb, Archivo publicado: mayo 7, 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. - AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)PDF, 300 Kb, Revisión: B, Archivo publicado: mayo 6, 2013
This application note discusses the operation and compensation of linear regulators. - A Topical Index of TI LDO Application Notes (Rev. F)PDF, 82 Kb, Revisión: F, Archivo publicado: jun 27, 2019
- LDO Noise Demystified (Rev. A)PDF, 785 Kb, Revisión: A, Archivo publicado: agosto 9, 2017
Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced. - LDO PSRR Measurement Simplified (Rev. A)PDF, 131 Kb, Revisión: A, Archivo publicado: agosto 9, 2017
This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods
Linea modelo
Serie: LM317 (12)
Clasificación del fabricante
- Semiconductors > Analog and Mixed-Signal > Power Management > Linear Regulator (LDO) > Single Channel LDO