 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| Adjustable Positive Voltage Regulator LM317 Adustable Positive Voltage Regulator General Description * The LM317 is an adjustable 3-terminal positive voltage regulator, designed to supply 1A of output current with . voltage adjustable from 1.3V ~ 37V. * The LM317 is available in SOT-223, D-PACK, TO-220 and D2-PACK packages. SOT-223 D-PACK (TO-252) TO-220 D2-PACK (TO-263) Features * * * * Output Voltage adjustable from 1.3V ~ 37V Output current in excess of 1A Internal short circuit protection Internal over temperature protection Applications * PC Motherboard * LCD Monitor * Graphic Card * * * * DVD Player Network Interface Card/Switch Telecom Equipment Printer and other Peripheral Equipment * Output transistors safe area compensation * RoHS Compliance Ordering Information TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Tel: Fax: (800)-TAITRON (800)-824-8766 (800)-TAITFAX (800)-824-8329 (661)-257-6060 (661)-257-6415 Rev. A/DX 2007-06-04 Page 1 of 8 Adjustable Positive Voltage Regulator LM317 Pin Configuration Outline: H SOT-223 Outline: D D-PACK (TO-252) Outline: T TO-220 Outline: MC D2-PACK (TO-263) Block Diagram Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 2 of 8 Adjustable Positive Voltage Regulator LM317 Absolute Maximum Ratings (Ta=25 C, unless otherwise specified) Symbol VIN-VOUT IO TJ TOPR TSTG PD Description Input - Output Voltage Differential Max. Output Current Operating Junction Temperature Operating Temperature Range Storage Temperature Range Power Dissipation Thermal Resistance Junction-Case T: TO-220 MC: D2-PACK (TO-263) D: D-PACK (TO-252) H: SOT-223 T: TO-220 MC: D2-PACK (TO-263) D: D-PACK (TO-252) H: SOT-223 Ratings 40 1.0 125 -40 ~ 85 -40 ~ 150 Internal limited 5 5 12 23 54 64 112 165 Unit V A C C C mW RthJC C/W RthJA Thermal Resistance Junction-Ambient C/W Note: Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device could be damaged beyond Absolute maximum ratings. Electrical Characteristics (VIN-VOUT=5V, IOUT=10mA, TA=25C, unless otherwise specified) Symbol VOUT/VOUT VOUT IADJ IADJ VREF Description Line Regulation Load Regulation Adjustable Pin Current Adjustable Pin Current Change Reference Input Voltage Temperature Stability LM317 Min. Typ. Max. Unit %/V mV mV A A V %/VOUT Conditions 3VVIN-VOUT40V 10mAIOUT1A, VOUT5V 10mAIOUT1A, VOUT5V 3VVIN-VOUT40V, 1.20 - 0.01 5 0.1 50 0.2 1.25 0.7 0.04 25 0.5 100 5 1.30 - 10mAIOUT1A, PD20W 3VVIN-VOUT40V, 10mAIOUT1A, PD20W TMINTJTMAX Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 3 of 8 Adjustable Positive Voltage Regulator LM317 Symbol IL(MIN) IO(MAX) eN RR Description Minimum Load Current for Regulation Maximum Output Current RMS Noise vs. %of VOUT Ripple Rejection CADJ=0 CADJ=10F LM317 Min. Typ. Max. Unit mA A %/VOUT dB Conditions VIN-VOUT=40V VIN-VOUT=40V, PD20W 10Hzf10KHz VOUT=10V, f=120Hz 0.3 66 3.5 0.4 0.003 65 80 10 - Note: CADJ is connected between Adjust pin and Ground. Typical Characteristics Curves VOUT, Output Voltage Deviation (%) Fig.1- Load Regulation vs. Temperature IADJ, Adjustment Current (A) Temperature ( C) Fig.3- Current Limit IOUT, Min. Output Current (mA) IOUT, Output Current (mA) Fig.2- Adjustment Current vs. Temperature Temperature ( C) Fig.4- Minimum Operating Current VIN-VOUT (V) VIN-VOUT (V) Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 4 of 8 Adjustable Positive Voltage Regulator LM317 Typical Application Fig.5-Programmable Voltage Regulator Fig.6- Regulator with On-off Control Fig.7- Soft Start Application Fig.8- Constant Current Application Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 5 of 8 Adjustable Positive Voltage Regulator LM317 Dimensions in inches (mm) SOT-223 D-PACK (TO-252) Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 6 of 8 Adjustable Positive Voltage Regulator LM317 TO-220 D2-PACK (TO-263) Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 7 of 8 Adjustable Positive Voltage Regulator LM317 How to contact us: US HEADQUARTERS 28040 WEST HARRISON PARKAWAY, VALENCIA, CA 91355-4162 Tel: (800) TAITRON (800) 824-8766 (661) 257-6060 Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415 Email: taitron@taitroncomponents.com Http://www.taitroncomponents.com TAITRON COMPONENTS MEXICO, S.A .DE C.V. BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P. 42970 MEXICO Tel: +52-55-5560-1519 Fax: +52-55-5560-2190 TAITRON COMPONETS INCORPORATED E REPRESENTACOES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAUDE - SAO PAULO-SP 04035-001 BRAZIL Tel: +55-11-5574-7949 Fax: +55-11-5572-0052 TAITRON COMPONETS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE CROSS REGION PLAZA, 899 LINGLING ROAD, SUITE 18C, SHANGHAI, 200030, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 8 of 8 |
Price & Availability of LM317
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |