100mA Adjustable Positive Voltage Regulator LM317L 100mA Adustable Positive Voltage Regulator General Description • The LM317L is a monolithic integrated circuit, designed to supply 100mA of output current with voltage adjustable from 1.25V ~ 37V. • The LM317L is available in standard TO-92 and SOP-8 packages. Features SOP-8 Applications • Output voltage adjustable from 1.25V ~ 37V • • • • • TO-92 Output current in excess of 100mA Internal thermal overload protection Internal short circuit current limiting Output transistor safe area compensation RoHS Compliance • High Efficiency Linear Regulators • Post Regulation for Switching Supplies • Microprocessor Power Supply • Mother Board I/O Power Supply 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 100mA Adjustable Positive Voltage Regulator LM317L Pin Configuration Outline: Z TO-92 Outline: S8 SOP-8 Block Diagram Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 2 of 8 100mA Adjustable Positive Voltage Regulator LM317L Absolute Maximum Ratings (Ta=25° C, unless otherwise specified) Symbol Description Ratings Unit VIN-VOUT IO Input - Output Voltage Differential Max. Output Current 40 100 V mA PD Power Dissipation Internally Limited mW TJ Operating Junction Temperature 125 °C TOPR TSTG Operating Temperature Range Storage Temperature Range 0 ~ 125 -40 ~ 150 °C °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Electrical Characteristics (VIN-VOUT=5V, IOUT=40mA, Ta=25ºC, unless otherwise specified) Symbol Description ∆VOUT/VOUT Line Regulation ∆VOUT Load Regulation LM317L Unit Conditions Min. Typ. Max. - 0.01 0.04 %/V - 5 25 % 5mA≤IOUT≤100mA, Vout≥5V - 0.1 0.5 % 5mA≤IOUT≤101mA, Vout≤5V 3V≤VIN-VOUT≤40V, IOUT≤20mA IADJ Adjustable Pin Current - 50 100 µA ∆IADJ Adjustable Pin Current Change - 0.2 5 µA VREF Reference Input Voltage 1.20 1.25 1.30 V - 0.7 - %/VOUT TMIN ≤TJ≤TMAX Temperature Stability - 3V≤VIN-VOUT≤40V, 5mA≤IOUT≤100mA, Pd<625mW 3V≤VIN-VOUT≤15V, 5mA≤IOUT≤100mA, Pd<625mW - 3.5 10 mA VIN-VOUT=40V IO(MAX) Minimum Load Current for Regulation Maximum Output Current - 50 - mA VIN-VOUT=40V, Pd≤625mW eN RMS Noise vs. % of Vout - 0.003 0.01 %/Vout 10Hz ≤f≤10KHz - 65 - 66 80 - IL(MIN) PSRR Ripple Rejection dB VOUT=10V, f=120Hz, CADJ=0µF VOUT=10V, f=120Hz, CADJ=10µF Note: CADJ is connected between Adjust pin and Ground. Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 3 of 8 100mA Adjustable Positive Voltage Regulator LM317L Fig.2- Adjustment Current vs. Temperature Fig.1- Load Regulation vs. Temperature IADJ, Adjustment Current (µA) ∆VOUT, Output Voltage Deviation (%) Typical Characteristics Curves Temperature (° C) Temperature (° C) Fig.4- Minimum Operating Current IOUT, Output Current (mA) IOUT, Min. Output Current (mA) Fig.3- Current Limit VIN-VOUT (V) VIN-VOUT (V) Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 4 of 8 100mA Adjustable Positive Voltage Regulator LM317L Typical Application Fig.5-Programmable Voltage Regulator Fig.7- Soft Start Application Fig.6- Regulator with On-off Control Fig.8- Constant Current Application Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 5 of 8 100mA Adjustable Positive Voltage Regulator LM317L Dimensions in mm (inches) TO-92 Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 6 of 8 100mA Adjustable Positive Voltage Regulator LM317L Dimensions in mm (inches) (Continued) SOP-8 Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 7 of 8 100mA Adjustable Positive Voltage Regulator LM317L 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: [email protected] 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 REPRESENTAÇÕES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO 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