LA317LS8-XX-AR

100mA Adjustable Positive Voltage Regulator LA317L 100mA Adustable Positive Voltage Regulator General Description • The LA317L is an adjustable 3-terminal positive voltage regulator capable of supplying 100mA over a 1.2V to 12V output range. This voltage regulator is exceptionally easy to use and requires only tow external resistors to set the output voltage. • The LA317L is available in standard TO-92 and SOP-8 packages. TO-92 SOP-8 Features • • • • • • • • • Adjustable output down to 1.2V Guaranteed 100mA output current Output short circuit protected Line regulation: 0.01%/V Load regulation: 0.1% Constant current limit over temperature Standard 3-lead transistor package Input ripple rejection: 70dB RoHS Compliance Applications • • • • 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 9 100mA Adjustable Positive Voltage Regulator LA317L Pin Configuration Outline: Z TO-92 Outline: S8 SOP-8 Block Diagram Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 2 of 9 100mA Adjustable Positive Voltage Regulator LA317L Absolute Maximum Ratings (Ta=25° C, unless otherwise specified) Symbol VIN-VOUT IO TJ TOPR TSTG PD TLEAD Description Input - Output Voltage Differential Max. Output Current Operating Junction Temperature Operating Temperature Range Storage Temperature Range Power Dissipation Lead Temperature (Soldering, 4sec.) Ratings 40 100 150 -20 ~ 85 -65 ~ 150 700 260 Unit V mA °C °C °C mW °C Electrical Characteristics (VIN-VOUT=5V, IOUT=40mA,PD≤625mW, 0ºC ≤TJ≤125ºC, unless otherwise specified) Symbol Description LA317L Min. Typ. Max. Unit Conditions TJ=25°, 3V≤VIN-VOUT≤15V, IOUT≤20mA (Note) 3V≤VIN-VOUT≤15V, IOUT≤20mA (Note) TJ=25°, 5mA≤IOUT≤100mA (Note) 5mA≤IOUT≤101mA (Note) ∆VOUT/VOUT Line Regulation ∆VOUT Load Regulation Thermal Regulation IADJ ∆IADJ VREF ILIMIT IL(MIN) PSRR Adjustable Pin Current Adjustable Pin Current Change Reference Input Voltage Current Limit Minimum Load Current for Regulation Ripple Rejection Temperature Stability 1.20 100 60 - 0.01 0.02 0.1 0.3 0.04 50 0.2 1.25 200 3.5 62 70 0.65 0.04 %/V 0.07 0.5 1.5 0.2 100 5 1.30 300 5 % % %/W TJ=25°, 10ms Pulse µA µA V mA mA dB % 3V≤VIN-VOUT≤15V, 5mA≤IOUT≤100mA 3V≤VIN-VOUT≤15V, 5mA≤IOUT≤100mA 3V≤VIN-VOUT≤13V 3V≤VIN-VOUT≤13V VOUT=10V, f=120Hz, CADJ=0µF VOUT=10V, f=120Hz, CADJ=10µF 0° C ≤TJ≤125° C Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 3 of 9 100mA Adjustable Positive Voltage Regulator LA317L Symbol Description Long Term Stability RMS Output Noise (% of VOUT) Thermal Resistance Junction to Case LA317L Min. Typ. Max. Unit % % ° C/W Conditions TJ=125° C, 1000 Hours TJ=125° C, 10Hz≤f≤10KHz TO-92 SOP-8 - 0.3 0.003 185 175 - Note: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are covered under the specification of thermal regulation. Typical Characteristics Curves Fig.1- Load Regulation vs. Temperature Output Voltage Deviation (V) Fig.2- Output Voltage vs. Input Voltage Output Voltage (V) Temperature (° C) Fig.3- Reference Voltage vs. Temperature Adjust Pin Current (μA) Reference Voltage (V) Input Voltage (V) Fig.4- Adjust Pin Current vs. Temperature Temperature (° C) Temperature (° C) Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 4 of 9 100mA Adjustable Positive Voltage Regulator LA317L Typical Characteristics Curves (Continued) Fig.5- Dropout Voltage vs. Temperature Input-Output Differential (V) Quiescent Current (mA) Fig.6- Minimum Operating Current Temperature (° C) Input-Output Differential (V) Fig.7- Ripple Rejection vs. Output Voltage Ripple Rejection (dB) Fig.8- Ripple Rejection vs. Frequency Ripple Rejection (dB) Output Voltage (V) Frequency (Hz) Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 5 of 9 100mA Adjustable Positive Voltage Regulator LA317L Typical Characteristics Curves (Continued) Fig.9- Load Transient Response (Conditions: VIN=10.25V, VOUT=5.25V, CIN=0.1μF, COUT=1μF, TA=25℃) ΔVOUT (200mV/Div) ΔVOUT (200mV/Div) Fig.10- Line Transient Response (Conditions: VIN=10.25 to 11.25V, IOUT=40mA, VOUT=5.25V, CIN=0.1μF, COUT=1μF, TA=25℃) IOUT (50mA/Div) ΔVIN (0.5V/Div) Time (200μs/Div) Time (200μs/Div) Typical Application Fig.11- 5V Logic Regulator with Electronic Shutdown (Minimum output=1.2V) Fig.12- Adjustable Regulator with Improved Ripple Rejection Note: Discharge C1 if output is shorted to ground Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 6 of 9 100mA Adjustable Positive Voltage Regulator LA317L Typical Application (Continued) Fig.13- Slow Turn-on 15V Regulator Dimensions in mm (inches) TO-92 Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 7 of 9 100mA Adjustable Positive Voltage Regulator LA317L Dimensions in mm (inches) (Continued) SOP-8 Rev. A/DX 2007-06-04 www.taitroncomponents.com Page 8 of 9 100mA Adjustable Positive Voltage Regulator LA317L 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 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 9 of 9