1A Positive Voltage Regulator LM78xxAT 1A Positive Voltage Regulator General Description * The TCI LM78xxAT family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1A. TO-220 * The LM78xxAT is available in TO-220 package. . Features Applications * Output Current up to 1A * Fixed Output Voltage of 5V, 8V, 9V, 12V,15V, 18V Available * * * * Thermal Overload Shutdown Protection Short Circuit Current Limiting Output Transistor SOA Protection RoHS Compliance * * * * High Efficiency Linear Regulator Post Regulation for Switching Supply Microprocessor Power Supply Mother Board 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/AH 2008-06-18 Page 1 of 15 1A Positive Voltage Regulator LM78xxAT Marking Information Outline TO-220 Temperature Range -40 to 125C PN Marking Code LM7805AT AS7805AT-E1 LM7808AT AS7808AT-E1 LM7809AT AS7809AT-E1 LM7812AT AS7812AT-E1 LM7815AT AS7815AT-E1 LM7818AT AS7818AT-E1 Package Type Tube Packing Information Package Type Units/Tube Tubes/Inner Box Units/Inner Box Inner Boxes /Outer Box TO-220 50 20 1000 5 Pin Configuration Outline: TO-220 Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 2 of 15 1A Positive Voltage Regulator LM78xxAT Functional Block Diagram Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 3 of 15 1A Positive Voltage Regulator LM78xxAT Absolute Maximum Ratings (Note 1) Symbol Description Ratings Unit VIN Input Voltage 36 V IOUT Output Current 1 A TLEAD Lead Temperature (Soldering 10sec) 260 C PD Power Dissipation Internally Limited W TJ Junction Temperature 150 C TSTG Storage Temperature Range -65 to 150 C JA Thermal Resistance 60 C/ W ESD ESD (Human Body Model) 6000 V ESD ESD (Machine Model) 500 V Note: 1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Symbol VIN TJ Ratings Min. Max. Description Input Voltage LM7805AT - 25 LM7808AT - 28 LM7809AT - 29 LM7812AT - 32 LM7815AT - 32 LM7818AT - 32 -40 125 Operating Junction Temperature Range Unit V C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 4 of 15 1A Positive Voltage Regulator LM78xxAT Electrical Characteristics For LM7805AT (VIN=10V, IOUT=1A, TJ=-40 to 125 C, unless otherwise specified) LM7805AT Symbol Description Unit Test Conditions Min. Typ. Max. 4.9 5.0 5.1 4.8 - 5.2 TJ=25 C VOUT Output Voltage VRLINE Line Regulation - 25 50 mV VIN=7.5V to 20V, IOUT=500mA, TJ=25 C VRLOAD Load Regulation - 20 50 mV VIN=10V, IOUT=5mA to 1A, TJ=25 C IQ Quiescent Current - 3.2 6.0 mA VIN=10V, IOUT=0 IQ Quiescent Current Change - 0.3 0.8 mA VIN=8V to 25V, IOUT=500mA, TJ=25 C - 0.08 0.5 PSRR Ripple Rejection - 70 - dB VIN=8V to 18V, f=120Hz, IOUT=500mA VDROP Dropout Voltage - 2.0 - V VOUT=1%, IOUT=1A, TJ=25 C NO Output Noise Voltage - 10 - V/VO f=10Hz to 100kHz, TA=25 C RO Output Resistance - 10 - m f=1kHz ISC Short Circuit Current - 0.05 - A VIN=35V, TA=25 C IPK Peak Output Current - 2.2 - A VIN=10V, TJ=25 C Output Voltage Temperature Coefficient - 0.4 - mV/ C - 80 - ppm/ C VOUT/T (VOUT/VOUT)/T V VIN=7.5V to 20V, IOUT=5mA to 1A, PD15W IOUT=5mA to 1A, TJ=25 C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 5 of 15 1A Positive Voltage Regulator LM78xxAT For LM7808AT (VIN=14V, IOUT=1A, TJ=-40 to 125 C, unless otherwise specified) LM7808AT Symbol Description Unit Test Conditions VOUT Output Voltage VRLINE VRLOAD Min. Typ. Max. 7.84 8 8.16 TJ=25 C V VIN=10.6V to 23V, IOUT=5mA to 1A, PD15W 7.7 - 8.3 Line Regulation - 25 75 mV VIN=10.6V to 23V, IOUT=500mA, TJ=25 C Load Regulation - 25 75 mV VIN=14V, IOUT=5mA to 1A, TJ=25 C IQ Quiescent Current - 3.2 6.0 mA VIN=14V, IOUT=0 IQ Quiescent Current Change - 0.3 0.8 mA VIN=10.6V to 23V, IOUT=500mA, TJ=25 C - 0.08 0.5 PSRR Ripple Rejection - 62 - dB VIN=11.5V to 21.5V, f=120Hz, IOUT=500mA VDROP Dropout Voltage - 2.0 - V VOUT=1%, IOUT=1A, TJ=25 C NO Output Noise Voltage - 10 - V/VO f=10Hz to 100kHz, TA=25 C RO Output Resistance - 10 - m f=1kHz ISC Short Circuit Current - 0.2 - A VIN=35V, TA=25 C IPK Peak Output Current - 2.2 - A VIN=14V, TJ=25 C Output Voltage Temperature Coefficient - 0.64 - mV/ C - 80 - ppm/ C VOUT/T (VOUT/VOUT)/T IOUT=5mA to 1A, TJ=25 C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 6 of 15 1A Positive Voltage Regulator LM78xxAT For LM7809AT (VIN=15V, IOUT=1A, TJ=-40 to 125 C, unless otherwise specified) LM7809AT Symbol Description Unit Test Conditions VOUT Output Voltage VRLINE VRLOAD Min. Typ. Max. 8.82 9 9.18 TJ=25 C V VIN=11.5V to 23V, IOUT=5mA to 1A, PD15W 8.65 - 9.35 Line Regulation - 25 90 mV VIN=11.5V to 23V, IOUT=500mA, TJ=25 C Load Regulation - 25 100 mV VIN=14V, IOUT=5mA to 1A, TJ=25 C IQ Quiescent Current - 3.2 6.0 mA VIN=15V, IOUT=0 IQ Quiescent Current Change - 0.3 0.8 mA VIN=11.5V to 23V, IOUT=500mA, TJ=25 C - 0.08 0.5 PSRR Ripple Rejection - 61 - dB VIN=11.5V to 21.5V, f=120Hz, IOUT=500mA VDROP Dropout Voltage - 2.0 - V VOUT=1%, IOUT=1A, TJ=25 C NO Output Noise Voltage - 10 - V/VO f=10Hz to 100kHz, TA=25 C RO Output Resistance - 10 - m f=1kHz ISC Short Circuit Current - 0.2 - A VIN=35V, TA=25 C IPK Peak Output Current - 2.2 - A VIN=15V, TJ=25 C Output Voltage Temperature Coefficient - 0.72 - mV/ C - 80 - ppm/ C VOUT/T (VOUT/VOUT)/T IOUT=5mA to 1A, TJ=25 C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 7 of 15 1A Positive Voltage Regulator LM78xxAT For LM7812AT (VIN=19V, IOUT=1A, TJ=-40 to 125 C, unless otherwise specified) LM7812AT Symbol Description Unit Test Conditions VOUT Output Voltage VRLINE VRLOAD Min. Typ. Max. 11.75 12 12.25 TJ=25 C V VIN=14.8V to 27V, IOUT=5mA to 1A, PD15W 11.5 - 12.5 Line Regulation - 25 120 mV VIN=14.8V to 27V, IOUT=500mA, TJ=25 C Load Regulation - 40 120 mV VIN=19V, IOUT=5mA to 1A, TJ=25 C IQ Quiescent Current - 3.4 6.0 mA VIN=19V, IOUT=0 IQ Quiescent Current Change - 0.3 0.8 mA VIN=14.8V to 30V, IOUT=500mA, TJ=25 C - 0.08 0.5 PSRR Ripple Rejection - 60 - dB VIN=15V to 25V, f=120Hz, IOUT=500mA VDROP Dropout Voltage - 2.0 - V VOUT=1%, IOUT=1A, TJ=25 C NO Output Noise Voltage - 10 - V/VO f=10Hz to 100kHz, TA=25 C RO Output Resistance - 11 - m f=1kHz ISC Short Circuit Current - 0.2 - A VIN=35V, TA=25 C IPK Peak Output Current - 2.2 - A VIN=18V, TJ=25 C Output Voltage Temperature Coefficient - 0.96 - mV/ C - 80 - ppm/ C VOUT/T (VOUT/VOUT)/T IOUT=5mA to 1A, TJ=25 C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 8 of 15 1A Positive Voltage Regulator LM78xxAT For LM7815AT (VIN=23V, IOUT=1A, TJ=-40 to 125 C, unless otherwise specified) LM7815AT Symbol Description Unit Test Conditions VOUT Output Voltage VRLINE VRLOAD Min. Typ. Max. 14.7 15 15.3 TJ=25 C V VIN=17.9V to 30V, IOUT=5mA to 1A, PD15W 14.4 - 15.6 Line Regulation - 35 150 mV VIN=17.9V to 30V, IOUT=500mA, TJ=25 C Load Regulation - 70 150 mV VIN=23V, IOUT=5mA to 1A, TJ=25 C IQ Quiescent Current - 3.4 6.0 mA VIN=23V, IOUT=0 IQ Quiescent Current Change - 0.3 0.8 mA VIN=17.9V to 30V, IOUT=500mA, TJ=25 C - 0.08 0.5 PSRR Ripple Rejection - 58 - dB VIN=18.5V to 28.5V, f=120Hz, IOUT=500mA VDROP Dropout Voltage - 2.0 - V VOUT=1%, IOUT=1A, TJ=25 C NO Output Noise Voltage - 10 - V/VO f=10Hz to 100kHz, TA=25 C RO Output Resistance - 11 - m f=1kHz ISC Short Circuit Current - 0.2 - A VIN=35V, TA=25 C IPK Peak Output Current - 2.2 - A VIN=21V, TJ=25 C Output Voltage Temperature Coefficient - 1.2 - mV/ C - 80 - ppm/ C VOUT/T (VOUT/VOUT)/T IOUT=5mA to 1A, TJ=25 C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 9 of 15 1A Positive Voltage Regulator LM78xxAT For LM7818AT (VIN=27V, IOUT=1A, TJ=-40 to 125 C, unless otherwise specified) LM7818AT Symbol Description Unit Test Conditions VOUT Output Voltage VRLINE VRLOAD Min. Typ. Max. 17.64 18 18.36 TJ=25 C V VIN=21V to 33V, IOUT=5mA to 1A, PD15W 17.3 - 18.7 Line Regulation - 45 180 mV VIN=21V to 33V, IOUT=500mA, TJ=25 C Load Regulation - 85 180 mV VIN=27V, IOUT=5mA to 1A, TJ=25 C IQ Quiescent Current - 3.6 6.0 mA VIN=27V, IOUT=0 IQ Quiescent Current Change - 0.3 0.8 mA VIN=21V to 33V, IOUT=500mA, TJ=25 C - 0.08 0.5 PSRR Ripple Rejection - 57 - dB VIN=22V to 32V, f=120Hz, IOUT=500mA VDROP Dropout Voltage - 2.0 - V VOUT=1%, IOUT=1A, TJ=25 C NO Output Noise Voltage - 10 - V/VO f=10Hz to 100kHz, TA=25 C RO Output Resistance - 11 - m f=1kHz ISC Short Circuit Current - 0.2 - A VIN=35V, TA=25 C IPK Peak Output Current - 2.2 - A VIN=24V, TJ=25 C Output Voltage Temperature Coefficient - 1.44 - mV/ C - 80 - ppm/ C VOUT/T (VOUT/VOUT)/T IOUT=5mA to 1A, TJ=25 C Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 10 of 15 1A Positive Voltage Regulator LM78xxAT Typical Characteristics Curves Fig.2- Output Voltage vs. Junction Temperature Output Voltage (V) Peak Output Current (A) Fig.1- Peak Output Current vs. Input/Output Differential Voltage VIN-VOUT (V) Junction Temperature (C) Fig.4- Output Voltage vs. Input Voltage Output Voltage (V) Output Voltage (V) Fig.3- Output Voltage vs. Output Current Output Current (mA) Input Voltage (V) Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 11 of 15 1A Positive Voltage Regulator LM78xxAT Typical Characteristics Curves (Continued) Fig.6- Ripple Rejection vs. Frequency Ripple Rejection (dB) Quiescent Current (mA) Fig.5- Quiescent Current vs. Junction Temperature Frequency (Hz) Junction Temperature (C) Fig.7- Dropout Voltage vs. Junction Temperature Dropout Voltage (V) Power Dissipation (W) Fig.8- Power Dissipation vs. Junction Temperature Junction Temperature (C) Junction Temperature (C) Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 12 of 15 1A Positive Voltage Regulator LM78xxAT Typical Performance Characteristics Fig.10- Load Transient (Conditions: VIN=10V, CIN=0.33F, COUT=0.1F) VOUT (50mV/Div) VOUT (100mV/Div) VIN (5V/Div) IOUT (1A/Div) Fig.9- Line Transient (Conditions: IOUT=500mA, COUT=0.1F) Time (100s/Div) Time (40s/Div) Typical Application Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 13 of 15 1A Positive Voltage Regulator LM78xxAT Dimensions in mm (inches) TO-220 Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 14 of 15 1A Positive Voltage Regulator LM78xxAT 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 METROBANK PLAZA, 1160 WEST YAN' AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 Rev. A/AH 2008-06-18 www.taitroncomponents.com Page 15 of 15