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LR7809 Dataheets PDF



Part Number LR7809
Manufacturers LRC
Logo LRC
Description 3-Terminal 1A Positive Voltage Regulators
Datasheet LR7809 DatasheetLR7809 Datasheet (PDF)

LESHAN RADIO COMPANY, LTD. LR7800 Series3-Terminal 1A Positive Voltage Regulators DESCRIPTION The LRC LR78XX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A. FEATURES *Output current up to 1A *Fixed output voltage of 5V, 6V, 7V, 8V,9V,10V, 12V, 15V ,18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting 1 23 TO-220 1: Input 2: GND 3: Output ABSOLUTE MAXIMUM RATINGS .

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LESHAN RADIO COMPANY, LTD. LR7800 Series3-Terminal 1A Positive Voltage Regulators DESCRIPTION The LRC LR78XX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A. FEATURES *Output current up to 1A *Fixed output voltage of 5V, 6V, 7V, 8V,9V,10V, 12V, 15V ,18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting 1 23 TO-220 1: Input 2: GND 3: Output ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) PARAMETER Input voltage (for Vo=5~18V) (for Vo=24V) Output Current Power Dissipation Thermal Resistance Junction-Air Thermal Resistance Junction-Cases Operating Junction Temperature Range Storage Temperature Range SYMBOL VI Io PD R T JA R T JC Topr Tstg RATING 35 40 1 Internally Limited 65 5 0 ~ +150 -55 ~ +150 UNIT V V A W qC/W qC/W qC qC APPLICATION CIRCUIT Vi C1 0.33 PF 1 LR78XX 2 3 Vo C0 0.1 PF Note 1: To specify an output voltage, substitute voltage value for "XX". Note 2: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. 1/7 LESHAN RADIO COMPANY, LTD. LR7800 Series3-Terminal 1A Positive Voltage Regulators LR7805 ELECTRICAL CHARACTERISTICS ( VI=10V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP Output Voltage Tj=25qC, IO=5mA - 1.0A 4.80 5.0 Vo VI =7.5V to 20V, IO=5mA - 1.0A,PD̰15W 4.75 Load Regulation 'Vo Tj=25qC,IO=5mA - 1.0A Tj=25qC,IO=0.25A - 0.75A 9 4 Line regulation Quiescent Current 'Vo VI =7V to 25V,Tj=25qC VI =8V to 12V,Tj=25qC Iq Tj=25qC, IO̰1.0A Quiescent Current Change 'Iq VI =7.5V to 20V IO=5mA - 1.0A Output Noise Voltage VN 10Hz̰f̰100kHz 42 Ripple Rejection RR VI =8V - 18V,f=120Hz,Tj=25qC 62 73 Peak Output Current IPK Tj=25qC 1.8 Short-Circuit Current ISC VI=35V, Tj=25qC 250 Dropout Voltage Vd Tj=25qC 2.0 MAX 5.20 5.25 100 50 100 50 8.0 1.3 0.5 UNIT V V mV mV mV mV mA mA mA PV dB A mA V LR7806 ELECTRICAL CHARACTERISTICS ( VI=11V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP Output Voltage Tj=25qC, IO=5mA - 1.0A 5.75 6.0 Vo VI =8.5V to 21V, IO=5mA - 1.0A, PD̰15W 5.70 Load Regulation 'Vo Tj=25qC,IO=5mA - 1.0A Tj=25qC,IO=0.25A - 0.75A Line regulation Quiescent Current 'Vo VI =8V to 25V,Tj=25qC VI =8.5V to 21V,Tj=25qC,Io=1.0A Iq Tj=25qC, IO̰1.0A Quiescent Current Change 'Iq VI =8.5V to 21V IO=5mA - 1.0A Output Noise Voltage VN 10Hz̰f̰100kHz 45 Ripple Rejection RR VI =9V - 19V,f=120Hz,Tj=25qC 59 75 Peak Output Current IPK Tj=25qC 1.8 Short-Circuit Current ISC VI=35V, Tj=25qC 550 Dropout Voltage Vd Tj=25qC 2.0 MAX 6.25 6.30 120 60 120 60 8.0 1.3 0.5 UNIT V V mV mV mV mV mA mA mA PV dB A mA V 2/7 LESHAN RADIO COMPANY, LTD. LR7800 Series3-Terminal 1A Positive Voltage Regulators LR7807 ELECTRICAL CHARACTERISTICS ( VI=13V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP Output Voltage Tj=25qC, IO=5mA - 1.0A 6.72 7.0 Vo VI =9.5V to 22V, IO=5mA - 1.0A, PD̰15W 6.65 Load Regulation 'Vo Tj=25qC,IO=5mA - 1.0A Tj=25qC,IO=0.25A - 0.75A Line regulation Quiescent Current 'Vo VI =9V to 25V,Tj=25qC VI =9.5V to 22V,Tj=25qC,Io=1.0A Iq Tj=25qC, IO̰1.0A Quiescent Current Change 'Iq VI =9.5V to 22V IO=5mA - 1.0A Output Noise Voltage VN 10Hz̰f̰100kHz 50 Ripple Rejection RR VI =10V - 20V,f=120Hz,Tj=25qC 59 75 Peak Output Current IPK Tj=25qC 1.7 Short-Circuit Current ISC VI=35V, Tj=25qC 250 Dropout Voltage Vd Tj=25qC 2.0 MAX 7.28 7.35 120 60 120 60 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA PV dB A mA V LR7808 ELECTRICAL CHARACTERISTICS ( VI=14V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP Output Voltage Tj=25qC, IO=5mA - 1.0A 7.68 8.0 Vo VI =10.5V to 23V, IO=5mA - 1.0A, PD̰15W 7.60 Load Regulation 'Vo Tj=25qC,IO=5mA - 1.0A Tj=25qC,IO=0.25A - 0.75A Line regulation 'Vo VI =10.5V to 25V,Tj=25qC VI =10.5V to 23V, Tj=25qC,Io=1.0A Quiescent Current Iq Tj=25qC, IO̰1.0A Quiescent Current Change 'Iq VI =10.5V to 23V IO=5mA - 1.0A Output Noise Voltage VN 10Hz̰f̰100kHz 52 Ripple Rejection RR VI =11.5V to 21.5V, 56 72 f=120Hz,Tj=25qC Peak Output Current IPK Tj=25qC 1.8 Short-Circuit Current ISC VI=35V, Tj=25qC 450 Dropout Voltage Vd Tj=25qC 2.0 MAX 8.32 8.40 160 80 160 80 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA PV dB A mA V 3/7 LESHAN RADIO COMPANY, LTD. LR7800 Series3-Terminal 1A Positive Voltage Regulators LR7809 ELECTRICAL CHARACTERISTICS ( VI=15V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP Output Voltage Tj=25qC,.


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