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| LM120A-05 LM120-05 LM7905A LM7905 1.5 AMP NEGATIVE VOLTAGE REGULATOR 1 1 2 2 3 3 FEATURES * OUTPUT VOLTAGE OF -5V * 0.7% / V LINE REGULATION AVAILABLE * 0.5% / A LOAD REGULATION AVAILABLE * THERMAL OVERLOAD PROTECTION * SHORT CIRCUIT PROTECTION * OUTPUT TRANSISTOR SOA PROTECTION * 1% VOLTAGE TOLERANCE OPTION (-A VERSIONS) Pin 1 - Ground Pin 2 - VOUT Case - VIN Pin 1 - Ground Pin 2 - VOUT Case - VIN K Package - TO-3 R Package - TO-66 ! 123 DESCRIPTION Pin 1 - Ground Pin 2 - VIN Pin 3 - VOUT Case - VIN Pin 1 - Ground Pin 2 - VIN Pin 3 - VOUT G Package - TO-257 IG Package- TO-257* * isolated Case on IG package SMD Package - SMD1 Ceramic Surface Mount The A suffix devices provide 0.7% / V line regulation, 0.5% / A load regulation and 1% output voltage tolerance at room temperature. Protection features include Safe Operating Area current limiting and thermal shutdown. ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) VI PD Tj Tstg DC Input Voltage Power Dissipation Operating Junction Temperature Range Storage Temperature 35V Internally limited -55 to 150C -65 to 150C Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 2643 Issue: 1 LM120A-05 LM120-05 LM7905A LM7905 LM7905A LM120A-05 Min. Typ. Max. VIN = -10V VIN = -7.5V to -20V TJ = -55 to 150C VIN = -7V to -25V VIN = -7.5V to -20V TJ = -55 to 150C VIN = -8V to -12V IO IMAX TJ = -55 to 150C IO = 5mA to 1.5A Load Regulation VIN = -10V IO 0.5 IMAX VIN = -10V Quiescent Current IO = 5mA to IMAX Change Output Noise Voltage VIN = -10V f = 10Hz to 100kHz VIN = -10V f = 120Hz Ripple Rejection VIN = -8V to -18V IO = IMAX IO IMAX IO 0.5 IMAX TJ = -55 to 150C Dropout Voltage RO Isc Ipk Output Resistance f = 1 kHz Short Circuit Current Peak Output Current Average VIN = -10V IO = 5mA IO IMAX -7.3 2.4 3.3 2.4 3.3 mV C V VIN = -35V 0.6 1.2 0.6 1.2 A 58 58 1.4 5 TJ = -55 to 150C TJ = -55 to 150C IO = 5mA to IMAX TJ = -55 to 150C IQ Quiescent Current -4.95 -4.85 3 3 1 1 25 25 1 1 0.2 0.2 100 54 54 1.4 5 V mW -5 -5.05 -5.15 10 10 4 12 35 35 1.9 2 0.4 0.5 LM7905 , LM120-05 LM120-05 Min. Typ. Max. -4.9 -4.8 3 3 1 2 25 25 1 1 0.2 0.2 100 -5 -5.1 -5.2 25 50 25 50 100 100 1.9 2 0.4 0.5 mV V Parameter VO Output Voltage Test Conditions IO = 500mA IO = 5mA to IMAX PD PMAX IO = 0.5 IMAX Units DVO Line Regulation mV DVO mA DIQ VN mA mV dB DVIN DVO Temperature Coefficient of VO Input Voltage required to maintain line regulation 0.2 0.2 -7.3 1) All characteristics are measured with a capacitor across the input of 0.22mF and a capacitor across the output of 0.1mF. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tp voltage changes due to changes in internal temperature must be taken into account separately. 2) Test Conditions unless otherwise stated:PMAX = 10W for SMD , PMAX = 20W for all other package devices IMAX = 1.0A , TJ = 25C Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. 10ms, d 5%). Output Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 2643 Issue: 1 LM120A-05 LM120-05 LM7905A LM7905 APPLICATIONS INFORMATION I N PU T VIN GND C1 * 2. 2F T AN T . VOU T OUTPUT I N PU T VIN GND VOU T OUTPUT R1 C2 1 F TANT. I N PU T VIN GND C1 2. 2F T AN T . VOU T C2 1F T AN T . R1 C2 * * 1 F TANT. C1 2. 2F T AN T . O U TPU T IOUT R2 Fixed Output Regulator Required if the regulator is located far from the power supply. ** Required for stability. 25mF electrolytic may be substituted. * Adjustable Output Regulator VOUT VREG (R1+R2) R1 Current Regulator IOUT = VREG + IQ R1 Order Information Part Number LM7905A LM7905 LM120A-05 LM120-05 K-Pack (TO-3) R-Pack (TO-66) G/IG-Pack SMD-Pack (TO-257) SMD1 Temp. Range -55 to +150C " " " Note: To order, add the package identifier to the part number. eg. LM7905AK LM120SMD-05 Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 2643 Issue: 1 |
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