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LM7920

TAITRON

1A Standard Negative Voltage Regulator

1A Standard Negative Voltage Regulator 1A Standard Negative Voltage Regulator LM79XX General Description • The LM79XX ...


LM7920

TAITRON


Octopart Stock #: O-1459801

Findchips Stock #: 1459801-F

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Description
1A Standard Negative Voltage Regulator 1A Standard Negative Voltage Regulator LM79XX General Description • The LM79XX series is three terminal standard negative voltage regulator designed for a wide range of applications that required supply current up to 1A. • The LM79XX series is available in 11 fixed output voltage: -5V, -6V, -7V, -8V, -9V, -1
More View 2V, -15V, -18V, -20V and -24V. • The LM79XX series provides internal current limiting, thermal shut-down and safe-area protection which make it essentially indestructible. • The LM79XX series is available in TO-252, TO-220F packages. . Features • Output current up to 1A • Overload shutdown protection • Short circuit limiting • RoHS compliant Applications • Linear Regulator • CMOS • TTL • IC Power Supply D-PAK (TO-252) TO-220F TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060 Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415 Rev. A/JH Page 1 of 19 1A Standard Negative Voltage Regulator Ordering Information LM79 □□ □ - 93 - □□ LM79XX Circuit Type Io=1A Typical Output Voltage 05: -5V; 06: -6V; 07: -7V; 08: -8V; 09: -9V; 10: -10V 12: -12V; 15: -15V; 18: -18V; 20: -20V; 24: -24V Packing Code TU: Tube, RoHS UG: Tube, Halogen Free Factory Location Code Outline F: TO-220F D: D-PAK (TO-252) Pin Configuration 1: GND 2: INPUT 3: OUTPUT D-PAK(TO-252) www.taitroncomponents.com 1: GND 2: INPUT 3: OUTPUT TO-220F Rev. A/JH Page 2 of 19 Equivalent Circuit 1A Standard Negative Voltage Regulator LM79XX Absolute Maximum Ratings (Ta=25 °C) Symbol Description VIN IOUT PD1 PD2 Tj TOPR TSTG Input Voltage LM7905~LM7915 LM7918~LM7924 Output Current Power Dissipation-1 (No Heat-sink) D-PAK TO-220F Power Dissipation-2 (Infinite Heat-sink) D-PAK TO-220F Operating Junction Temperature Operating Temperature Storage Temperature www.taitroncomponents.com Ratings -35 -40 1.0 1.3 2.0 12.0 20.8 -30 ~ +150 -30 ~ +75 -55 ~ +150 Unit V A W W °C °C °C Rev. A/JH Page 3 of 19 1A Standard Negative Voltage Regulator LM79XX Electrical Characteristics LM7905 (Unless otherwise specified, VIN=-10V, IOUT=0.5A, 0°C≤Tj≤125°C, CIN=2.2µF, COUT=1µF) Symbol Description Test Circuit Test Conditions Min. Typ. Max. Unit VOUT Output Voltage ∆VLINE Line Regulation ∆VLOAD Load Regulation VOUT IQ ∆IQ Output Voltage Quiescent Current Quiescent Current Change eN Output Noise Voltage RR ISC ∆VO/∆T VD Ripple Rejection Ratio Short-Circuit Current Limit Average Temperature Coefficient of VOUT Dropout Voltage C-1 Tj=25°C -5.2 -5.0 -4.8 V -12V≤VIN≤-8V Tj=25°C C-1 -25V≤VIN≤-7V Tj=25°C - 5 50 mV - 10 100 mV 5mA≤IOUT≤1.5A Tj=25°C - C-1 0.25A≤IOUT≤0.75A Tj=25°C - 10 100 mV 3 50 mV C-1 -20V≤VIN≤-7V 5mA≤IOUT≤1A -5.25 -5.0 -4.75 V C-1 Tj=25°C - 3 6 mA -25V≤VIN≤-8V C-1 5mA≤IOUT≤1A - 0.1 1.3 mA - 0.05






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