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LM7805 Datasheet(PDF) 1 Page - Texas Instruments |
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LM7805 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 33 page  Pin 1. Input 2. Ground 3. Output Tab/Case is Ground or Output 1 1 1 1 TO-3 SOT-223 TO-220 TO-263 2 2 3 2 3 2 3 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM340, LM340A, LM7805, LM7812, LM7815 SNOSBT0K – FEBRUARY 2000 – REVISED JULY 2016 LM340, LM340A and LM78xx Wide VIN 1.5-A Fixed Voltage Regulators 1 1 Features 1 • Output Current up to 1.5 A • Available in Fixed 5-V, 12-V, and 15-V Options • Output Voltage Tolerances of ±2% at TJ = 25°C (LM340A) • Line Regulation of 0.01% / V of at 1-A Load (LM340A) • Load Regulation of 0.3% / A (LM340A) • Internal Thermal Overload, Short-Circuit and SOA Protection • Available in Space-Saving SOT-223 Package • Output Capacitance Not Required for Stability 2 Applications • Industrial Power Supplies • SMPS Post Regulation • HVAC Systems • White Goods SPACE Available Packages 3 Description The LM340 and LM78xx monolithic 3-terminal positive voltage regulators employ internal current- limiting, thermal shutdown and safe-area compensation, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.5-A output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents. Considerable effort was expended to make the entire series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply. LM7805 is also available in a higher accuracy and better performance version (LM340A). Refer to LM340A specifications in the LM340A Electrical Characterisitcs table. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM340x LM78xx DDPAK/TO-263 (3) 10.18 mm × 8.41 mm SOT-23 (4) 6.50 mm × 3.50 mm TO-220 (3) 14.986 mm × 10.16 mm TO-3 (2) 38.94 mm x 25.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Fixed Output Voltage Regulator *Required if the regulator is located far from the power supply filter. **Although no output capacitor is needed for stability, it does help transient response. (If needed, use 0.1-μF, ceramic disc). |
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