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1. Describe
LM340 and LM7805CT/NOPB series monolithic 3-terminal Positive voltage regulator adopts internal current limit, thermal shutdown and safety zone Compensation makes them basically indestructible. If they provide enough heat dissipation, they can provide The output current exceeds 1.5A. They are fixed Widely used voltage regulator Include local (on card) regulations to eliminate Related noise and distribution issues Single point adjustment. In addition to being used for fixing Voltage regulators, these devices can interact with External components for adjustable output Voltage and current. It took considerable effort to make the whole Series regulators are easy to use and minimize The number of external components. no need Bypass the output, although this does improve Transient response. The input bypass is only required in the following cases Keep the regulator away from the filter capacitor power supply. LM7805 also provides higher accuracy and A better version (LM340A).
2. Features
1. Output Current up to 1.5 A
2. Available in Fixed 5-V, 12-V, and 15-V Options
3. Output Voltage Tolerances of ±2% at TJ = 25°C (LM340A)
4. Line Regulation of 0.01% / V of at 1-A Load (LM340A)
5. Load Regulation of 0.3% / A (LM340A)
6. Internal Thermal Overload, Short-Circuit and SOA Protection
7. Available in Space-Saving SOT-223 Package
8. Output Capacitance Not Required for Stability
3. Applications
1. Industrial Power Supplies
2. SMPS Post Regulation
3. HVAC Systems
4. AC Inventors
5. Test and Measurement Equipment
6. Brushed and Brushless DC Motor Drivers
7. Solar Energy String Invertors
4. Pin Configuration
5. Pin Functions
