78M05 SMD Fixed Dropout Regulators 5V 6mA TO-252

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78M05 SMD Fixed Dropout Regulators 5V 6mA TO-252 The 78M05 SMD Fixed Voltage Regulator is a reliable linear regulator designed to deliver a constant 5V output from a higher input voltage. Built in a TO-252 (DPAK) surface-mount package, it is ideal for compact PCB designs where space efficiency and thermal performance are important. This regulator is commonly used in power supply sections of electronic circuits to ensure stable voltage for sensitive components. With built-in protection features and simple implementation, the 78M05 is widely adopted in consumer electronics, industrial control systems, and embedded designs. It requires minimal external components, making it easy to integrate into both professional and DIY projects. Its robust construction and stable output make it suitable for powering microcontrollers, sensors, and logic circuits. Features: Output Current up to 0.5A (Maximum) Output Continuous Current < 0.5A Output Voltages of 5V Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area (SOA)Protection Package: TO-252-2(DPAK) Specification: Parameter Conditions Min Typ Max Unit Output Voltage Io=5mA~500mA, Vi=7~20V, Po≤15W 4.95 5.0 5.1 V Line Regulation Io=250mA, Vi=7~25V – – 100 mV Line Regulation Io=250mA, Vi=8~20V – – 50 mV Load Regulation TJ=25°C, Io=5~500mA – – 100 mV Load Regulation TJ=25°C, Io=50~250mA – – 50 mV Quiescent Current TJ=25°C – – 6.0 mA Quiescent Current Change Io=5~250mA – – 0.5 mA Quiescent Current Change Io=250mA, Vi=8~25V – – 0.8 mA Output Noise Voltage f=10Hz~100kHz – 40 – μV Ripple Rejection f=120Hz, Vi=8~18V – 80 – dB Dropout Voltage TJ=25°C, Io=250mA – 2.0 – V Short Circuit Current TJ=25°C, Vi=35V – 0.1 – A Peak Current TJ=25°C – 1.0 – A Pinout: Pin Name Description 1 Input Input Voltage 2 GND Ground 3 Output Regulated 5V Output Footprint: Applications: Power supplies for microcontrollers. Arduino and embedded systems. Voltage regulation in PCBs. Consumer electronics. Industrial control circuits. Battery-powered devices. Sensor and logic circuit power. Package Includes: 1x 78M05 SMD Fixed Dropout Regulators 5V 6mA TO-252. Document: 78M05 Datasheet