MCP1703AT-1802E/DB

PMIC - Voltage Regulators - Linear - MCP1703AT-1802E/DB application field and working principle.

MCP1703 series is a low-power voltage regulator. It is a high-performance, tiny -output linear regulator integrated with a low-side P-channel MOSFET. Its core size is only 2mm × 1.2mm, designed to be ideally suitable for wearable products, as well as globally-certified small handheld products. It is equipped with high-accuracy voltage settings options ranging from 1.8 V~6.0 V.

The MCP1703AT-1802E/DB is a low-power, tiny-output adjustable linear regulator integrated with a low side P-channel MOSFET for buck-boost and boost applications. It is capable of delivering an output current of 3A and with a tight load regulation of 1.2mV maximum over the entire operating current range. Additionally, its high conversion efficiency also provides tight line and load regulation.

Application Field

The MCP1703AT-1802E/DB has numerous applications. It is suitable for high power and low power applications. One application is in portable electronic devices where it is used to provide stable power supply. It can also be used in consumer products as a power supply stabilizer or as a low-power voltage regulator in automotive applications. It is also suitable to be used in a wide variety of industrial applications such as telecommunication, industrial control, networking, and automotive applications.

Working Principle

The MCP1703AT-1802E/DB works by converting the input voltage into a regulated output voltage. It uses an error amplifier to control the P-channel MOSFET, to provide a constant output voltage. The output voltage is set using external resistors. The output voltage is constantly monitored using an internal 1.2mΩ sense resistor and the regulated voltage is provided over the entire operating temperature and current ranges. The output stage design allows for a low ground current and low output noise. The current limit circuit is also incorporated for protection against overloads and short-circuits.

Overall, the MCP1703AT-1802E/DB is an excellent option when low-power, tiny-output linear power regulator is needed. It provides great performance with a low-side P-channel MOSFET, wide input operating voltage range and low-noise output. It has varied application possibilities and its small size makes it perfect for applications that require precise voltage regulation in a small form factor.