MCP1703A-2502E/DB

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PMIC - Voltage Regulators - Linear covers a wide array of products that meet specific needs of different kinds of applications. One of the most advanced linear voltage regulators is the MCP1703A-2502E/DB. This device can provide low dropout voltage, low power consumption, and noise-free performance. Furthermore, it has been specifically designed to address the needs of applications like portable electronic devices, modern automotive applications, and power management systems.

The MCP1703A-2502E/DB is a high-performance, voltage regulator which operates from a 2.7V to 6.0V input voltage range and offers 250mA of continuous output current. It features a low dropout voltage of 180mV at its full load, along with an ultra-low quiescent current of 50μA when the output voltage is regulated. Its wide input voltage range makes it suitable for applications that need high efficiency, such as car accessories, navigation, and communication.

The MCP1703A-2502E/DB provides an accurate output voltage, adjustable in the range of 1.2V to 5.5V. It also has a fast transient response and high load-transient immunity. In addition to its low power consumption, the device offers a fast start up time of 7μs, pull down immunity of 7V, and a circuit output protection of 8V. It also provides a 2.5V reference output, and a power-on reset function.

The MCP1703A-2502E/DB also features Over-Current Protection (OCP) and Thermal Shutdown (TS). The OCP limits the output current to a specified maximum value when the output current exceeds this value. The TS feature allows the device to shut down if the temperature reaches a specified value, thus protecting the device from any damage due to overloads. Also, the device comes with an Enable Control pin, which can be used to switch off the device in case of any emergency.

The working principle of the MCP1703A-2502E/DB is based on a linear regulator, wherein a differential amplifier compares the output voltage with a reference voltage, and adjusts the output voltage by controlling the output current. This is done by a series pass switch which is connected in series with a resistor and a shunt regulator. The resistor acts as a current source and the shunt regulator acts as a voltage source. The switch is opened or closed depending on the output voltage, allowing or blocking the amount of current necessary to regulate the output voltage.

The resistor\'s value determines the load current and the shunt regulator determines the output voltage. When the voltage across the resistor reaches a predetermined level, the switch is opened, cutting off the current supplied to the load, and the output voltage is regulated. The MCP1703A-2502E/DB features a super high-precision voltage reference, which ensures the output voltage is accurately held at the reference value with a low temperature coefficient.

The MCP1703A-2502E/DB has been designed for a wide range of applications. It is ideal for automotive, navigation, communication, and other portable electronic products that need precise power management. Additionally, it has been designed to provide very low noise voltage regulation, and very high efficiency. This makes the device an excellent choice for applications that require precise and reliable power supply.

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