MCP1700-1202E/TO

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PMIC (Power Management Integrated Circuits) consists of voltage regulators, power switches, LED drivers, switchmode power supplies and charge control circuits that are widely used for electronic systems that require power supply management. Voltage regulators are electronic components, often in the form of an integrated circuit that controls the voltage level in an electronic system. Linear voltage regulators provide a constant output voltage over a range of input voltages by pulling the output voltage down towards a regulated reference voltage through a series pass-transistor. MCP1700-1202E/TO is a typical example of linear voltage regulators.

Overview Of MCP1700-1202E/TO

The MCP1700-1202E/TO is a low dropout (LDO) voltage regulator with a fixed output voltage of 1.2V and an input voltage range of 1.8V to 5.5V. This regulator features an ultra-low quiescent current of just 2µA, as well as an operating temperature range from -40°C to +125°C and an output stability of ±2%. The MCP1700-1202E/TO also has an excellent load/line transient response time of 1µs for better performance in demanding applications. The device is housed in a tiny 2mm x 1mm SOT-23 package and is lead-free.

Applications Of MCP1700-1202E/TO

The MCP1700-1202E/TO is typically used in a variety of low-power applications such as portable electronics (PDAs, cell phones, and digital cameras), battery-powered applications (medical devices, alarm systems, and data loggers), and automotive electronics (dashboards and infotainment systems). It is also used in communication systems (BTS power supplies and optical transceivers) and general-purpose applications (distributed power supplies, converters, and post-regulators).

Working Principle

The MCP1700-1202E/TO employs a low-dropout (LDO) regulator to maintain a constant output voltage. This regulator is a three-terminal device that contains an input voltage terminal (Vin), an output voltage terminal (Vout) and a ground terminal (GND). The input voltage is applied to the Vin terminal and the output voltage is obtained from the Vout terminal. The ground terminal is used to provide the return path for the current flow from the output voltage. The regulator works by comparing the input voltage with a reference voltage through an internal error amplifier. If the input voltage is higher than the reference voltage, the error amplifier will reduce the output voltage. Conversely, if the input voltage is lower than the reference voltage, the error amplifier will increase the output voltage. The output voltage can be set by adjusting the reference voltage, as well as by changing the values of the components that are connected externally to the regulator.

Features

The MCP1700-1202E/TO contains a number of features that make it suitable for use in a wide range of applications. It has an input voltage range of 1.8V to 5.5V and an output voltage of 1.2V with a tolerance of ±2%. It has a maximum output current of 100mA and an ultra-low quiescent current of just 2µA. It also features excellent load/line transient response time of 1µs, as well as an operating temperature range from -40°C to +125°C that allows it to be used in a variety of temperature sensitive applications. All these features make the MCP1700-1202E/TO an ideal choice for use in low-power applications with stringent requirements for power supply management.

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