MCP1703AT-3002E/DB

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TheMCP1703AT-3002E/DB is a Linear Voltage Regulator, which is specifically designed to be used in a wide range of applications in the Power Management Integrated Circuit (PMIC) family.

The MCP1703AT-3002E/DB is a low-dropout (LDO) regulator with a working voltage range of 1.8V to 15V and a maximum current of 300mA. It is an ultra-low noise, low-power linear regulator plus load switch, capable of providing high accuracy power solutions to enable minimal transient response for portable applications. The enable/disable is also extremely low, with a voltage of 0.5V to 0.6V.

The MCP1703AT-3002E/DB is designed to convert a higher input voltage to a lower output voltage. It is used in many applications where a low output voltage is required, such as microprocessors, memory, and logic circuits. The device compensates for line and load regulation and provides maximum current limiting. The device also includes a thermal shut-down feature, which prevents the device from overheating or damage due to over current conditions. It also includes a PGOOD (Power Good) pin, which indicates the output voltage has reached its load setpoint.

The basic operating principle for this Linear Voltage Regulator is straightforward. It works by placing a resistor between the input and output pins. When a voltage is applied to the input pin, the resistor will cause some of the voltage to drop across it. This voltage drop is then regulated to keep the output voltage at its set point (or at a minimum level of 5%, whichever is greater). The resistor also acts as the source of thermal shut-down by controlling the temperature of the device.

The MCP1703AT-3002E/DB is ideal for small portable applications such as cellular phones, PDAs, and digital cameras, as well as stationary applications such as laptop and desk top computers. It is also suitable for automotive applications and battery power systems. The chip remains active in sleep mode, so it does not require an external sleep timer circuit. It is also RoHS-compliant, and can be operated over a -40°C to +125°C temperature range.

In conclusion, the MCP1703AT-3002E/DB is an efficient and reliable linear voltage regulator, with a very low dropout voltage, ultra-low noise operation, and power-saving features. It is widely used in a variety of applications and is an excellent choice for portable devices and battery powered systems, or any application where precise voltage regulation and low noise operation is required.

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