MIC6315-30D3U TR

The MIC6315-30D3U TR is a low-quiescent current, low dropout linear regulator (LDO) that can operate over an extended range of input voltages. It is a member of the MIC6315 series of LDO regulators, and is designed for applications where ultra-low dropout and low quiescent current are important. It can provide load currents up to 1.0A and has a total quiescent current of only 5.0 μA over the entire temperature range.

The MIC6315-30D3U TR is a precision voltage regulator with a fixed output voltage of 3.0V. It has a very low dropout voltage of only 200mV when loaded with 1.0A and a typical output voltage accuracy of ±0.9%. Its low dropout voltage makes it highly efficient and resistant to thermal stress when used in applications with a wide input voltage range.

The MIC6315-30D3U TR is suitable for use in portable applications requiring low noise, low quiescent current, or high efficiency. It is also well suited for high performance, multi-rail systems and various point-of-load applications where power savings and low noise are critical. Its wide input voltage range makes it ideal for use in lithium-ion battery-powered applications, USB or wall adapter powering, and various industrial or consumer products.

Application Field

The MIC6315-30D3U TR is suitable for a wide range of applications, such as mobile phone power management, notebook computer power management, and consumer electronics. Its low noise and low quiescent current features allow it to provide superior performance in many applications. Its wide input voltage range and accurate voltage regulation make it ideal for use with lithium-ion battery-powered applications, USB- or wall adapter-powered products, and numerous consumer electronic products. It also provides superior performance in multiple rail systems and point-of-load applications, allowing designers to easily and efficiently manage multiple power supplies.

Working Principle

The MIC6315-30D3U TR is a low dropout (LDO) regulator. It works by regulating the output voltage to a set value using a voltage divider consisting of two fixed resistors and one adjustable resistor. The adjustable resistor for adjusting the output voltage is connected to the feedback pin of the device. The reference voltage from this pin is compared to the voltage across the voltage divider, and the output voltage is adjusted accordingly. The low dropout feature of the device is achieved by regulating the output voltage to within hundreds of millivolts of the input voltage, allowing the device to regulate the output voltage more accurately.

The device also features low quiescent current, allowing it to draw low current from the power source for operation. This low quiescent current helps to reduce system power consumption and extend battery life in applications where battery power is important. Additionally, the device can provide up to 1.0A of load current, making it suitable for many applications.

The MIC6315-30D3U TR is designed to provide low dropout, low noise, and low quiescent current, making it an ideal choice for many power management applications. Its wide input voltage range and accurate voltage regulation makes it especially suitable for lithium-ion battery-powered applications and consumer electronics. Its low dropout voltage and low quiescent current features make it an efficient and reliable choice for many applications, providing superior performance where power savings and low noise are critical.