LM4128DMF-2.0

LM4128DMF-2.0 Application Field and Working Principle belongs to a group of PMIC (Power Management IC) items called Voltage Reference. Voltage Reference provides a constant voltage output across its output terminals, which also serves as a reference voltage to other circuits. The basic circuit of Voltage Reference is quite simple, with just two resistors and one voltage reference transistor.

The LM4128DMF-2.0 is a low-dropout regulator with two adjustable output pins. It features high output current and low voltage dropout voltage. The two adjustable output pins provide a 0.2V to 2.4V adjustable linear output range. It has good line and load regulation which can maintain output voltage accuracy and stability. The LM4128DMF-2.0 also offers external protection options such as overvoltage protection (OVP) and overcurrent protection (OCP).

The LM4128DMF-2.0 provides an output voltage accuracy of ±2%. It also provides a low noise output voltage voltage. It has low dropout voltage, making it ideal for use in low power systems. The dropout voltage is typically 8mV at the full load condition.

The LM4128DMF-2.0 is available in 8-pin (TQFN) and 5-pin (QFN) packages. It also has short circuit and over temperature protection. It has low power consumption, making it suitable for applications where power is a concern. It is highly reliable, making it suitable for automotive applications.

The working principle of the LM4128DMF-2.0 is quite simple. The output voltage of the Voltage Reference is determined by the resistor divider ratio and the input voltage. The output voltage from the Voltage Reference is also affected by a feedback loop which helps to maintain accuracy and stability. The output voltage can also be adjusted using a resistor divider or by using an external reference. To protect the device from overvoltage and overcurrent, the LM4128DMF-2.0 has a built-in protection circuit.

The LM4128DMF-2.0 is ideally suited for a number of applications such as voltage regulation, precision voltage reference, motor control, and automotive electronic control. It has a wide operating temperature range from -40°C to +125°C and is suitable for automotive applications.

In conclusion, the LM4128DMF-2.0 is a robust and reliable voltage reference device. It provides high accuracy and stability and is suitable for a wide range of applications. It offers protection features against overvoltage and overcurrent and has low power consumption. With its good line and load regulation, it is suitable for high performance and reliable system solutions.