LM25019SDE/NOPB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power Management Integrated Circuit (PMIC) is a component or form of an integrated circuit that provides on chip system power management functions. This includes voltage regulation, power conditioning, power sequencing, system reset and systems ionization. PMICs comprise of a range of discrete devices, multi-function devices and even microcontrollers with integrated Power management features.

Voltage Regulators are devices that supply a certain voltage and are a major component of most Power Management Integrated Circuit (PMIC). DC-DC Switching Regulators, also known as Step-down or Buck regulators, provide adjustable output voltages from higher input sources. They turn on and off rapidly with the help of an internal switch, converting the AC supply power to an adjustable output DC voltage. The LM25019SDE/NOPB falls under this category, and is suitable for applications such as automotive, 5V/12V, industrial and consumer electronics.

 LM25019SDE/NOPB Field of Application & Working Principle

The LM25019SDE/NOPB is a non-synchronous buck switching regulator from Texas Instruments. It is a 3.2V to 36V voltage regulator with a maximum output current upto 6A. It contains an integrated high-side and low-side sensing circuitry to provide very good regulation of output voltages over an extended input voltage range. The high level of integration enables it to save space and other external components.

The LM25019SDE/NOPB has PGOOD (Power Good) output which is used to monitor load current and output voltage. Its features which allows it to deliver precisely regulated output voltages, even in noisy environments, makes it suitable for applications such as Automotive, industrial, computing, LED lighting, 5V/12V, PC and server power supplies, PoE systems and motor control.

The LM25019SDE/NOPB works on the Basic Switching Regulator topology. It uses an internal switch to rapidly turn on and off, converting AC supply to an adjustable output DC voltage. When the switch turns on, the voltage across the inductor increases and when the switch turns off, the voltage across the inductor reverses and helps the current in the output circuit.

The device has protection features such as Over-voltage Protection (OVP), Under-voltage Protection (UVP), Over-temperature Protection (OTP), Over-current Protection (OCP) and Over-power Protection (OPP). Feedback is taken from the output voltage and is compared with a reference voltage to regulate the output voltage.

 Conclusion

The LM25019SDE/NOPB from Texas Instruments is a non-synchronous buck switching regulator and is suitable for applications such as automotive, industrial, computing, LED lighting, 5V/12V, PC and server power supplies, PoE systems and motor control. It has a wide input voltage range and can deliver a precisely regulated output voltage over a wide range of conditions. The integrated high-side and low-side sensing circuit enables it to provide excellent regulation even in noisy environments. The device also has several protection features such as OVP, UVP, OTP, OCP, OPP and short circuit protection.

The specific data is subject to PDF, and the above content is for reference