LM2576HVT-15/NOPB

LM2576HVT-15/NOPB

The LM2576HVT-15 PMIC - Voltage Regulators - DC DC Switching Regulators is an integrated switching regulator with high frequency architecture. It is designed to provide an efficient, low-noise, lower-cost, and better-regulated output voltage with minimal external components. The PMIC voltage regulator is a step-down switching regulator with an adjustable output of 1.2V to 5.5V and up to 3.0A of load current.

The LM2576HVT-15 has a peak efficiency rating of up to 86%, and its wide input voltage range of 6V to 65V allows for a variety of power sources such as batteries, vessels and wall adapters. Its low quiescent current of 20mA powers the internal switch in the device and is ideal for low power applications. The LM2576 also features a wide operating temperature range of -40°C to +85°C, making it suitable for a wide variety of applications.

Application Field

The LM2576HVT-15 PMIC voltage regulator is suitable for a wide range of applications, including portable devices, transmitters, and consumer devices such as radios and other consumer electronics. It can also be used in distributed power conversion applications such as distributed telemetry and in auxiliary power supplies and motor drive applications.

Working principle

The LM2576HVT-15 PMIC voltage regulator is a fixed frequency, PWM (SWF), step-down switching regulator with an adjustable output voltage. It is capable of providing up to 3A of continuous output current. The device\'s internal switch is driven by an oscillator, which is controlled by the oscillator frequency and its duty cycle.

The device contains built-in power MOSFETs and control logic to provide a high efficiency, low-noise solution with no external components. The device also has an enable pin that can be driven to keep the device in low power mode when not in use. The device is also protected by over-current, over-temperature and under-voltage features to ensure that it operates reliably and efficiently in a wide variety of applications.

In summary, the LM2576HVT-15 PMIC voltage regulator is an effective low-cost way to generate a small-voltage supply helping alleviate component complexity and provide good power density and reliability.