LM5045MH/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 circuits (PMIC) are very important electronic components for the robust performance of many different electrical systems. One such product among them is the LM5045MH/NOPB. It is a monolithic integrated circuit from Texas Instruments and is one of the cost effective solutions for AC-DC, offline switchers.

The LM5045MH/NOPB is a multi-function PWM controller which combines high efficiency and low power dissipation for offline power supplies. It offers a variety of features such as, 4kV of line surge immunity, frequency dithering and control hysteresis making it ideal for applications requiring improved efficiency and low output ripple voltage. The IC also provides a number of protection features such as, thermal protection, VCC over-current protection, output under-voltage protection, output over-voltage protection etc.

The LM5045MH/NOPB can operate from a variety of input voltage sources. It can be powered by 85 V to 265 VAC, 120 V to 370 VDC or 5.5 VDC to 16.5 VDC. The IC has a wide operating temperature range of -40°C to +125°C, making it suitable for operating in demanding industrial applications. The low temperature drift of line regulation also facilitates it to operate efficiently at different line and temperature conditions.

The IC employs an innovative surge immunity topology, which allows it to operate even in severe over-voltage conditions while still maintaining required output regulation. It integrates several features to allow rapid transient response and efficient operation in a wide range of applications. In addition, the IC features configurable deadtime, which eliminates cross conduction and allows the use of lower cost MOSFET switches.

The LM5045MH/NOPB utilizes a Peak-Current-Mode control loop for easy system design and improved down-converter performance. It integrates high-side current sensing and slow start-up circuit to minimize the conduction losses, increase system efficiency and reduce EMI radiation. The IC also includes internal MOSFET drivers for high-side and low-side switches with integral diodes to support both synchronous and non-synchronous topologies.

A major advantage of the LM5045MH/NOPB is its flexible architecture. It can be configured to support various switching topologies such as boost, flyback, current fed forward and transitions mode converters. It also features several protection features such as over voltage, under voltage, over current and over temperature protection. This ensures robust and efficient operation in various charging applications.

The LM5045MH/NOPB IC can be used in various applications such as Switch Mode Power Supplies (SMPS), Battery chargers, DC-DC converters, and other DC-AC power converters. These devices help to reduce the number of external components, increase system efficiency and improve reliability. Therefore, the LM5045MH/NOPB is a suitable choice for cost effective, efficient and reliable AC-DC converters and offline switchers.

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