LMS1587IT-1.5/NOPB

Within the Power Management IC (PMIC) market, linear voltage regulators are a popular choice for designers seeking to simplify system complexity. As advancements in technology have led to increased power requirements, the focus on power management has become increasingly important. The LMS1587IT-1.5/NOPB is a high-performance Linear Voltage Regulator (LVR) designed for use in a variety of applications. This article will explore the application field and working principle of the LMS1587IT-1.5/NOPB.

The LMS1587IT-1.5/NOPB is a high-performance Linear Voltage Regulator (LVR) designed to provide a cost-effective solution for powering 3.3 V systems. The device’s operating temperature range is -40°C to +85°C and its input voltage range is 7.0 V to 14 V. It offers an adjustable output voltage range of 1.15 V to 5.5 V. The maximum output current of 2.5 A makes it ideal for powering a variety of applications, such as microprocessors, FPGAs, and ASICs.

The device features a built-in input-voltage surge limiting circuit designed to protect against overvoltage transients. It also features an output-voltage tracking feature that allows the output voltage to be accurately tracked against the input voltage. The output voltage is adjustable, allowing designers to tailor the output voltage to their specific requirements. The device is designed to operate over a wide temperature range and offers a high level of protection against overvoltage, overcurrent and overtemperature conditions.

The LMS1587IT-1.5/NOPB offers a high level of efficiency and can withstand a maximum input ripple of 7%. The device has an output voltage accuracy of ±2% and over- and undervoltage protection of 5.8 V and 1.3 V, respectively. It also features an enable input, which can be used to switch the device on and off. The enable input requires a 0 V to 3.3 V logic signal to enable and disable the device, respectively. In addition, the output is electronically protected against short circuits, making the device suitable for automotive applications.

The working principle of the LMS1587IT-1.5/NOPB can be summarized as follows. When the input voltage is applied, the device uses a feedback loop to regulate the output voltage. The feedback loop is composed of a reference voltage, error amplifier, control and output networks. The reference voltage is compared to the output voltage by the error amplifier, and the output voltage is then adjusted to match the reference voltage. The control and output networks are used to control the current flow. The output voltage of the LMS1587IT-1.5/NOPB is adjustable, allowing it to be easily tailored to suit different applications.

In summary, the LMS1587IT-1.5/NOPB is a high-performance Linear Voltage Regulator (LVR) designed for a variety of applications. It features an adjustable output voltage range of 1.15 V to 5.5 V, a maximum output current of 2.5 A, and a wide operating temperature range. Its built-in input-voltage surge limiting circuit, output-voltage tracking feature and short-circuit protection make it suitable for automotive, microprocessor, FPGA, and ASIC applications. The device also has an enable input, allowing it to be controlled via a 0 V to 3.3 V logic signal. The working principle of the LMS1587IT-1.5/NOPB is based on a feedback loop which compares the reference voltage to the output voltage and adjusts the output voltage accordingly.