LM2587S-5.0

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LM2587S-5.0 is a low voltage DC-DC synchronous step-down switching regulator with a wide input voltage range of 2.7V to 28V. It is integrated with 0.45Ω (typical) internal power switch, high efficiency and low quiescent current. It can provide an output voltage up to 5V and output current up to 2.5A. The LM2587S-5.0 packs a wide assortment of features, such as a soft-start, internal short-circuit protection, thermal shutdown, line regulation and load regulation. In addition, it can be precisely trimmed to meet the tight output voltage tolerance.

The LM2587S-5.0 belongs to PMIC – Voltage Regulators – DC DC Switching Regulators. It is designed for low voltage applications, such as handheld electronic equipment, battery powered equipment, DSP/CPU core voltage, instrumentation, and telecom/datacom equipment.

The LM2587S-5.0 operation principle is based on the well-known voltage-mode control architecture. The input voltage is regulated through a pulse width modulation system. The internal switch control logic and current limit protection circuitry regulate the minimum off-time and maximum on-time of the switch. It also provides soft-start, line regulation, and thermal protection.

The LM2587S-5.0 is a highly integrated device with many features in a small package. It enables excellent efficiency and very fast transient responses. Its internal switch can withstand continuous short-circuit conditions. The input voltage can be up to 28V, making it suitable for a wide range of applications. The LM2587S-5.0 also has a low-noise operation and can be trimmed to precise output voltage.

The LM2587S-5.0 is a reliable and robust switching regulator with a wide input voltage range, fast transient response, and high efficiency. It is designed for use in a wide range of applications including handheld electronic equipment, battery-powered equipment, DSP/CPU core voltage, instrumentation, telecom/datacom equipment, and others. It is a compact solution that can provide excellent performance in a wide variety of power supply applications. .

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