L5957

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Converter, Car Audio System
Voltage - Input:	6 V ~ 18 V
Number of Outputs:	4
Voltage - Output:	3.3V, 5V, 8.5V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	Multiwatt-15 (Vertical, Bent and Staggered Leads)
Supplier Device Package:	15-Multiwatt
Base Part Number:	L5957

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L5957 Application Field and Working Principle

The L5957 is a monolithic integrated voltage regulator component from STMicroelectronics\' PMIC (Power Management IC) series. It belongs to the Special Purpose Voltage Regulators category and is designed for use in fast and accurate regulation of both step-up and step-down applications.The L5957 offers high efficiency and a wide input voltage range, allowing it to be used in both linear and switch mode applications. It includes two integrated MOSFETs, one N-channel and one P-channel, which allow it to be used in both buck and boost configurations. This means it can be used for both step-up and step-down applications, and it can also be used in applications that require negative output voltages.The L5957 also features programmable output voltage settings, which means it can be easily adjusted for use in specific applications. It also features a wide output voltage range, from 1.5V to 28V, and an adjustable output current up to 6A. This makes it suitable for applications requiring high power output.In addition to its high output power, the L5957 also has an integrated programmable over-temperature protection (OTP) and over-current protection (OCP). This OTP and OCP prevents the device from being damaged by voltage or current surges.The L5957 is also able to monitor the output voltage in order to ensure the output voltage remains within the set range. It also includes a soft-start feature to help prevent unexpected inrush current.The L5957 is a easy-to-use, versatile device. Its wide range of features make it suitable for a variety of applications. It is well suited for use in automotive systems, consumer electronics, industrial devices, and many other applications that require reliable regulation of output voltage and current.

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