Voltage - Supply (Vcc/Vdd):	2.5 V ~ 10 V
Supplier Device Package:	8-MSOP
Package / Case:	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	100%
Frequency - Switching:	300kHz
Series:	--
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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S-8540C18FN-ICDT2G Application Field and Working Principle

Introduction

The S-8540C18FN-ICDT2G is one of the many voltage regulators and DC/DC switching controllers in the Picor family of Power Management Integrated Circuits (PMIC). Picor has developed a wide range of analog and digital power management solutions to support the high-performance and power-efficiency requirements of today’s telecommunications, computing, consumer and industrial applications. The S-8540C18FN-ICDT2G specifically has power-supplies for high-density and high-performance applications.

Application Fields

The main application fields of the S-8540C18FN-ICDT2G includes any consumer and industrial electronics that require high-performance and high-efficiency. Such items include middle range and high-end computers, laptops and audio systems, solid-state drives, digital cameras, portable and automotive electronics, networking and telecommunications systems, consumer appliances and portable and wearable products. This regulator is best utilized with devices that require a specialized range of input and output voltages, as well as with systems that need to support high-power requirements. The S-8540C18FN-ICDT2G\'s built-in power-efficiency makes it ideal for use in a wide variety of consumer and industrial electronics. With its ability to regulate and manage power efficiently, designers can easily develop lower power designs with the S-8540C18FN-ICDT2G, as it enables maximum integration and reduces the number of external components required for the power circuit.

Working Principle

The S-8540C18FN-ICDT2G works by using two types of controllers: a voltage regulator controller and a switching controller. The voltage regulator controller manages the voltage supplied to the load to maintain a desired output voltage, which can range from 3.3V to 13V. It works by enabling/disabling a series of voltage regulating elements when the voltage falls outside of its specified set points. When the input voltage is lower than the minimum operating voltage, then the voltage regulator controller will reduce the output current and prevent the input voltage from overloading the power supply.The switching controller, on the other hand, manages the switching output voltage of the power supply. The switching controller works by controlling the switching elements in order to modify the output voltage waveform and adjust the output power of the system. This helps to optimize the efficiency of the power supply and reduce the amount of power wasted.

Conclusion

The S-8540C18FN-ICDT2G power-supply is designed for use in a wide variety of consumer and industrial applications that require high-performance and high-efficiency. With its two controllers—the voltage regulator controller and the switching controller—the device is equipped to regulate and manage power efficiently, enabling the user to maximize integration and reduce the number of external components required for the power circuit.

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