CS8101YDWFR20

Current - Output:	100mA
Base Part Number:	CS8101
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Over Voltage, Reverse Polarity, Short Circuit
Control Features:	Enable, Reset
PSRR:	75dB (120Hz)
Current - Supply (Max):	20mA
Current - Quiescent (Iq):	140µA
Series:	--
Voltage Dropout (Max):	0.6V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

CS8101YDWFR20 is a linear voltage regulator that belongs to thePMIC (Power Management Integrated Circuit) family. It is specifically used for microprocessor cores in low-power semiconductor products. This linear voltage regulator provides excellent performance for circuit protection and current regulation.

Application Field

The CS8101YDWFR20 is used in a variety of applications, including portable electronic devices such as mobile phones, digital meters, and medical equipment. Its adjustable output voltage range of 0.6V to 5.5 V enables designers to optimize power chain solutions while achieving excellent thermal performance.Especially, the CS8101YDWFR20 is well suited for applications such as microprocessor cores, as it is designed to provide high accuracy voltage regulation and improved efficiency. It can also be used in battery charging solutions and low-power wireless solutions due to its low quiescent current.

Working Principle

The CS8101YDWFR20 works on the principle of linear voltage regulation. It is essentially a voltage controlled current source, where a resistive device between the input and output determines the output voltage.There are two main components in the CS8101YDWFR20, the current source and the voltage regulator. The current source generates a constant current to maintain a constant output voltage. On the other hand, the voltage regulator generates the voltage reference signal to control the current source.The current source and voltage regulator work together: the output voltage is determined by the output current, which is determined by the voltage reference, which is generated by the voltage regulator.The CS8101YDWFR20 also has an adjustable power good signal, which provides accurate information regarding the status of the output voltage and current. This signal is useful for managing the power supply and to ensure maximum efficiency in the system.

Conclusion

The CS8101YDWFR20 linear voltage regulator is a power management integrated circuit that is designed to provide excellent performance in various applications, particularly in microprocessor cores. Its adjustable output voltage range of 0.6V to 5.5V allows designers to optimize power chain solutions while achieving high accuracy voltage regulation and improved efficiency. Its power good signal can also provide useful information regarding the status of the output voltage and current. Overall, the CS8101YDWFR20 is a reliable and efficient linear voltage regulator that can meet the needs of most design engineers.

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