CS8151YDPS7G

Voltage Dropout (Max):	0.6V @ 100mA
Base Part Number:	CS8151
Supplier Device Package:	D2PAK-7
Package / Case:	TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Over Voltage, Short Circuit
Control Features:	Reset, Wake-Up, Watchdog
PSRR:	75dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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CS8151YDPS7G Application Field and Working Principle

Introduction

The CS8151YDPS7G is a linear regulator PMIC (Power Management Integrated Circuit) designed in response to the demands of a variety of complex power management applications. This device offers a wide array of features, including low drop-out (LDO) performance, low power ON/OFF control, temperature monitoring, and adjustable voltage selection. The device offers excellent line and load regulation accuracy and includes an adjustable voltage range for precise voltage regulation.

Application Field

The CS8151YDPS7G is an ideal solution for powering applications that require a low-noise, efficient, and reliable power supply. The device offers an efficient power solution for digital and analog circuits, telecommunications, and industrial power systems. The device is also suitable for applications where controlled power sequencing is necessary, such as processors and telecommunications systems.The device is designed to provide regulated power supply to multiple circuits while remaining tolerant to small changes in the input or load, which allows it to operate in a wide variety of environments. This feature makes it an ideal choice for a variety of industrial, automotive, and consumer products that require efficient power supplies, such as portable electronic devices, computers, telecommunications systems, and medical equipment.

Working Principle

The working principle of the CS8151YDPS7G is based on the concept of regulating voltage using an integrated feedback loop. The device utilizes a voltage reference, a power switch, and an error amplifier, along with other components, to maintain a constant voltage output.The voltage reference is set to the desired output voltage. The voltage difference between the reference voltage and the actual output voltage is amplified by the error amplifier, and the amplified signal is used to control the power switch. If the output voltage drops, the error amplifier will increase the signal sent to the power switch, which will result in an increase in current flow and a resulting increase in the output voltage. Similarly, if the output voltage rises, the error amplifier will reduce the signal sent to the power switch, resulting in a decrease in current flow and a corresponding decrease in the output voltage.The device also provides protection features such as over-voltage and over-current protection, thermal shutdown, open-loop detection, and a watchdog timer for timed control and monitoring.

Conclusion

The CS8151YDPS7G is a linear regulator PMIC that is ideal for a variety of power management applications. It provides excellent line and load regulation accuracy, adjustable voltage range for precise voltage regulation, and low-noise, efficient, and reliable power supply operation. The device also includes protection features such as over-voltage and over-current protection, thermal shutdown, open-loop detection, and a watchdog timer for timed control and monitoring.

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