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CS8161YTVA5 Application Field and Working Principle

CS8161YTVA5 is one of the most advanced linear voltage regulators developed by CSR Semiconductor on the market. This device is a 3 Terminal Low Dropout (LDO) regulator and is capable of providing up to 300mA of output current at an output voltage of 5V. It is most suitable for low power applications, such as powering small sensors, embedded systems, computer peripherals, etc. It is also ideal for battery-powered applications. In this article, we will discuss the application field, working principle and features of CS8161YTVA5.

Application Field

The CS8161YTVA5 is a highly efficient 3 Terminal LDO voltage regulator, ideal for applications that require a low dropout voltage and high current delivery. It features an output voltage of 5V and can deliver up to 300mA of current. This makes it suitable for applications where a low-noise, low power supply and high reliability are required. It is also ideal for battery-powered applications, as it can provide a stable output voltage even when the battery is drained.

The CS8161YTVA5 LDO voltage regulator is suitable for use in a wide range of applications and is suitable for powering a variety of sensors, embedded systems and computer peripherals. It is also particularly suitable for handheld devices, such as tablets and cell phones, due to its light weight and compact design. In addition, it can be used in communication and consumer electronic products, as a reliable supply for audio and left/right power channels.

Working Principle

The CS8161YTVA5 is a 3 Terminal voltage regulator, which means that an input voltage is applied to the pins labeled ‘IN’ and ‘OUT’, while the third pin is labeled ‘EN’ and it is used to control and enable the voltage regulator. The device is controlled by an Enable/Disable pin, which is used to set the output voltage of the regulator to either an Enabled mode, where the output voltage is actively controlled, or a Disabled mode, where the output voltage is kept in a High-Z state.

The device works by using an internal voltage divider to detect the difference between the input and output voltages. If the difference between the input and output voltages rises above certain voltage, the device will adjust the internal resistance to reduce the output voltage. This ensures a stable output voltage even when the input voltage is varying.

To ensure zero power switching, the CS8161YTVA5 voltage regulator also features a zero-heat shutdown mode, which reduces the power output of the device when a certain level of output voltage drift is detected. The device is also protected from over-temperature and short-circuit conditions.

Features

The CS8161YTVA5 LDO voltage regulator offers a variety of features to ensure reliable and efficient power delivery:

• High Current Delivery (300mA)
• Low Dropout Voltage (typically 5%, 0.8V at 150mA)
• Zero Power Switching
• High Efficiency
• Compact Design
• Thermal Protection
• Over-Voltage Protection
• Lightweight
• Reversible Enable/Disable
• Low Input Voltage (1.4V)
• High Voltage Input (21V)

The CS8161YTVA5 voltage regulator is an ideal choice for low power applications that require both precision and high current delivery. With its low dropout voltage, high efficiency, and lightweight design, it is a reliable and efficient solution for a variety of embedded and consumer electronic products.

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