IFX21401MBHTSA1 Integrated Circuits (ICs)

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IFX21401MBHTSA1 is a Linear Voltage Regulator from Power Management ICs (PMICs). It is a buck regulator providing very low noise and high PSRR at light load. This device is especially suited for low power applications where low noise and low power consumption are key requirements. It offers an onboard voltage reference, adjustable output voltage, and configurable input voltage range. It also features an integrated power good indicator, power fail detect circuitry, and output load fault detection circuitry.

The IFX21401MBHTSA1 is suitable for a variety of applications, such as notebook and tablet computer power supplies, battery-powered systems, cellular phone chargers, industrial process control and metering, power supplies for LED lighting, and outdoor LED signage. It is also suitable for automotive applications requiring low quiescent current, such as instrument clusters and starter systems.

The IFX21401MBHTSA1 uses three stages of voltage regulation. The first stage is a high-frequency buck converter with an asymmetric control scheme. This enables the device to achieve a high efficiency level and minimize on-die dissipation. The second stage is an adjustable low-dropout linear regulator with a fixed voltage reference source, which eliminates output voltage fluctuations due to the fluctuations of the input voltage. The third stage is a low-dropout linear regulator designed for a low-noise output.

The IFX21401MBHTSA1 features several key features that improve performance, such as its integrated reference and adjustable output voltage capability, which enables the user to set output voltage as desired. Additionally, the device is capable of providing up to 1.5A of continuous output current and includes current limit, thermal protection, and short circuit protection to ensure safe operation. The IFX21401MBHTSA1 also features an extendable soft start, which helps reduce inrush currents and minimize the load transient response time.

In addition to its low quiescent current, high efficiency, and low noise output, the IFX21401MBHTSA1 also offers several other features for enhanced power management. These include linear voltage positioning, which reduces the area of inductors and capacitors required for a switching regulator; power-good indicators which allow the user to detect a valid output voltage; and adjustable overvoltage protection, which prevents the device from operating at excessively high voltages.

The IFX21401MBHTSA1 is a robust, highly efficient linear voltage regulator designed for a wide variety of applications. It offers excellent power conversion efficiency, low noise output, and an adjustable output voltage. Additionally, it features a range of protection features, such as current limit, thermal protection, and adjustable over-voltage protection. These features, coupled with its low quiescent current and low power consumption, make the IFX21401MBHTSA1 a great choice for applications requiring a reliable and efficient power supply.

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