BD35222EFV-E2

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PMIC - Voltage Regulators - Linear is a component of power management integrated circuits (PMICs). Linear voltage regulators work by controlling the source voltage to produce an output voltage. The BD35222EFV-E2 series is a negative linear voltage regulator with high accuracy and low quiescent current. It is a step-down regulator with a wide operating current range and high efficiency, making it ideal for battery-powered systems.

The BD35222EFV-E2 is a single-chip, ultra-low quiescent current, negative output voltage regulator, with high accuracy, low drop-out (LDO) performance, and low power dissipation. It also has an output voltage of -1.24V to -15.0V with a 0.1V resolution. This device has a wide input voltage range from -2.2V to -24V and a maximum output current of 0.25A, which can support a variety of applications.

In addition, the BD35222EFV-E2 features a low quiescent current, which helps to optimize the battery life of battery-powered devices. It also features a wide adjustment range for the bias current, and a programmable soft-start setting for low start-up current. Additionally, the device has a built-in temperature output, reverse battery protection, short circuit protection, and thermal protection.

The BD35222EFV-E2 is used to provide a regulated voltage output, over a wide variation of input voltage and temperature. The series is typically used in mobile devices, electronic toys, medical equipment, industrial equipment, and other portable applications.

BD35222EFV-E2\'s working principle is based on the principle of feedback control. It uses an error amplifier to compare the output reference voltage to the output voltage. The output reference voltage is set by adjusting a voltage divider or using a voltage controlled voltage source (VCVS). The error amplifier then generates an error signal based on the difference between the output reference voltage and the actual output voltage. If there is too much voltage difference, the error amplifier will output a high voltage and the voltage regulator will turn on the device’s pass transistor. This will lower the output voltage. If the output voltage is too low, the error amplifier will output a low voltage and the regulator will turn off the device’s pass transistor. This will increase the output voltage. This constant adjustment of the output voltage helps to maintain a constant voltage at the output.

In addition, the BD35222EFV-E2 features several protection and monitor functions to ensure safety and reliability. These features include thermal shutdown to prevent excessive die temperature, reverse battery protection to prevent damage if the device is connected to a reverse polarity battery, over temperature protection to prevent excessive power dissipation and current limit protections to prevent overload.

The BD35222EFV-E2 is an ideal regulator for any application that requires a low drop-out voltage and high load current capability, low quiescent current, and accurate output voltage. It is highly efficient, with low power dissipation as well as easy to use and programmable, making it a great choice for battery-powered applications.

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