AS1330-BTDT-AD

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AS1330-BTDT-AD Application Field and Working Principle

The AS1330-BTDT-AD belongs to the family of PMIC - Voltage Regulators - DC DC Switching Regulators. It is an advanced, high-performance, step-down switching regulator with integrated low-side sense resistor and soft-start circuit. It is suitable for automotive and industrial applications that require wide input voltage range, high output current and high efficiency.

The AS1330-BTDT-AD voltage regulator provides excellent inductor-side current sensing, allowing the output current to be accurately controlled. It also offers complete protection against output short-circuits conditions and open load conditions. The device is fully integrated, containing an on-board voltage regulator, sync-FET, low-side sense resistor, and output sense resistor.

The AS1330-BTDT-AD voltage regulator is designed for efficient operation over a wide input voltage range. It is suitable for operation with Vin ranges from 9V to 45V. The device features a Low-Dropout (LDO) Voltage regulator for generating a regulated output of 3.3V or 5V. This voltage regulator is based on a simple current sensing technique and provides excellent output regulation and transient response.

Operationally, the AS1330-BTDT-AD voltage regulator can switch between different frequency settings. The switching frequency is adjustable and can be set between 200KHz - 2MHz. This allows the user to maximize efficiency while satisfying the needs of the system. In addition to frequency selection, the device includes a dual-mode sleep control pin to lower the current consumption in certain applications.

The AS1330-BTDT-AD has a smart error flag output, which provides digital indication of an error. The indicator output is activated in the case of an over-temperature warning, under-voltage lock-out (UVLO), over-voltage lock-out (OVLO) or an external fault. The device also features a power-good signal-output pin and a soft-start winding-enable pin for smoother startup.

The AS1330-BTDT-AD voltage regulator is substantially thermally-matched to the absence of external heat sinks to maintain an optimum thermal environment. It offers a wide range of input/output voltage ratios, allowing for a higher degree of flexibility in system design. The device also provides a low power reset when the input voltage drops below a preset level. The integrated voltage and current protection features in the device ensure maximum system reliability and stability.

In conclusion, the AS1330-BTDT-AD voltage regulator is an advanced and highly-efficient DC DC switching regulator that is specifically designed to meet the requirements of demanding automotive and industrial applications. It offers variable frequency operation, low-dropout voltage regulation, over-temperature protection, over-current protection, output short-circuit protection and soft-start winding-enable functions. It also provides a power-good signal output and an error flag for detecting any system errors or malfunctions.

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