AN78L10M

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Introduction

AN78L10M is an advanced linear voltage regulator designed for voltage management applications. Its range of applications stretches across various industries, from automotive to industrial. AN78L10M features a wide input voltage range, high output voltage accuracy, ultra-high efficiency, fast transient and overload response, as well as low-noise operation, which makes it suitable for most industrial and automotive applications.

AN78L10M is a three-terminal adjustable device which includes a ground terminal, a voltage-setting terminal, and an output terminal. It is configured as a low drop out voltage regulator and provides short circuit, thermal overload and reverse polarity protection for the input source. The device operates from an input voltage range of 5V to 40V, and provides an adjustable output voltage of 7V to 12V.

AN78L10M Application Fields

AN78L10M is a versatile voltage regulator chip that is suitable for a wide range of applications, including automotive systems, solar energy, medical, industrial and communication systems. Its wide input voltage range, ultra-high efficiency, extremely fast transient response and low-noise operation make it optimal for many power and control applications. Its three-terminal adjustable device configuration provides flexible voltage output adjustment, making it ideal for battery-powered devices, such as laptops and portable power tools, automotive power management, renewable energy and more.

The AN78L10M’s ultra-high efficiency, low-noise operation, and fast transient response make it an ideal choice for use in high-efficiency power converters such as AC to DC power supplies, DC/DC converters, switching regulators and charge pumps. Its wide input voltage range and adjustable output voltage range make it suitable for powering digital circuits and microprocessors, typically found in LCD displays and portable microphones.

AN78L10M Working Principles

The AN78L10M works by using the following components: a reference voltage source, an adjustable micro-current amplifier, and an output buffer. The reference voltage is generated by a zener diode or a resistor voltage divider. This reference voltage is used to determine the output voltage. The output voltage is then adjusted using the adjustable micro-current amplifier, which senses changes in the voltage and fine-tunes the output to the required voltage. The output voltage is then buffered using an output buffer. This prevents the output voltage from being affected by the load.

The AN78L10M also has a sense pin, which allows it to operate at a predictable level, regardless of any output current changes. The sense pin can sense temperature variations and other changes, and makes sure that the output voltage is within the desired range.

The AN78L10M is a current-mode voltage regulator that is configured for continuous current operation. It requires a minimum of external components, such as two resistors, two capacitors and one diode to function. The device is also protected from reverse polarity, thermal overload, and short circuit conditions, as well as inrush current and EMI/RFI interference.

Conclusion

AN78L10M is a versatile voltage regulator chip that is suitable for a wide range of applications, due to its wide input voltage range, ultra-high efficiency, extremely fast transient response and low-noise operation. Its three-terminal adjustable device configuration allows for flexible voltage output adjustment, making it ideal for battery-powered devices and renewable energy applications. The AN78L10M is a current-mode voltage regulator that requires minimal external components, and is protected from reverse polarity, thermal overload, and short circuit conditions, as well as inrush current and EMI/RFI interference.

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