LM9076BMA-5.0

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Introduction

The LM9076BMA-5.0 is a linear voltage regulator specifically designed for use in mobile audio applications, featuring low dropout performance, low quiescent current, and low noise. It is a three-terminal positive regulator and is fixed to a 5V output voltage. The LM9076BMA-5.0 was designed for use as an audio battery voltage regulator and serves to provide the device or application powered by the battery with a stable and clean power supply.

Application Field

The LM9076BMA-5.0 is designed for use in mobile audio applications, due to the low dropout performance, low quiescent current and low noise characteristics. The device consists of a voltage controlled oscillator, a reference voltage, and a pass transistor that enable a regulated, low-ripple 5V output. This voltage regulator is especially suitable for mobile audio applications, as it can provide a constant stable output voltage. It is also suitable for voltage regulation in audio power amplifier systems, consumer electronics, radio, TV sets, notebook PCs, PDAs, digital cameras and other portable devices.

Working Principle

The LM9076BMA-5.0 is a 3-terminal linear positive voltage regulator, which works on the principle of series voltage regulation. In this type of regulator, a reference voltage is generated and this reference voltage is compared to the input voltage. The difference between the two voltages is then amplified to drive a pass transistor. This pass transistor determines the output voltage of the regulator. The output of the regulator is generally the same as the reference voltage and the regulator is designed to provide a constant output voltage with minimal variation.

In the LM9076BMA-5.0, a voltage-controlled oscillator is used to generate the reference voltage. This reference voltage is compared to the input voltage, which is provided by the battery. If the input voltage varies, the reference voltage is adjusted accordingly in order to maintain the output voltage at 5V. The quiescent current of the device is controlled by an internal current-limiting circuit, which limits the current drawn from the battery.

Features and Benefits

The LM9076BMA-5.0 has several features and benefits, which make it a suitable choice for use in mobile audio applications. These features and benefits include the following:

• Low dropout performance: The device has a low dropout voltage, which maintains a high efficiency and avoids the need for a large heatsink.
• Low quiescent current: The device has a low quiescent current, which minimizes power consumption and prolongs battery life.
• Low noise: The device has an exceptionally low noise voltage, which makes it suitable for low-noise audio applications.
• Stable output voltage: The device has a regulated and low-ripple 5V that enables a stable output voltage.
• Over-voltage protection: The device has an over-voltage protection feature, which prevents the output voltage from rising above 5V.
• Current-limiting circuit: The device has an internal current-limiting circuit, which prevents excessive current from being drawn from the battery.

Conclusion

The LM9076BMA-5.0 is a linear voltage regulator specifically designed for use in mobile audio applications. It has a low dropout voltage and a low quiescent current, which help to minimize power consumption and prolong battery life. The device also features a low-noise voltage, which makes it suitable for low-noise audio applications, and a stable output voltage. The device is also protected from over-voltage by an internal current-limiting circuit, which prevents excessive current from being drawn from the battery. Overall, the LM9076BMA-5.0 is an ideal choice for use in mobile audio applications.

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