LM9076S-5.0

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LM9076S-5.0 Application field and Working Principle

The LM9076S-5.0 is a low-cost, low-voltage linear voltage regulator designed for linear voltage regulation and control in systems where the input voltage is greater than 5.0V. It can be used in a variety of applications, including portable electronic devices, automotive systems and industrial systems.

Features

The LM9076S-5.0 is available in two packages, a single-channel adjustable or fixed at 5V and two-channel adjustable or fixed at 5V, as well as enabling remote sensing, higher current operation and thermal protection. Its core functional block includes the power MOSFET, error amplifier, voltage reference and pass elements, enabling complete three-terminal adjustable or fixed voltage regulation. This voltage regulator is set up by two external resistors (also one) and is offered in 3-pin and 4-pin TO-220 packages for single-channel configurations, and in 4-pin SIP packages for two-channel designs.

Working Principle

The working principle of the LM9076S-5.0 voltage regulator is based on the internal structure of a linear regulator. It uses a combination of a power MOSFET and an error amplifier to control the output voltage. When the output voltage exceeds the reference voltage, the error amplifier increases the gate voltage on the power MOSFET, reducing its current and thus the output voltage. When the output voltage drops below the reference voltage, the error amplifier decreases the gate voltage, thus increasing the output voltage.

In addition, to increase the performance and precision of the voltage regulator, the LM9076S-5.0 includes a programmable current limit, which prevents excessive output current from damaging the regulator and the system, as well as a start-up delay which prevents the regulator from starting up during a power-up transient. The regulator also features thermal protection which limits the temperature of the regulator. This prevents it from getting too hot and potentially damaging the system.

Applications

The LM9076S-5.0 can be used in a variety of applications, including in portable electronics and automotive systems. In portable electronics, the regulator can be used to regulate the output voltage of a battery or a power adapter to provide a stable power supply for the device. In automotive systems, the regulator can be used to monitor and control the voltage level at various points in the circuit, such as in the steering, suspension, body, and other systems. It can also be used to ensure a consistent voltage level across a wide range of operating conditions in industrial systems.

Conclusion

The LM9076S-5.0 is a low-cost and low-voltage linear voltage regulator designed for applications where the input voltage is greater than 5V. It features a power MOSFET, error amplifier, voltage reference, pass elements, and other features to enable complete three-terminal adjustable or fixed voltage regulation. The regulator can be used in a variety of applications, including in portable electronic devices, automotive systems, and industrial systems.

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