AP130-25RL-7

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• AP130-25RL-7 Application Field and Working Principle

The AP130-25RL-7 is a linear voltage regulator. This voltage regulator is adopted for low-cost and low-noise applications in which a significant dissipation of power is not expected. Its comprehensive qualities make this voltage regulator usable in a wide range of environments and applications.

The AP130-25RL-7 is a single-channel, low-dropout adjustable linear regulator with a maximum dropout voltage of 1.3V. The voltage regulator is built with a low quiescent current of 9.5mA. The device has a 0% to 90% duty cycle and a 5V-2V switching frequency. It is capable of controlling both Vcc/GND and VIN/GND rails that is observed in many devices and power ICs requiring power management.

The AP130-25RL-7 is available in an SOT-23 package making it a compact solution. The operating temperature range of this voltage regulator is -40°C to +85°C, making the device suitable for use in a variety of applications. The device is also capable of driving up to 35mA of current and has an integrated fast transient response.

• Working Principle

The basic working principle behind the AP130-25RL-7 is to use a linear voltage regulator chip to provide a stable voltage on the input side by using a feedback loop to control the output voltage without needing to vary the input. The current flow from the input to the output is regulated by an internal voltage reference. This voltage reference is connected to an error amplifier which is then connected to an adjustable output voltage setpoint. The output voltage is compared to the reference voltage and an error signal is sent to the error amplifier to adjust the output voltage accordingly. A feedback loop is then connected from the output side to the error amplifier, and the feedback loop adjusts the output voltage by modulating the internal current.

The AP130-25RL-7 also features a soft-start feature, which limits in-rush current at start-up, reducing the output voltage drop and providing a better start-up. This feature helps reduce output ripple, overcurrent, and overvoltage conditions by allowing the voltage regulator to detect and respond to output voltage drop and overcurrent conditions.

In addition to the features already mentioned, the AP130-25RL-7 also features low shutdown current, over-temperature protection, adjustable current limit, and an integrated thermal shutdown circuit, making it a reliable and efficient linear voltage regulator.

• Applications

The AP130-25RL-7 is widely used in a variety of applications. It can be used to regulate the voltage of automotive electronics, audio amplifiers, control systems, battery-powered equipment, and lighting and industrial process control systems. It is also suitable for use in DC/DC converters, and data and communication systems. The device is particularly suitable for mobile applications due to its wide input voltage range, low standby current, and low quiescent current. The device is also compatible with 5 Volt and 3.3 Volt digital systems such as ASICs, DSPs and TAPLs. Lastly, the low dropout and fast transient response provide an ideal regulator for energy efficient applications.

The AP130-25RL-7 has been designed for efficient operation and cost-effectiveness which makes it a great choice for any system requiring low-noise, low-cost, reliable power regulation. This makes it an ideal choice for a wide range of applications and environments.

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