AP2125KS-2.8TRG1

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AP2125KS-2.8TRG1 is an adjustable linear regulator produced by Advanced Power Solutions. It is designed to provide a medium-voltage, pre-regulated output voltage, with very low drop-out and low supply current. It can be used in various applications such as handheld/embedded systems, computers, audio/video systems and home appliances.

The AP2125KS-2.8TRG1 is a very compact, integrated circuit-based device which features a wide input voltage range, low output noise and low standby current. It has excellent load/line transient response and temperature/voltage compensation.

It provides a fixed output voltage with a regulated current sense output (ISEN). The output voltage is typically 2.8V and can be adjusted from 1.8V to 10V using external resistors. The regulator has an adjustable drop-out voltage and a programmable current limit.

The power saving feature of AP2125KS-2.8TRG1 is its ability to shut down its regulator when not in use. This feature allows for very low quiescent current consumption and increases battery life in portable devices. It also reduces EMI/RFI interference.

The input and output protection circuit of the AP2125KS-2.8TRG1 provides protection against output short-circuit, input short-circuit and over-voltage conditions. The device is designed to operate in temperatures ranging from -40°C to +120°C.

The working principle of the AP2125KS-2.8TRG1 is based on a voltage sensing circuit and an error amplifier, which controls the voltage reference. The voltage reference is compared with the set output voltage and the error amplifier proportionally varies the output current. This variation of the output current, then compensates the voltage drop and maintains the output voltage constant.

The AP2125KS-2.8TRG1 can be used in a wide variety of applications that require a medium-voltage, pre-regulated output voltage. Some of these applications include battery-operated portable electronic systems, consumer electronic systems, telecommunications systems and automotive systems.

In summary, the AP2125KS-2.8TRG1 is a very small, integrated linear voltage regulator which has excellent load/line transient response, low quiescent current, wide input voltage and adjustable current limits. It is highly reliable, provides steady regulated output voltage, and can be used in many DC power supply applications.

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