NCP4586DMU28TCG

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The NCP4586DMU28TCG is an adjustable linear voltage regulator from ON Semiconductor. This device offers cost-effective integration of several features that are required for standard linear systems. The NCP4586 is a 2-amp complementary bipolar linear regulator designed for use in applications such as TV sets, VCRs, STBs, DSCs, DVCs, and other consumer electronic products.

This device provides an adjustable output voltage range of 1.235V to 15.0V, with an output voltage adjustable ratio of 100mV/1V. It features a low operating temperature range of -20°C to +85°C, and an absolute maximum rating of +18V. The device offers a wide input voltage range of 4.5V to 18V. It includes two voltage-feedback bipolar transistors that provide current limiting and thermal shutdown protection, and it is housed in the TO-220-5 package.

The NCP4586 is designed for use in voltage-regulated systems such as computer-assisted measurement and control equipment, automotive systems, computers, and telecommunications equipment. It is ideal for applications such as high-gain instrumentation amplifiers, low-noise audio amplifiers, and low-/high-battery applications. The device operates with an input supply voltage range of 7V to 18V and provides a lowquiescent current of only 3mA.

The NCP4586DMU28TCG is an adjustable linear voltage regulator which offers costeffective integration of several features that are required for standard linear systems. The IC features a wide operating temperature range of -20 to +85 °C and an absolute maximum rating of +18V. The device provides an adjustable output voltage range of 1.235V to 15.0V, with an output voltage adjustable ratio of 100mV/1V. It includes two voltage-feedback bipolar transistors which provide current limiting and thermal shutdown protection, and the device operates with an input supply voltage range of 7V to 18V.

The NCP4586DMU28TCG is a voltage regulator consisting of a voltage reference and an error amplifier connected as a transconductance amplifier. The error amplifier senses the output voltage and compares it with the voltage generated from the voltage reference. A control loop between these components maintains the output voltage of the device at a constant level, regardless of the input voltage or output current. The output of the error amplifier modifies the input signal to the power switch, thereby controlling the output current and, consequently, limiting the output voltage.

The error amplifier in the NCP4586DMU28TCG also provides a current limit protection feature by sensing the output current and limiting it when it exceeds the programmed threshold. Over-temperature protection is also provided by the device, which shuts down the output current to prevent damage due to thermal conditions. Additionally, the device has built-in EMI protection that prevents high-frequency noise from reaching the output of the regulator.

In conclusion, the NCP4586DMU28TCG offers improved cost efficiency and performance compared to discrete circuits, with its easy-to-use, cost-effective design. It is an ideal solution for applications such as TV sets, STBs, DSCs, DVCs, computers, and other consumer electronic products that require an adjustable linear voltage regulator.

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