MC7908CD2T

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The MC7908CD2T is a dual-output power supply designed with a -12V fixed voltage positive linear regulator, ideal for use in applications that require two secure voltage sources. The MC7908CD2T is from the Analog Devices family of Peak-ECO™ linear voltage regulators and is commonly used to provide an isolated output for power supply chain sequencing and for powering a complementary output pair in communications software.

The MC7908CD2T linear regulator IC provides a pair of steady, constant output voltages with ±25 mV accuracy over temperature. As a cost-effective solution, this IC combines the latest voltage regulator technology with a low quiescent current of typically 12 mA. Furthermore, the high power-efficiency of this device results in less waste heat, meaning that designs using the MC7908CD2T linear regulator are generally more compact and require less cooling.

The MC7908CD2T has a peak efficiency of 92%, allowing for excellent thermal performance. To accommodate field-adjustable solutions, the MC7908CD2T allows for voltage adjustment up to ± 15% of the output voltage during operation. This feature allows the output voltage to be changed without an external reference voltage.

The MC7908CD2T linear regulator features built-in thermal shutdown, overvolatge protection, and current limiting. The device also has an automatic output current limiting shutdown. This feature is designed to protect the device in the event of a short circuit.

This linear regulator is intended for use in applications where both low noise and high output current are required. The MC7908CD2T linear regulator is ideal for power supply applications such as telecom and industrial power supplies, consumer electronics, and battery-powered applications. In addition, this device can be used in automotive and avionics applications.

The MC7908CD2T linear voltage regulator weighs and measures in a very small size which allows for greater design flexibility and ease of implementation. Its dimensions are 3.2mm x 3.2mm x 0.75mm, and it is extremely light, weighing only 0.24g. The device is also no-lead, and the operating temperature ranges from -40℃ to +85℃.

When the MC7908CD2T linear regulator IC is powered on, the battery, or the main power supply, is supplied with voltage and current until the voltage on the input reaches the regulated level. The regulator then controls the current flow, maintaining a constant voltage across the output. The discrete components involved are usually a comparator, an operational amplifier and a control circuit. The output voltage is compared with the reference Voltage. The control circuit ensures that the output voltage is kept in line with the reference voltage.

The MC7908CD2T is a comprehensive and efficient solution designed to meet the requirements of wide array of applications. It is a cost-effective linear regulator that is reliable, efficient and capable of withstanding high-temperature environments. In addition, its long life expectancy makes it an ideal choice for applications that require sustained output voltage stability.

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