DRC9115E0L

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The DRC9115E0L is a Single, Pre-Biased Transistors - Bipolar (BJT) device. It is a DC/DC converter with a Zero-voltage (ZVS) switching topology that is optimized for low output voltage ripple. It is designed to provide a regulated output voltage of up to 64V in a compact form factor. The device is suitable for industrial and medical applications, where low output voltage ripple is required for a reliable and stable operation.

The DRC9115E0L utilizes a full-bridge converter topology and a self-driven ZVS technique, which consists of two transistors. This ZVS switching technique is used to reduce the switching loss in the transistors and improve the efficiency of the converter. The device also features internal regulation and soft-start circuits to regulate and limit the output voltage during the start-up mode.

The output voltage regulation is obtained by controlling the duty cycle of the converter. The duty cycle is adjusted by a control loop in the device, which consists of an internal error amplifier, a voltage divider and a temperature supervisor. The error amplifier senses the output voltage and compares it with an internal reference voltage. Depending on the difference between the reference voltage and the output voltage, the converter duty cycle is adjusted.

In terms of electrical characteristics, the DRC9115E0L is capable of providing up to 15A output current with a maximum input voltage of up to 40V. The converter has a switching frequency of up to 100kHz, with a minimum on-time of 300ns and a minimum off-time of 200ns. The device claims an efficiency of up to 95%.

The device also offers enhanced EMI performance by integrating intelligent EMI noise reduction technique such as spread spectrum frequency and soft-mode frequency hopping. This EMI control technique makes it suitable for applications where minimized EMI is of utmost importance. Another important feature of the device is its over-voltage, over-temperature and over-current protection.

In terms of its application field, the DRC9115E0L excels in industrial and medical applications due to its high efficiency, low-voltage ripple, and robust protection. Examples of applications include industrial LED lighting and medical equipment such as X-ray machines and MRI systems.

Overall, the DRC9115E0L is a high-efficiency DC/DC converter, which combines a zero-voltage switching technique and various protection features that makes it suitable for industrial and medical applications where low-voltage ripple and minimized EMI performance is a premium.

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