0RQB-D0W12LG

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DC DC Converters

DC-DC converters are used in various applications such as in communications(eg: cell towers), power systems, military equipment, automotive and medical systems amongst others. The use of DC-DC converters is becoming increasingly popular as it provides efficient power conversion.

0RQB-D0W12LG Application Field and Working Principle

The 0RQB-D0W12LG DC-DC converter is a high efficiency, dual output, wide input voltage and low leakage switching regulator. It is usually used for converting a wide range AC/DC input voltage range into a lower voltage DC output. Its small size and light-weight make it suitable for the applications in communications, power system, military equipment, automotive systems and medical systems.

The 0RQB-D0W12LG DC-DC converter uses the pulse-width modulation (PWM) technique to provide high efficiency power conversion. The input voltage is first rectified then an internal switch (H-bridge) is used to convert the rectified voltage into a pulsating DC voltage. This pulsating voltage is then filtered to produce a steady DC voltage. The output voltage is regulated by controlling the on/off time of the internal switch. The internal switch also performs the function of step-up or step-down until it reaches the desired output voltage.

The 0RQB-D0W12LG has several attractive features compared to other switching regulators. It has a wide input voltage range of 4.75-20V, low power loss of 0.25W and low operational temperature of -40 to 105 Celsius. It also occupies very small board space, usually 30% smaller than other regulators. It can also deliver accurately regulated output voltage over a wide range of input and load conditions (< 0.25%) and it is capable of operating in a wide temperature range without any degradation in performance.

The 0RQB-D0W12LG also has good protection and monitoring features like an under-voltage lockout (UVLO) to protect itself from any condition that could cause the output voltage to drop below the minimum acceptable level. It also has an over-temperature protection (OTP) to shut down the regulator to prevent it from getting too hot and damage the circuit board. Other safety features include current limit protection and over-voltage/under-voltage monitoring.

In conclusion, the 0RQB-D0W12LG DC-DC converters are ideal for the applications in communications, power system, military equipment, automotive systems and medical systems. It is capable of providing high efficiency power conversion with low power loss, low operational temperature and small board space. It also has several safety features like UVLO, OTP, current limit protection and over-voltage/under-voltage monitoring.

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