REG71050DDCTG4

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REG71050DDCTG4 is a category of Power Management Integrated Circuit (PMIC) DC DC Switching Regulator given by Linear Technology Corporation. It is a series of CMOS DC-DC Buck Switches, which is easy to use and efficient in applications. It offers 3A high efficiency and low output ripple, in addition to its accurate current setting. It also provides variable output voltage and adjustable switching frequency, which makes it suitable for a wide range of designs.

The REG71050DDCTG4 is an ideal choice for designs which require a low quiescent current, due to its low quiescent current of 2.6 mA. It is specifically designed for automotive systems. It features voltage variations over a temperature range of -40°C to +125°C. The device comes in a TO-220 package, with a total weight of 0.3 g.

In terms of application field, the REG71050DDCTG4 is suitable for automotive system power supply, building automation, commercial vehicle, industrial appliances, and telecommunication system. The voltage regulation or voltage transformation of these systems can be achieved through REG71050DDCTG4 easily. In order to get the best performance of the regulator, its output impedance required to be set less than 0.05 ohm.

In order for the REG71050DDCTG4 to work properly, the input voltage source required should greater than the output voltage, with an additional voltage requirement from 1.5 V to 5 V. As for the inductor used, the magnetic saturation rating should not exceed 1.5 Vdc, due to the internal pulse width modulation (PWM) control switching mode. The switching frequency is a design choice, as it can be adjusted from 300kHz to 1.5MHz. The PWM controller also has soft-start, over-current protection, load dump protection and overtemperature protection, which not only help to ensure better efficacy, but also safety of the system.

To sum up, Linear Technology Corporation provides REG71050DDCTG4 as an easy-to-use and efficient DC DC switching regulator, which is specially designed for automotive system. Its 3A high efficiency and low output ripple makes it ideal for application field including automotive system power supply, building automation, commercial vehicle, industrial appliances, and telecommunication system. What’s more, it comes with a TO-220 package, and integrates with soft-start, over-current protection, load dump protection and overtemperature protection, which further guarantee the safety use of the regulator.

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