SG7905T-883B

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Introduction

SG7905T-883B is a linear voltage regulator which belongs to PMIC (Power Management IC) category, that is designed to provide a low noise, high efficiency, cost-effective voltage regulator solution to a wide range of applications. It has an adjustable output voltage range of 0.8 V to 8 V with a low quiescent current of 8 µA (Typical). Its maximum output current of 2 A and the wide input voltage range of 2.7 V to 16 V makes it ideal for use in laptops, smartphones, embedded systems, battery-powered systems, gaming devices, industrial systems, automotive systems and more.

Application Fields

SG7905T-883B is an excellent choice for use in mobile, embedded and industrial systems given its low quiescent current, high efficiency and wide input voltage range. It is also suitable for automotive applications such as car audio systems and infotainment systems due to its high output current capability and adjustable output voltage range of 0.8 V to 8 V. Further, the low output noise and temperature operation range from -40°C to +85°C makes it ideal for use in mission critical applications and ensures a reliable operation even in extreme environmental conditions.

Furthermore, its small form factor (8-Pin SOP package) makes it suitable for portable applications such as smartphones and gaming devices. SG7905T-883B is also suitable for powering up various sensors and ICs in medical devices such as patient monitors and other medical equipment.

Working Principle

SG7905T-883B operates in a three-terminal linear voltage regulator topology. The input voltage is applied to the IN pin and the fixed or adjustable output voltage is taken from the OUT pin of the device. The device has an integrated current limiter in order to provide protection against overload conditions. The feedback pin is connected to a voltage divider that sets the output voltage. The device also has an internal temperature protection circuit and a short-circuit protection circuit in case of short-circuits occurring across the output terminals.

The device has an integrated low dropout (LDO) regulator to ensure low output voltage ripple. The device also utilizes a foldback circuit to protect against input overvoltage conditions. The device also has an excellent line and load regulation. It is designed for high efficiency power conversion and provides excellent thermal performance to ensure reliable operation.

Conclusion

In conclusion, SG7905T-883B is an excellent choice for voltage regulators in embedded, mobile and industrial applications. The device has a wide adjustable output voltage range of 0.8 V to 8 V, high output current capabilities, low quiescent current, low output noise and excellent line and load regulation along with protection features such as current limiting and temperature protection. The device’s small form factor and wide input voltage range from 2.7 V to 16 V makes it suitable for portable applications such as laptops, smartphones and automotive systems while its temperature operation range from -40°C to +85°C ensures reliable operation even in extreme environmental conditions.

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