LT3062IDCB-5#TRPBF

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LT3062IDCB-5#TRPBF Application Field and Working Principle

The LT3062IDCB-5#TRPBF is a high-performance, single-channel step-down converters from Linear Technology, specifically designed for sensitive radio frequency (RF) circuits. It offers a wide input voltage range of 2.4 V to 28 V, and provides both high conversion efficiency (up to 95%), and low output noise of only 3 µVRMS for efficient power delivery.

This advanced device provides excellent RF performance, featuring 6 dB peak-to-peak output ripple and an adjustable switching frequency of up to 2 MHz. The LT3062IDCB-5#TRPBF also features ESD protection, open-circuit/short-circuit protection, undervoltage/overvoltage protection, and thermal shutdown protection. The high degree of integration and advanced protection features make the LT3062IDCB-5#TRPBF well suited for many applications including RF transceivers, cellular Base Station transceivers, and mobile/other wireless devices.

Application Field

The LT3062IDCB-5#TRPBF voltage regulator has a wide range of applications including RF transceivers, cellular Base Station transceivers, and mobile/other wireless devices. This device is specifically designed to provide superior power supply performance with low output noise, fast transient response, good ripple rejection, and high efficiency. Its flexible input voltage range and integrated protection features make it suitable for a wide range of applications.

Working Principle

The LT3062IDCB-5#TRPBF voltage regulator operates on the principle of voltage feedback control. It takes in a power supply voltage, either from an adapter or external battery, and regulates it to the required output voltage. The voltage regulator uses a voltage feedback circuit to compare the output voltage to the required reference voltage, and then amplifies the difference between them. This amplified signal is then used to control an internal oscillator, and the oscillator sets the frequency of its switching output circuit, thereby adjusting the output voltage. The LT3062IDCB-5#TRPBF voltage regulator also employs other advanced technologies, like frequency foldback and dynamic voltage positioning (DVP), to ensure both high efficiency and low output noise.

The LT3062IDCB-5#TRPBF voltage regulator is optimized for RF noise-sensitive applications. It features high-frequency noise reduction circuits, which ensures low output noise levels up to only 3 µVRMS at the lowest load current, while an internal high-precision circuit maintains accurate output voltage regulation over line and load fluctuations.

The LT3062IDCB-5#TRPBF voltage regulator also provides robust protection features, including ESD protection, open-circuit/short-circuit protection, undervoltage/overvoltage protection, and thermal shutdown protection, to ensure reliable operation and protect the device from potential damage due to overloads, over-temperatures, and other hazardous conditions.

Conclusion

The LT3062IDCB-5#TRPBF voltage regulator from Linear Technology is a versatile, high-performance step-down converter, designed for noise-sensitive applications. An extensive set of integrated protection features ensures safe and reliable operation. The high efficiency, low output noise, fast transient response, and good ripple rejection make this device suitable for a wide range of applications, including RF transceivers, cellular Base Station transceivers, and mobile/other wireless devices.

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