LNBH21PD-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Converter, Analog and Digital Satellite STB Receivers/SatTV
Voltage - Input:	8 V ~ 15 V
Number of Outputs:	1
Voltage - Output:	13.3V, 18V
Operating Temperature:	0°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-PowerSOIC (0.433", 11.00mm Width)
Supplier Device Package:	PowerSO-20
Base Part Number:	LNBH21

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LNBH21PD-TR Application Field and Working Principle

Introduction to LNBH21PD-TR

LNBH21PD-TR is a type of special purpose voltage regulator, that is designed to deliver a constant and accurate voltage to the loads that require a lower voltage. It is typically used in remote radio and base station applications, such as radio frequency (RF) and microwave systems. The system has the capability of providing a constant output voltage of up to 5 volts in both linear (DC) and switched-mode (AC) configurations.

Application Field

LNBH21PD-TR voltage regulator is suitable for applications that require a stable and accurate supply voltage to reduce power losses, increase efficiency and maintain a consistent performance. It is mainly used in radio frequency (RF) and microwave systems, telecommunications systems, Ethernet networking, radar systems, and industrial controllers.The device is built with a differential input design, providing a low-noise and isolated output for superior reliability. It is also built with an on-board PLL (phase-locked loop) circuit, which synchronizes the system\'s input and output voltages. This, combined with its low-output ripple and low capacitance, make the LNBH21PD-TR perfect for applications that require low-noise, accurate and precise voltage regulation.

Working Principle

The LNBH21PD-TR voltage regulator works based on a switching converter principle, in which it uses a voltage regulator IC (integrated circuit) to adjust the output voltage of the system. By connecting it to an external power supply and the load, the device is able to provide a precise and stable output voltage.In order to ensure an accurate output voltage, the regulator has two separate control loops: the voltage loop and the current loop. The voltage loop is used to detect any fluctuations in the output voltage and adjust it accordingly. On the other hand, the current loop is used to detect any surges or drops in the current demand of the system and adjusts itself accordingly.

In operation, the LNBH21PD-TR voltage regulator has a fail-safe protection system that guarantees that the system\'s output voltage will remain within a range, even if the system is overloaded or underloaded. In the event of an over-current condition, the regulator will immediately shut down the output, protecting the load from any further damage.

Conclusion

The LNBH21PD-TR voltage regulator is a highly reliable voltage regulator used in a wide range of applications. It is designed to deliver a constant and accurate voltage to the loads that require a lower voltage, providing protection from extreme temperatures, short-circuits and over-currents. It is suitable for applications such as remote radio and base station applications, telecommunications systems, Ethernet networking, radar systems, and industrial controllers.

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