Allicdata Part #: | LNBH221PD-ND |
Manufacturer Part#: |
LNBH221PD |
Price: | $ 3.13 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC LNB SUPP&CTRL DUAL 36-PWRSOIC |
More Detail: | - Converter, Analog and Digital Satellite STB Rece... |
DataSheet: | LNBH221PD Datasheet/PDF |
Quantity: | 1000 |
310 +: | $ 2.84886 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Applications: | Converter, Analog and Digital Satellite STB Receivers/SatTV |
Voltage - Input: | 8 V ~ 15 V |
Number of Outputs: | 2 |
Voltage - Output: | 13.3V, 18V |
Operating Temperature: | 0°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 36-BSSOP (0.433", 11.00mm Width) Exposed Pad |
Supplier Device Package: | PowerSO-36 |
Base Part Number: | LNBH221 |
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Introduction
The LNBH221PD is a special purpose voltage regulator from the family of PMIC Voltage Regulators. It is a 3 terminal, monolithic switch-mode power supply, with an adjustable output voltage between 4.5V and 23.2V. This versatile device provides high performance, low power management and a constant current source for a wide range of applications. It offers excellent load regulation, current protection, over-temperature protection, under-voltage protection and short circuit protection. It is also RoHS compliant.
Features
- 3 terminal, monolithic switch-mode power supply
- Adjustable output voltage between 4.5V and 23.2V
- High performance and low power management
- Constant current source up to 12A
- Excellent load regulation, current protection
- Over-temperature protection, under-voltage protection and short circuit protection
- RoHS compliant
Applications
The LNBH221PD is suitable for powering LED lighting, server power supply, solar power machinery and other power devices requiring a constant current source. It is also capable of providing high current output for a variety of other applications such as computing, industrial and automotive.
Working Principle
The LNBH221PD works by converting the input voltage into a constant current source. It does this by using a voltage comparator that is connected to a feedback loop and a voltage reference. The reference voltage is compared to the feedback loop voltage, and if the difference is greater than the set threshold, the power transistor is turned on and the output voltage is adjusted to the desired voltage level. The output voltage is regulated by controlling the switching frequency of the power transistor, thus allowing the output voltage to be held constant while the input voltage changes.
The LNBH221PD also features over-temperature protection, under-voltage protection and short circuit protection, which help to protect the device from overload and excessive temperatures.
Conclusion
The LNBH221PD is a versatile and reliable voltage regulator from the PMIC family of voltage regulators. It can provide a constant current source up to 12A and offers excellent load regulation, over-temperature protection, under-voltage protection and short circuit protection. It can be used for powering LED lighting, server power supply, solar power machinery and a variety of other applications.
The specific data is subject to PDF, and the above content is for reference
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