Allicdata Part #: | RT8525GSTR-ND |
Manufacturer Part#: |
RT8525GS |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Richtek USA Inc. |
Short Description: | IC REG BOOST CTRLR DIM SOP-14 |
More Detail: | Regulator Output DC-DC Controller IC 14-SOP |
DataSheet: | RT8525GS Datasheet/PDF |
Quantity: | 1000 |
Series: | * |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 14-SOP |
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RT8525GS Application Field and Working Principle
RT8525GS is a DC-DC switching controller from Richtek Technology Corp that is categorized under the PMIC– Voltage Regulators – DC DC Switching Controllers group. This device is designed for use in a wide range of applications, particularly those with high power, such as power supplies, DC-DC converters and battery-based systems. This integrated circuit (IC) is ideal for use with power MOSFETs and inductors to supply 3.3V and 5V output voltages.
Features
RT8525GS features a calibrated internal oscillator (22MHz) for less external components and smaller layout area, an optimized design for increased efficiency and improved power conversion, a low dropout (LDO) regulator for active bias supply for the full load operation, programmable overvoltage protection and programmable cycle-by-cycle current limit which helps reducing the external component count. This DC-DC switching controller also comes with an integrated overvoltage protection circuit and an adjustable PWM frequency up to 400kHz.
Application Fields
Some possible application fields for RT8525GS include DC/DC converters, laptop/notebook and desktop PCs, DVD players/TVs, PDAs and mobile phones, tablet and e-readers, digital cameras/camcorders, and other high-current, high-power applications. This DC-DC switching controller produces output voltages of 3.3V and 5V and is ideal for use with power MOSFETs and Level-A cL inductors to boost efficiency.
Working Principle
At the core, RT8525GS is a DC-DC switching controller that works by operating in a “switch-mode” regime, namely, it switches between multiple power supply states rapidly. This provides high power conversion efficiency compared to linear-mode regulators. In a simplified working principle, input voltage from a supply source is fed into the controller. The controller then alternates rapidly between providing power to the output and charging up an external capacitor or inductor, continuously switching between the two states. This results in output voltage that is a steady and regulated multiple of the input voltage.
Conclusion
RT8525GS is a DC-DC switching controller from Richtek Technology Corp that provides efficient power conversion and is ideal for use in a wide range of applications, particularly those with high power requirements. This controller features a range of useful features including an integrated overvoltage protection circuit and a calibrated internal oscillator (22MHz) as well as an adjustable PWM frequency up to 400kHz. Its application fields include power supplies, DC-DC converters, and higher current/higher power applications such as laptops/notebook PCs, DVD players/TVs, PDAs and mobile phones, digital cameras/camcorders, and more.
The specific data is subject to PDF, and the above content is for reference
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