UCC2805QDREP Integrated Circuits (ICs) |
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Allicdata Part #: | 296-18191-2-ND |
Manufacturer Part#: |
UCC2805QDREP |
Price: | $ 2.35 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC CURRENT-MODE PWM LP 8-SOIC |
More Detail: | Regulator Output DC-DC Controller IC 8-SOIC |
DataSheet: | UCC2805QDREP Datasheet/PDF |
Quantity: | 1000 |
2500 +: | $ 2.12940 |
Specifications
Series: | * |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Description
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UCC2805QDREP Application Field and Working Principle:UCC2805QDREP is a high-efficiency, high-performance and versatile voltage regulator. It can be classified as PMIC (Power Management IC) – Voltage Regulators – DC DC Switching Controllers. It is widely used in industrial field for power conversion, as well as in mobile instruments, gaming machines and other applications where high efficiency and precise control of voltage is necessary.The UCC2805QDREP chip is an advanced PWM (Pulse-Width Modulation) controller of direct current (DC) to direct current (DC) switching topology. It reduces significant power dissipation and offers high reliability in power conversion. Power management is the core application of UCC2805QDREP and it can also be utilized in designing high-performance linear regulation systems.UCC2805QDREP has a wide range of features including adjustable switching frequency, internal cycle-by-cycle current limiting, adjustable blanking times, power good functions, low-side switch control and a serial connection. These features make it suitable for many applications such as lighting, portable electronics, telecommunications and motor driving.UCC2805QDREP is capable of providing accurate regulation for most switching topologies at a wide range of operating modes including a fixed-rate, burst or discontinuous conduction modes. It is designed for regulating output voltages up to a maximum of 45V with a maximum input voltage of 50V. It operates at current up to 7A with a power dissipation range from 5W to 125W. It is also capable of providing over-current, over-voltage and under-voltage protection. The UCC2805QDREP is a complete pulse-width modulated (PWM) controller that includes an oscillator, a wide-range PWM comparator, a non-overlapping double-timer circuit, enable logic and a logic converter. The series of operations starts with the oscillator which produces a continuous waveform. This waveform is used as a reference point for the PWM comparator in the UCC2805QDREP.The PWM comparator compares the reference waveform to the input voltage. If the input voltage is higher than the voltage of the reference waveform, the comparator will generate a square waveform that is modulated by the input voltage. This modulated waveform is then used to drive the associated non-overlapping double-timer circuit. The non-overlapping double-timer circuit consists of two timers that are controlled by the modulated waveform.The first timer (T1) controls the on-time duration of the power switch, while the second timer (T2) controls the off-time duration of the switch. As the values of T1 and T2 increase, the power switch is operated at a higher frequency. This process is called Pulse Width Modulation (PWM). The UCC2805QDREP provides precise control over the switching frequencies which ensures reliable and efficient DC to DC conversion.Moreover, the number of switching times is also adjustable, which enables the user to adjust the power consumption of the converter. Furthermore, UCC2805QDREP also has a built-in power-good signal, which indicates the reliability of the output power to the connected load.Finally, the UCC2805QDREP offers advanced protection features such as over-current protection, over-voltage protection and under-voltage protection. These features protect the connected devices from being damaged by unexpected voltage changes or over-currents.UCC2805QDREP has a wide range of applications in industries, due to its high-efficiency, high-performance and versatile features. It is suitable for many applications such as lighting, industrial power supplies, telecommunications and motor driving systems. It can also be used in designing high-performance linear regulation systems. In conclusion, UCC2805QDREP is an advanced DC to DC switching controller that offers numerous features to make your application efficient and reliable. It is capable of providing accurate regulation and protecting the connected devices from being damaged due to unexpected voltage changes or over-currents.The specific data is subject to PDF, and the above content is for reference
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