UC3874DWTR-1

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The UC3874DWTR-1 product from TI is an advanced DC to DC switching controller. It’s a Non-Isolated High and Low Side MOSFET Driver, ideal for performance and efficient operation in various applications. The device features an “intelligent” switching capability for regulating the output voltage, an integrated soft start operation, and various other features and protections, such as over temperature, over voltage, and over current regulation. The UC3874DWTR-1 has a wide range of applications and is suitable for use in a variety of power supplies, such as DC to DC converters and AC to DC Power Supplies. It is also suitable for use in standard laptop adapters, and is suitable for car chargers, digital camera adapters, and other consumer and commercial applications.The UC3874DWTR-1 has an adjustable voltage regulator for a wide range input voltage operation and an adjustable current limit for maximum power point tracking (MPPT) operation. This device also features variable output voltage from 0.25 to 32V, and a variable output current from 0.2 to 8A.

The UC3874DWTR-1 supports both single and multi-channel converters, and is highly efficient with high-frequency, high-current operation. It is designed to provide maximum system flexibility and control. The high switching frequency and low input ripple current enables high efficiency and fast transient response, with a minimum EMI and RFI filter size, to reduce system cost.The integrated soft start feature of the UC3874DWTR-1 reduces the current surge at the start of operation, reducing system power consumption and enabling clean power supply. This device is also designed to protect against reverse battery insertion, and is compatible with standard feedback, control and logic power supplies, such as TTL logic and CMOS logic. In addition, the UC3874DWTR-1 also features hysteretic control for efficient operation in a wide range of input voltage and output voltage, as well as Protection features including adjustable undervoltage lockout (UVLO), overvoltage protection (OVP) and thermal shutdown (TSD). The device also includes overcurrent protection (OCP) to protect against overload and short-circuit conditions. For maximum protection, the device offers a built-in glitch filter and EMI/RFI filter.

The UC3874DWTR-1 is highly efficient and requires minimal external components, as it integrates both a driver stage and an internal feedback control section. The device also offers an internal feedback control section with shut-down and reset capability, allowing the user to set the range of operation and the voltage compliance of the output voltage.This device is designed to meet the rigorous performance and safety requirements of many applications. It offers the highest levels of flexibility, efficiency, reliability and protection. In conclusion, the UC3874DWTR-1 is a versatile and cost-effective DC to DC controller for a wide range of applications, making it a great choice for those needing performance, low power, and protective features all in one package.

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