STR-W6756

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The STR-W6756 IC is an integrated voltage regulator circuit specifically designed for switchmode power supplies and Offline switching applications. As a pulse width modulation (PWM) controller, STR-W6756 features an optimized cycle-by-cycle current limit, which ensures more reliable protection against current surges and overloading. In addition, it is also equipped with an integrated protection circuit as an additional safeguard. With these features, the STR-W6756 is able to provide superior system performance, power saving efficiency, and reliable ultra-low voltage regulation.

The STR-W6756 is mainly used for the design of low-frequency, low-power switchmode power supplies such as chargers and adapters. The device is also suitable for most offline switching applications and can be used in flyback, resonant, and forward-converter topologies. The STR-W6756 is available in packages ranging from a 2.0mm to 4.5mm pin pitch and can be used to regulate input voltages from 4.5V to 24V. The output voltage of the device can be set from 3.3V to 20V.

The STR-W6756 IC integrates several features that make power supply design much easier. It features an integrated feedback voltage divider for easy voltage programming, as well as several onboard protection features to improve system reliability. For example, the integrated overdilution limiter monitors and limits the overvoltage. The oscillator frequency and internal compensation networks are also adjustable to provide precise voltage output control and optimization.

The working principle of the STR-W6756 IC is based on the PWM control topology. Inside the device, a PWM comparator compares the output voltage with an adjustable reference signal and generates a logic signal to control the switch. The switch then controls the output voltage and current in order to regulate the current flow and ensure voltage accuracy. The output voltage regulation is also regulated by a feedback loop, which compares the voltage at the output to a reference signal and adjusts the switching frequency accordingly. This allows the device to maintain a steady output voltage even under load fluctuations.

The STR-W6756 is an effective and reliable voltage regulator for switchmode power supplies and offline switching applications. It integrates several features that make the design process much easier and faster. It is also able to deliver reliable output voltage regulation with improved precision and power efficiency. The device helps to reduce system cost and complexity, making it an ideal choice for AC/DC converters and switchmode power supplies.

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