NCP1340B3D1R2G

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The NCP1340B3D1R2G is a powerful integrated alternating current (AC) to direct current (DC) converter power management IC (PMIC). It is typically used with an offline switcher in low power applications. The IC offers built-in protection against over-voltage, under-voltage, over-temperature and over-current, making it the ideal choice for cost sensitive designs.

The NCP1340B3D1R2G is a current-mode, pulse width modulated (PWM) switch having a minimum on-time of 250 nanoseconds and a current limit capability that can be adjusted from 10mA to a maximum of 1.25A. It employs a constant-frequency/constant-on-time (CFO/COT) architecture that allows the device to deliver efficient power conversion over a wide range of loads and line conditions. Additionally, the device features an internal synchronous rectification driver, allowing the converter to be operated at very high efficiency.

The NCP1340B3D1R2G has several protection features to protect against component failures or overload conditions. These include Over Temperature Protection (OTP), Over Current Limit Protection (OCLP) and Under Voltage Lockout (UVLO). OTP uses a temperature sensing system to sense component temperature and shuts down the device when it reaches a critical level. OCLP senses the output current of the converter and shuts down the device when the current exceeds a safe limit, while UVLO provides protection against under-voltage conditions.

The NCP1340B3D1R2G can be used in a wide range of applications, including consumer electronics, home appliances, office equipment, lighting, motor control and battery charger/inverters. It can also be used for switched-mode power supplies, voltage converters, and uninterruptible power supplies (UPS). The IC is designed to work with either a linear transformer or switch mode inductor, depending on the application requirements. It has a good power factor of 0.9 at full load and line conditions, making it suitable for all kinds of environments.

In summary, the NCP1340B3D1R2G is a highly versatile and efficient AC DC converter power management IC that can be used in a wide range of applications, from consumer electronics to motor control and battery charger/inverters. It offers excellent protection features, such as OTP, OCLP and UVLO, and it has an efficiency of up to 0.9 at full load and line conditions. This makes it the ideal choice for cost sensitive designs.

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