NCP1351CDR2G

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The NCP1351CDR2G is a 6-pin integrated power management integrated circuit (PMIC) designed for offline switcher applications. It operates with an input voltage ranging from 8V to 300V, enabling it to be used for both ac and dc converters. This device is targeted at applications such as motor drives, domestic appliances, consumer electronics, lighting controls and power supplies. The NCP1351CDR2G implements a full set of features to reduce system cost and optimize overall performance. It has an integrated one-time programmable (OTP) circuit that allows easy customization of parameters without re-designing or changing components in the system. It also features flexible protection and diagnostics functions, including over-voltage protection, thermal overload protection, and overload protection. Additionally, it includes an internal soft-start feature and a power-saving mode that help reduce the input inrush current and improves efficiency when operating in light load conditions.

This device operates with an external PWM signal. When the external PWM signal is low, the output of the device is shut off and no current is drawn from the input source. When the PWM signal is high, the device starts to switch current from the input to the output. The NCP1351CDR2G uses a CMOS-based oscillator to monitor the input voltage and the output voltage in order to adjust the control parameters of the converter accordingly. Status indication and internal protection features are provided to enable the device to operate in a safe and reliable manner.

The NCP1351CDR2G offers a variety of features that make it suitable for a wide range of applications. It has an adjustable soft-start function to reduce inrush current, an adjustable oscillator period that allows the user to optimize the converter’s efficiency, and a power save mode that reduces the converter’s power consumption when in light load conditions. Additionally, the device offers protection from over-voltage, over-current, and thermal overload. It is available in a Thin-Small-Outline-Package (TSOP-6) for easy implementation and has a wide operating temperature range from -25°C to +85°C.

The NCP1351CDR2G is an integrated power management PMIC with a wide input voltage range that makes it ideal for both ac and dc converters. With an internal OTP circuit and a robust suite of features, it offers high performance and reliability in offline switcher applications such as motor drives, domestic appliances, consumer electronics, lighting controls and power supplies.

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