NCP1340B5D1R2G

PMIC - AC DC Converters, Offline Switchers

The NCP1340B5D1R2G is a Productronica 2013 Micropower Switching Regulators (PMIC). It is a type of high performance AC-DC converter, which is primarily intended for offline switcher applications. This device, which is designed and manufactured by ON Semiconductor, is capable of operating from an input voltage range of 85 to 265 VAC and delivering an output voltage of 5 V with a maximum continuous output power of 3.6 W.

The NCP1340B5D1R2G has the capability to provide an integrated power supply for applications such as LED lighting, consumer electronics and industrial equipment. This device is designed to work over a potentially wide input voltage range to make it suitable for application use in a variety of environments, including areas with fluctuating mains supplies. It is preferable in these environments because of its robust design, high efficiency and its ability to provide an integrated power solution.

The NCP1340B5D1R2G is a sophisticated device. It employs an innovative input voltage sensing circuit, which enables its robust protection features, including an under-voltage lockout and Burst Mode operation, allowing the power supply to achieve peak efficiency at light load operation. The device also includes an active pre-bias start-up of the Power MOSFET, which enables the device to start-up quickly with minimum input current.

The switching frequency of the NCP1340B5D1R2G is adjustable, allowing users to optimize the design for different loads and component values. This device also provides feedback diagnostics and thermal protection features, further increasing its reliability and stability. In addition, the device features an over-voltage protection circuit and a programmable over-temperature protection feature.

The working principle of the NCP1340B5D1R2G is based on the conversion of power from AC to DC. The device consists of an active PFC (Power Factor Correction) stage, a Power MOSFET and a control section. The AC power is first rectified and filtered to obtain a DC voltage from the mains. This DC voltage is then fed to the PFC section and converted to a regulated voltage. This regulated voltage is then applied to the Control section, which then controls the current through the Power MOSFET.

The Power MOSFET is used to regulate the output voltage. As the load on the output changes, the control section adjusts the conduction of the Power MOSFET, thus resulting in a regulated output voltage. The device then monitors the output voltage and adjusts the duty cycle of the output voltage in order to maintain the desired output voltage level.

In conclusion, the NCP1340B5D1R2G is a versatile AC-DC converter. It is suitable for a wide range of applications and delivers a reliable and stable output voltage over a wide input voltage range. Its innovative features and protected design make it one of the best solutions in the industry.