NCP1341B4D1R2G

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Package / Case:	10-SOP (0.154", 3.90mm Width), 9 Leads
Supplier Device Package:	9-SOIC
Mounting Type:	Surface Mount

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PMIC - AC DC Converters, Offline Switchers

Most electronic applications need a steady stream of power to run successfully, and this is where a PMIC (Power Module Integrated Circuit) becomes invaluable. The NCV1341B4D1R2G is an example of a PMIC, specifically designed for offline AC-DC switching applications. This part consists of an integrated controller, a high-voltage start-up system and three current-limited power MOSFETs.The NCV1341B4D1R2G offers some great features for offline power applications. It has an advanced high-voltage start-up circuit that provides 500kHz of pulse width modulation (PWM) control, and the power MOSFETs have maximum ratings of 340V and 4A. There is built-in soft-start and over-current protection, which prevent any undue stress or damage to the power module during extreme conditions.The device\'s integrated controller has all the features needed for efficient operation in offline, AC/DC power applications such as LED backlights and LED outdoor lighting solutions. It has a fractional multiplier with adjustable frequency, peak to peak multiplier and a ripple reducer with adjustable frequency. The on-board 4MHz oscillator allows the device to run at high switching frequencies, while keeping interference to a minimum.The primary benefit of the NCV1341B4D1R2G is its ability to step down AC line voltages of 120V or 230V, providing consistent and reliable power for any AC-DC switching application. When the input voltage is within the allowable range, the integrated controller will raise the MOSFET gate drive voltage. At the same time, the on-board high-voltage start-up system will safely regulate current through the power MOSFETs, protecting them from any sudden current overshoots that could cause damage.The device also offers several features to reduce power loss and maximize system efficiency. For example, the controller integrates valuable features like adjustable limit cycle control, automatic frequency selection and average current mode control. With these features, the PMIC can accurately and efficiently detect the input signal frequency and minimize switching losses, resulting in improved system efficiency.When AC line voltages are higher than the permissible limit, the NCV1341B4D1R2G will kick in to protect the circuit by cutting off the output signal. It also has over-voltage protection, validating whether the device can remain within the specified rated voltages. Additionally, it has thermal protection with built-in Die Temp sensing to make sure the device remains cool, regardless of the operating environment.The NCV1341B4D1R2G is an ideal solution for off-line AC-DC switching applications such as LED backlights, LED outdoor lighting solutions and even solar panel applications. With its built-in features for power loss reduction, thermal protection and over-voltage protection, this PMIC delivers consistent and reliable power whenever you need it.

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