MP155GS

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PMIC - AC DC Converters, Offline Switchers

The MP155GS is an integrated offline switcher that can be used in a multitude of applications requiring the conversion of Alternate Current (AC) voltage to Direct Current (DC) voltage. It is a highly configurable device based on control basis that allows for additional features to be added via firmware. The device is designed to provide enhanced efficiency, power density and small form-factor in the application.

The MP155GS offers an input voltage range of 110 to 400 VAC with efficient AC/DC power conversion efficiency up to 95%. This switcher can operate in continuous conduction mode (CCM) or discontinuous conduction mode (DCM) depending upon the requirements of the application. The device has a temperature protection of 180°C and its nominal switching frequency is 40KHz.

The MP155GS implements a basic single ended forward converter topology and operates based on the peak current mode control algorithm. It consists of external MOSFETs and a primary side controller, which stores the duty cycle information and conducts the input current corresponding to the required output power. The device provides an integrated gate driver for driving the external high voltage MOSFETs to switch efficiently.

The MP155GS has features like over current protection (OCP), over temperature protection (OTP), short circuit protection (SCP), and protection from turns on losses (TOL). It is available in a 10 pin low profile blister type package which is suitable for consumer electronics and home appliance applications.

The MP155GS can be used in a variety of consumer electronics, home electronics and other similar applications. It is suitable for applications requiring no-load power consumption as low as 0.15W. This device can be adopted in telecom and networking equipment, home appliances, consumer electronics such as LCD televisions, set top boxes, PCs, smart lighting and other applications requiring high efficiency and low noise operation.

The MP155GS provides enhanced design flexibility and is an excellent choice for the development of optimized AC to DC power conversion solutions. Its small package size, high power density and low power consumption makes it a suitable choice for applications requiring high efficiency and low noise operation with very little space on the application PCB.

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