MEU1S1209ZC Power Supplies - Board Mount

The MEU1S1209ZC is a DC/DC Converter designed for medium power applications. It is a hysteretic synchronous buck converter with integrated high peak current MOSFETs and has the adjustable output voltage range of 2.5V to 12V. It features standby and remote ON/OFF pins to control the output voltage state, and an adjustable soft-start time setting.

The MEU1S1209ZC is highly efficient and thus typically has a heat dissipation of less than 10W which makes it ideal for use in space limited enclosures. The high peak current MOSFETs make the MEU1S1209ZC suitable for powering various loads under different conditions. With its wide input voltage range from 4.5V to 12.6V and the integrated Reverse Battery Protection, the MEU1S1209ZC is able to cope with different levels of power supply environment.

The MEU1S1209ZC is mainly used in cost-sensitive applications like network communication infrastructure, LED lighting, industrial automation and various automotive systems. It is suitable for powering small microprocessors, memories, FPGAs, ASICs, etc.

The working principle of MEU1S1209ZC is based on output voltage feedback control. The controller will adjust the duty cycle of the switch in order to maintain the output voltage. During light load conditions, the switch will work in its hysteretic mode while in heavy load conditions it switches to its synchronous mode to reduce the switching losses and to improve the efficiency. The current sensing is done with an internal FET. In addition, the energy losses in the switch are minimized by using a Synchronous Rectification.

The MEU1S1209ZC also comes with a variety of features such as power-good indicator, output short-circuit protection, under-voltage lockout (UVLO), over-current shutdown, and thermal protection. The soft start time can be adjusted by setting the output voltage timing reference between 0.01 ms and 128 ms. With its integrated high peak current MOSFETs, the MEU1S1209ZC provides a high level of reliability and performance.

The MEU1S1209ZC is an efficient and reliable DC/DC converter that is suitable for powering various loads and it can handle a wide range of input voltage levels. It comes with a variety of features that enable it to meet the requirements of a variety of applications. It is an ideal solution for cost-sensitive applications like network communication infrastructure, LED lighting, industrial automation, and other automotive systems.