OM13574UL

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The OM13574UL Evaluation Board is a DC/DC & AC/DC (Off-Line) SMPS (switched-mode power supply) designed by NXP and manufactured by Omron Corporation. It is designed to operate in switching, buck, boost, and other non-linear power supply topologies. It can be used to design equipment that require a reliable source of power, such as telecom, industrial, medical, and automotive products. The OM13574UL board has several integrated components, including a simplified half-bridge regulator (HVR), a synchronous PFC, and a low-dropout (LDO) linear regulator.

The OM13574UL Evaluation Board\'s half-bridge rectifier performs switching between the stored energy in the input supply and the output current. The pulse-width modulation (PWM) controller used in the half-bridge rectifier performs synchronization between the voltage feedback and the reference voltage. This ensures the output voltage remains stable within the operating range. The half-bridge rectifier also has a maximum duty cycle of 98%.

The PFC (power factor correction) circuit is used to improve the power factor of the power supply and reduce standby power losses. The PFC circuit monitors the input supply and synchronizes the output voltage with the input voltage. The PFC also regulates the current drawn from the input supply for smooth operation. Additionally, the PFC circuitry has a soft-start feature, which helps reduce inrush current when the power supply starts up.

The LDO linear regulator used in the OM13574UL Evaluation Board helps to reduce the output ripple and noise present in the system. The output from the LDO linear regulator is regulated by a voltage feedback circuit. The feedback circuit monitors the output voltage and adjusts the reference signal sent to the LDO linear regulator. This ensures the output voltage maintains a stable level within the given specifications. The input stability range of the LDO linear regulator is also within the required specifications.

The OM13574UL Evaluation Board is versatile and can be used for many applications. It can be used for telecom equipment, industrial equipment, medical equipment, and automotive components. The board can operate in high switching frequencies of up to 1 MHz and at a wide range of temperatures. It has a high-efficiency design to reduce power losses. The board is also small and lightweight, making it easy to integrate into systems and product designs.

The OM13574UL Evaluation Board is an ideal solution for designers looking for a reliable, efficient, and easy to integrate power supply solution. With its simplification of the design parameters with the half bridge rectifier, power factor correction circuit, and low-dropout linear regulator, the board provides excellent performance in both design and operation. Moreover, the board has a wide variety of uses, making it a versatile and cost-effective solution for power supply designers.

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