OrderMP4541
80V, 0.8A, High-Efficiency, Synchronous, Step-Down Converter with Integrated Power MOSFETS
Active Part Numbers:
MP4541GN-P MP4541GN-Z
Meaning of P & Z 
Evaluation Tools
EV4541-N-00A Evaluation Kit 80V, 0.8A, Synchronous Buck Converter Evaluation Board
The EV4541-N-00A is an evaluation board designed to demonstrate the capabilities of the MP4541, a high-efficiency, synchronous step-down converter with integrated high-side and low-side MOSFETs. The MP4541 provides 0.8A of output current in a buck topology from an input power supply of up to 80V.
The MP4541 supports high-efficiency pulse-skip mode (PSM) while operating under light-load conditions. The valley current limit circuits protect against overload and short-circuit conditions.
The MP4541 is available in an SOIC-8EP package.
MP4541 Resources
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MPS POWER MANAGEMENT SOLUTIONS FOR POWER OVER ETHERNET (POE) SWITCHESModern devices are increasingly powered by Power over Ethernet (PoE), such as IP phones, wireless APs, and IP cameras. Customer premise equipment (CPE) and small base stations in the 5G era also require PoE power. Figure 1 shows common applications powered by PoE. This article discusses MPS’s comprehensive suite of power management solutions for a wide range of switches, including PSE, boo...
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MP4581 & MP4541: SYNCHRONOUS, HIGH-VOLTAGE BUCK CONVERTERSThe MP4581 and MP4541 support a 100V and 80V maximum input voltage, respectively, with up to 0.8A of output current in a compact SOIC-8EP package. Up to 94% peak efficiency Fewer external components required makes layout easier Integrated high-side and low-side FETs 15μA quiescent current Supports satellite video, e-bike GPS tracking, industrial power supplies, industrial gateways, printer ...
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UNDERSTANDING POWER OVER ETHERNET AND POE CONTROLLERS AND CONVERTERSThis introduction to power over Ethernet (PoE) covers the basics of PoE standards, how PoE structure functions, and how PoE works between the PSE and PD. PoE enables an Ethernet cable to transmit DC power while also transmitting data in parallel to IP terminal devices. PoE power delivery includes two equipment types: Power-sourcing equipment (PSE) or a power provider, and powered devices (PDs) or ...
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UNDERSTANDING DATASHEET THERMAL PARAMETERS AND IC JUNCTION TEMPERATURESThere is much confusion regarding how to make meaningful design decisions when converting a datasheet’s thermal resistance parameters. This introductory article will help today’s hardware engineers understand how to decipher the thermal parameters found in datasheets — including whether to choose theta vs. psi, how to calculate these values, and most importantly, how to apply the...
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