LTM4677IY#PBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC-DC converters are an important part of any circuit or system, providing voltage conversion, transconductance, regulation, and other features. Among the many types of converters available in the market today, the LTM4677IY#PBF is one of the most popular choices due to its high current performance, wide operating temperature range, and excellent transient response. This DC-DC converter is especially well-suited for applications involving high switching frequencies, heavy loads, and sensitive circuitry.

The LTM4677IY#PBF is a high-efficiency, bidirectional DC-DC converter with two independent output voltage channels. Each channel is rated for up to 6A and has an adjustable output voltage range of 2.5 to 24V, making them ideal for applications requiring different output voltage levels. Its fully integrated power supply includes galvanic isolation, a wide 5.5V to 40V input voltage range, and overvoltage protection. It also features a thermally efficient QFN package, allowing for improved thermal transfer and lower power losses.

Working Principle

The LTM4677IY#PBF operates using a synchronous buck design with both synchronous switch elements in series for each output channel. This design includes two high-side switches and two low-side switches that alternate on each cycle of the converter’s output frequency. The converter’s on-board digital control interface allows users to adjust parameters such as output voltage and current limit, as well as enable/disable error protection features. The board’s closed-loop control architecture is designed to maintain a constant output voltage even under varying load conditions.

The converter is also equipped with several protection features to ensure maximum safety and reliability, including short-circuit protections, thermal shutdowns, and voltage monitoring. Additionally, the converter has wide junction and ambient temperature ranges, making it suitable for cooling-challenged applications. For further reliability, the converter is certified for UL, CE, and CB standards.

Application Fields

The LTM4677IY#PBF, with its high current and wide operating temperature ranges, is ideal for applications that require high performance, reliability, and flexibility. It is especially well-suited for heavy-load applications that require high switching frequencies. Examples of such applications include telecom power supplies, 3G base station power supplies, industrial servers, motor drives, and audio-video systems. The LTM4677IY#PBF’s full integrated power supply, galvanic isolation, and safety features make it a top choicer for use in medical and automotive systems as well.

The specific data is subject to PDF, and the above content is for reference