MAX1856EUB+T

Overview

The MAX1856EUB+T is a wide-input-range, synchronizable PWM DC/DC controller manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates with an input voltage range of 3V to 28V and provides a single output capable of -24V to -72V. The device supports switching frequencies up to 500kHz and is housed in a compact 10-pin uMAX or uSOP package. Designed for industrial applications, it functions within a temperature range of -40°C to +85°C.

Feature Summary

• Wide input voltage range supporting 3V to 28V supply rails
• Capable of generating negative output voltages from -24V to -72V
• Features synchronizable PWM control for frequency alignment
• Compact surface-mount packaging suitable for space-constrained designs

Applications

• Satellite receiver set-top boxes
• xDSL modem systems
• Cable modem infrastructure

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific tape-and-reel packaging details prior to order placement. Ensure the ordering suffix matches the required quantity format. Cross-reference the full part number including the +T suffix to guarantee correct reel specifications and traceability documentation are provided.

Selection Notes

Select this controller when designing power supplies requiring wide input ranges and negative output generation. It is suitable for applications needing synchronized switching frequencies to minimize electromagnetic interference. Consider the 10-pin uMAX/uSOP package for board space optimization. Verify that the required output voltage falls within the -24V to -72V operational window before finalizing the design.

Part Context

This component belongs to the MAX1856 series of specialized power management integrated circuits. It is categorized under DC/DC controllers designed for robust industrial and telecommunications environments. The device complements other Maxim Integrated solutions for high-voltage and wide-input applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices resources for potential cross-references or updated product line replacements.