MAX868EUB-T

Voltage - Output (Min/Fixed):	-Vin, 2Vin
Base Part Number:	MAX868
Supplier Device Package:	10-uMAX
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	270kHz ~ 630kHz
Current - Output:	30mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MAX868EUB-T is a DC/DC switching regulator application module developed by Maxim Integrated. It is a highly efficient, field-programmable module optimized for quick and easy device design and implementation. The MAX868EUB-T incorporates a full-featured, high-performance regulator designed to meet the most stringent power supply design requirements.

Features

The MAX868EUB-T is designed to provide high efficiency and excellent transient response for a variety of applications. Some of its features include programmable voltage range, adjustable switching frequency, two-phase control, current-mode control, and adjustable over-current protection. In addition, the MAX868EUB-T features programmable remote on/off control, an auto-restart mechanism, and built-in load disconnect. The module also provides an integrated power limiter and output voltage protection.

Applications

The MAX868EUB-T is well-suited for a wide range of applications, such as industrial and automotive power supplies, motor control, and instrumentation. It can also be used in a range of custom power supply solutions, such as distributed power supplies, point-of-load power supplies, DC/DC converters, and telecom and networking devices.

Working Principle

At its core, the MAX868EUB-T utilizes a two-phase, current-mode control system. This control system regulates the output voltage by using a feedback loop that compares the output of the module to an external reference voltage. This feedback loop continuously regulates the output voltage and allows for precise control of the output voltage over a wide range of load conditions. The MAX868EUB-T also utilizes a programmable frequency and phase synchronization feature. This enables the module to adjust its switching frequency and phase so that it matches with other regulators in the system allowing for higher current sharing and more dynamic control. The module also features a programmable power limiting feature which ensures that the module does not exceed its maximum power rating. This ensures that the module is able to operate safely and reliably at all times.

Conclusion

The MAX868EUB-T is a highly efficient, versatile DC/DC switching regulator application module developed by Maxim Integrated. It is well-suited for a variety of applications, including industrial and automotive power supplies, motor control, and point-of-load power supplies. The module utilizes a two-phase, current-mode control system which regulates the output voltage by using a feedback loop and provides excellent transient response and high efficiency for a wide range of load conditions. In addition, the MAX868EUB-T features an integrated power limiter and output voltage protection to ensure safe and reliable operation at all times.

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