MAX5041EAI+

Frequency - Switching:	250kHz, 500kHz
Base Part Number:	MAX5041
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Phase Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4.75 V ~ 28 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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

Introduction

The MAX5041EAI+ is a DC-DC switching controller designed for applications that require high efficiency and low output ripple. This device can be used to regulate input voltages from 1.6V to 4.5V and drive an external N-channel MOSFET which allows for the design of a step-down (buck) converter. It can be used for high-current (up to 10A) buck converter power supply design. This document provides an overview of the MAX5041EAI+ application field and working principles.

Application Field

The MAX5041EAI+ is suitable for use as a DC-DC step-down (buck) converter with a power supply range of 1.6V to 4.5V and an output current range up to 10A. It is especially suitable for designs requiring high efficiency and low output ripple, such as point-of-load and distributed DC-DC power supply systems. It is also suitable for battery management applications, providing internal current limit and thermally regulated MOSFET current compensation.

Working Principle

The MAX5041EAI+ is a DC-DC switching controller designed for buck-converter applications. It converts an input voltage of 1.6V to 4.5V to an output voltage set by an external voltage divider. The internal high-precision voltage regulation circuitry monitors the output voltage and adjusts the MOSFET on time to maintain a constant output voltage. The output ripple is reduced by using a pulse-width modulation technique. This technique modulates the on-time of the MOSFET to reduce the average value of the inductor current ripple. The controller also features a unique overshoot-reduction feature that uses a controlled slew rate to reduce output voltage overshoot at light-load or transient conditions. Finally, a precision cycle-by-cycle current limit protects and conserves power. In addition, the internal logic circuitry monitors the status of the current limit, diagnostic feedback signal, thermal shutdown signal, and MOSFET power supplied to the device. The device is protected from external faults with an overvoltage protection (OVP) circuit and an undervoltage lockout (UVLO) circuit.

Conclusion

The MAX5041EAI+ is an efficient, low-ripple DC-DC switching controller suitable for buck converter applications. It is designed to accept a wide input voltage range and output current up to 10A. It features enhanced control circuitry to reduce output voltage ripple, an overshoot-reduction feature, as well as current limit and thermal protection. The device is protected from external faults with an OVP and UVLO circuit. It is suitable for many applications, including point-of-load and distributed DC-DC power supplies, battery management systems and more.

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

Part Number	Manufacturer	Price	Quantity	Description