Frequency - Switching:	600kHz
Base Part Number:	ADP1873
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	65%
Series:	--
Voltage - Supply (Vcc/Vdd):	2.75 V ~ 20 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADP1873ARMZ-0.6-R7 Application Field and Working Principle

Introduction

The ADP1873ARMZ-0.6-R7 is a PMIC (power management integrated circuit) designed by Analog Devices. It has many features that make it ideal for DC/DC switching applications such as small buck regulators, etc. The device is small, low power, and has tight accuracy over temperature. It is easy to use and reliable in the application field.

Application Fields

The ADP1873ARMZ-0.6-R7 can be used in a variety of application fields. It can be used in industrial, automotive, and even consumer applications. It is ideal for battery management systems, LED lighting, solar cell controllers, power supplies, and many other applications. It has low current draw, and its features make it perfect for battery protection, efficiency, and accuracy applications.

Working Principles

The device is a 3-phase synchronous buck controller that uses a fixed operating frequency current mode architecture. It is designed to have low current draw and a low startup voltage drop. The device is capable of external PWM control to support voltage or current modes, and also offers a compensation design tool to easily adjust compensation values.The device has a very high switching frequency of 600 kHz, with a current limiting system that enables it to achieve high efficiency. The ADP1873ARMZ-0.6-R7 features integrated soft-start, overvoltage protection, and adjustable overcurrent protection that can be used to protect the system from over-current/over-voltage damages.

Conclusion

The ADP1873ARMZ-0.6-R7 is a versatile PMIC from Analog Devices that can be used in many DC/DC switching applications such as small buck regulators. It is small, low power, and has tight accuracy over temperature. It has many features such as PWM control, soft-start, overvoltage protection, and adjustable overcurrent protection which make it ideal for a variety of applications.

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