MAX15026CATD+T

Frequency - Switching:	200kHz ~ 2MHz
Base Part Number:	MAX15026
Supplier Device Package:	14-TDFN-EP (3x3)
Package / Case:	14-WFDFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Enable, Frequency Control, Power Good
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	88%
Series:	--
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 28 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Strip

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MAX15026CATD+T Application Field and Working Principle

MAX15026CATD+T is an advanced monolithic switching regulator, designed to efficiently and precisely regulate output voltages. It is part of a discussion on the applications and working principles of DC-DC switching controllers, which are one type of voltage regulators found in PMICs (Power Management Integrated Circuits).DC-DC switching controllers are commonly used in a wide variety of applications, from mobile phones, tablets and wearable devices to electric vehicles and renewable energy systems. They are generally found in power systems that require a reliable control system for energy management and regulation. Such applications include battery charging, power conversion, AC/DC regulation, and power conversion for DC/AC inverters.The MAX15026CATD+T specifically provides a stepped output voltage regulation, based on a DC-DC buck topology. This topology is widely used for its high efficiency and low ripple; it is a widely used solution for step down voltage applications.Within the MAX15026CATD+T, a PWM-based control loop regulates an internal power MOSFET switching element. This element operates in a voltage step-down mode, with an output current of up to 3A. The internal error amplifier ensures an accurate regulated output voltage and provides protection against overvoltage and overcurrent conditions. To ensure stability, the MAX15026CATD+T uses a two-pin frequency programming terminal and compensates its internal control loop based on a simple external resistor divider. This allows the designer to precisely fine-tune the voltage regulation cycle and the power dissipation.The MAX15026CATD+T also integrates additional protection features such as thermal protection, short-circuit protection, and protection against a failed feedback port. These protection features minimize the risk of accidental damage and reduce the time and effort required for design debugging and maintenance.In conclusion, the MAX15026CATD+T is a highly efficient and reliable solution for DC-DC switching controller applications. It offers accurate voltage regulation, a wide range of protection features and the possibility for precise tuning of the voltage regulation cycle.

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