MAX15569GTG+

Frequency - Switching:	600kHz ~ 1.4MHz
Base Part Number:	MAX15569
Supplier Device Package:	24-TQFN (4x4)
Package / Case:	24-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 105°C (TA)
Control Features:	Enable, On Time Control
Serial Interfaces:	I²C
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4.75 V ~ 5.25 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	PWM Signal
Part Status:	Active
Packaging:	Tube

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<h1>PMIC - Voltage Regulators - DC DC Switching Controllers</h1><h2>Introduction</h2>The MAX15569GTG+ is a device from Maxim Integrated that is designed to provide a flexible and highly efficient DC-DC switching controller. With its specific feature and functionality, the MAX15569GTG+ is particularly well-suited for use in a variety of applications including USB power supplies, battery chargers and other power regulation applications.<h2>Application Field</h2>The MAX15569GTG+ is designed for use in a variety of electronic devices and applications. Thanks to its versatility and reliable performance, it is an ideal choice for next-generation portable electronics such as tablets and smartphones. Additionally, the MAX15569GTG+ is suitable for use in a wide range of other applications such as industrial control, medical (including medical imaging and wearable medical devices), automotive, and audio/video.<h2>Features</h2>The MAX15569GTG+ features a wide input voltage range from 4.5V to 16V, adjustable high-current output voltage ranging from 1.2V to 5.5V, current-mode, constant-on-time (COT) control, and noise-free current-mode control. It is also capable of achieving high efficiency in all operating modes, thanks to low output ripple, efficient operation down to light-load currents, phase-shift control, frequency foldback, and current-limit protection. In addition, the MAX15569GTG+ provides innovative features such as a single-wire serial interface, integrated bootstrap diode, perfect-flow precision ±1% feedback accuracy, and sophisticated digital control with cycle-by-cycle current limit. <h2>Working Principle</h2>The MAX15569GTG+ is designed with a constant-on-time (COT) architecture which provides excellent fast-load response and high performance current-mode control. The device is designed to operate with maximum efficiency, since it constantly adjusts the on-time based on the load current by keeping a constant peak current near the current limit point.Moreover, the MAX15569GTG+ operates under a frequency foldback scheme to ensure efficiency over all load current ranges. This means that the switching frequency decreases as the load current increases, reducing conduction losses and ensuring high efficiency over the entire load range. Furthermore, the device can be easily configured to operate over different output voltage ranges, allowing the user to get maximum efficiency in any situation.<h2>Conclusion</h2>The MAX15569GTG+ from Maxim Integrated is a versatile and efficient DC-DC switching controller designed for powering a variety of devices. Its features include a wide input voltage range, adjustable output voltage, COT control, and frequency foldback, providing high efficiency in all operating modes. In addition, the MAX15569GTG+ also offers a single-wire serial interface, integrated bootstrap diode, precision ±1% feedback accuracy, and sophisticated digital control. With these features, the MAX15569GTG+ is the perfect choice for power regulation applications.

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