MAX1822ESA+T

Voltage - Output (Min/Fixed):	Vin+11V
Base Part Number:	MAX1822
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	90kHz
Current - Output:	25mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	16.5V
Voltage - Input (Min):	3.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Ratiometric
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

MAX1822ESA+T is a feature-rich, full DC-DC switching regulator with integrated MOSFETs. It is ideal for advanced point-of-load applications that require high power and high resolutions. The MAX1822ESA+T supports an extremely flexible and versatile range of output voltages and various switching topologies, making it an excellent choice for power supply design. In addition, it also features a wide input voltage range, excellent load/line/temperature regulation, a compact package, and high power efficiency.

Application Fields and Working Principles

MAX1822ESA+T is a highly versatile DC-DC switching regulator that can be used in a wide range of applications. It can be used in applications such as battery charging, portable electronics, industrial or automotive power supply, and power-over-Ethernet (PoE) applications.The MAX1822ESA+T supports various types of control modes such as voltage mode, current mode and pulse width modulation (PWM) mode. It also features auto-sequence startup mode for up to four outputs, which allows the outputs to start up in order, reducing inrush current. The MAX1822ESA+T also supports an analog or digital soft start, allowing the outputs to be ramped up slowly, reducing inrush current and output noise.The MAX1822ESA+T supports an input voltage range of 4.5V to 14V and provides several protection features, such as undervoltage lockout and overcurrent protection, to ensure optimum performance and reliability. It also supports various output voltages and can be externally synchronized to achieve lower noise and higher efficiency.The MAX1822ESA+T is a highly integrated device that includes an integrated MOSFET, voltage and current regulation, an on-board transformer, and an accompanying driver circuit. The integrated MOSFET reduces the overall size and complexity of the design and the integrated driver circuit reduces the amount of external components required for the design.The MAX1822ESA+T also features a low quiescent current and a high power efficiency of up to 99%, making it an ideal choice for applications that require high efficiency and low power consumption.

Conclusion

The MAX1822ESA+T is a highly versatile DC-DC switching regulator with integrated MOSFETs that is ideal for advanced point-of-load applications. It features a wide input voltage range, excellent load/line/temperature regulation, a compact package, and high power efficiency. In addition, it also features several protection features, an integrated MOSFET, a driver circuit, and an accompanying transformer. Its low quiescent current and high power efficiency make it an ideal choice for applications that require high efficiency and low power consumption.

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