LTC3646EDE-1#PBF

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The LTC3646EDE-1#PBF DC/DC switching regulator is a broadly used high-performance voltage regulator from Analog Devices. It is widely used in industrial and consumer applications which require reliable and high performance power supplies. It is a self-contained non-isolated regulator which provides high efficiency and optimized dynamic response.

Advantages of the LTC3646EDE-1#PBF DC/DC switching regulator

• Wide 2.5V to 30V input voltage range
• Integrated 0.25Ω, 30V N-channel Power MOSFET
• 1000:1 step-up and step-down capability
• Low operating current of only 18mA
• High conversion efficiency up to 95%
• High switching frequency of up to 300kHz
• Voltage tracking/margin control
• Integrated internal power loss detector

Application Field

The LTC3646EDE-1#PBF DC/DC switching regulator can be conveniently used in a wide range of applications such as USB/Ethernet/cellular/Wi-Fi applications, laptop/tablet/smartphone/wearable accessories, point-of-load supplies, avionics, servers, digital photography, game consoles, hard drives, and many other devices needing converters to support their digital circuitry. It is great for applications where high efficiency, high accuracy, and low noise operation are necessary.

Working Principle

The LTC3646EDE-1#PBF DC/DC switching regulator operates according to the basic principles of Pulse Width Modulator (PWM) control. It utilizes a stable voltage reference as the base level for a comparator/comparator reference signal which then controls the switch or switches of the regulator. Once the voltage of the signal matches the reference voltage, the switch is activated and the voltage regulated across the pass elements can be varied depending on the cycle time of the signal. To step up or step down the regulated voltage, the cycle time can be adjusted as desired.

The LTC3646EDE-1#PBF DC/DC switching regulator provides excellent stability and dynamic response in both step up and step down applications. It features Active Current Control (ACC) Mode control, Boost Current Control (BCC) Mode control, and adaptive loop-strengthening, allowing the user to easily optimize the performance of the regulator based on the application requirement.

Conclusion

The LTC3646EDE-1#PBF DC/DC switching regulator from Analog Devices is a highly capable and efficient regulator which provides great performance and solutions for a wide range of applications. Its wide input voltage range, high step up/down capability, high conversion efficiency and integrated circuit design, great for applications where reliable and high-performance power supplies are required.

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