LTC3025EDC-1#TRMPBF

Current - Output:	500mA
Base Part Number:	LTC3025
Supplier Device Package:	6-DFN (2x2)
Package / Case:	6-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Quiescent (Iq):	80µA
Series:	--
Voltage Dropout (Max):	0.17V @ 500mA
Voltage - Output (Max):	3.6V
Voltage - Output (Min/Fixed):	0.4V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction - LTC3025EDC-1#TRMPBF

LTC3025EDC-1#TRMPBF is a high-performance, low-cost linear voltage regulator that is available in a standard 3mm x 3mm DFN package. It has fast response times and wide load range, making it ideal for power supply design in applications like cell phones, PDAs, mobile medical devices, digital cameras and other portable applications. It features a wide input voltage range of 2.5V to 5.5V, a low quiescent current of only 900nA, two versatile outputs, and an adjustable output voltage range of 0.8V to 5.5V. LTC3025EDC-1#TRMPBF is designed to be deployed in tiny, space constrained form factors and requires no additional external components for operation.

Application Field of LTC3025EDC-1#TRMPBF

The LTC3025EDC-1#TRMPBF can be widely used in high-performance, space-constrained power systems for mobile, industrial, automotive or consumer applications such as cell phones, PDAs, digital cameras, mobile medical devices, tablet computers and other portable products. For example, in cell phones, the LTC3025EDC-1#TRMPBF can provide efficient power supply for the memory, digital audio playback circuitry, digital signal processor, and other high-frequency switches. It can also be used to power the liquid crystal display (LCD) in digital music players and PDAs.The LTC3025EDC-1#TRMPBF is also ideal for MPEG and digital camera power supply design. For example, it can provide 3.2V to 4.2V adjustable output voltage supply to devices like MPEG audio and video codecs, memory, LCDs and sensors. Furthermore, it can also provide power for GPS receivers, Bluetooth modules and wireless local area networks.In addition, the LTC3025EDC-1#TRMPBF is an ideal solution for portable medical and healthcare systems, consumer electronics and professional instrumentation applications. Though designed for power systems, the LTC3025EDC-1#TRMPBF can provide accurate linear voltage regulation for a wide range of circuits and is capable of operating for extended periods of time without the need for external heat sinking.

Working Principle of LTC3025EDC-1#TRMPBF

The LTC3025EDC-1#TRMPBF is a low-cost, adjustable linear voltage regulator. It is based on a low-noise, high accuracy voltage reference circuit, adding a precision internal resistor divider to generate regulated output voltages between 0.8V and 5.5V. The input voltage range is 2.5V to 5.5V and its wide load range covers a load current range of 11 mA to 1A.The LTC3025EDC-1#TRMPBF features a low quiescent current of only 900nA, which is ideal for portable electronic devices that are designed to operate on battery power. Furthermore, the LTC3025EDC-1#TRMPBF also features soft-start, over-temperature shutdown and power-on reset capabilities that allow it to be integrated into timing-dependent or safety-related systems.The LTC3025EDC-1#TRMPBF provides fast line and load transient responses, suitable for demanding applications such as digital video processing or high-speed imaging. Additionally, the LTC3025EDC-1#TRMPBF also offers an output trim for fine-tuning the output voltage to achieve the highest accuracy.

Conclusion

The LTC3025EDC-1#TRMPBF is a high-performance, low-cost linear voltage regulator with wide input voltage range, fast response times and large load range. Its high efficiency makes it ideal for the power supply design in mobile and consumer applications, such as those discussed in this article. Furthermore, the integrated features such as soft-start, over-temperature shutdown and power-on reset make it suitable for high-end portable systems, digital video processing and imaging applications.

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