TPS70248PWPR

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The TPS70248PWPR is a low power voltage regulator for low voltage applications such as mobile phones, digital cameras and other portable devices. It is produced by Texas Instruments. This device is suitable for use in a variety of applications which require a low voltage output. It features excellent line and load regulation, low dropout voltage and high power efficiency.

Features

• Input voltage range of 1.9V to 5.5V
• Low-dropout voltage of 350mV at full load
• High power efficiency up to 95%
• Wide range of output voltage settings
• Low quiescent current of 3µA
• Internal soft-start capability
• Over-current and over-temperature protection
• SOT-223 and SC-70 packages

Applications

• Mobile phones
• Digital cameras
• Portable applications
• Battery-powered consumer electronics
• MP3 players
• GPS devices

Working Principle

The TPS70248PWPR features a high efficiency linear voltage regulator. The device is designed to provide a regulated output voltage in the range of 1.8V to 5.5V typically. The device utilizes an internal P-channel MOSFET and a current sensing scheme to regulate the output voltage. The internal circuitry can sense when the output voltage is outside the desired range and will adjust the output voltage accordingly to ensure a regulated output in all conditions. The device has high current capability and excellent long term stability.

The device uses an internal compensation network to provide a stable output voltage and minimize output voltage noise. The internal soft-start feature prevents in-rush current events during start-up, allowing for improved system reliability. The device also has integrated over-current and over-temperature protection. These features make the TPS70248PWPR an ideal choice for low voltage applications.

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