TPS76825QPWPREP

TPS76825QPWPREP Application Field and Working Principle

The TPS76825QPWPREP is a programmable step-down DC-DC converter with a wide operating input voltage range from 1.14 V to 5.50 V. It adopts the wide dimming control voltage range of 0.90 V to 2.50 V and can provide up to 1.5 A of output current. Furthermore, it offers industry-leading efficiency and outstanding accuracy with minimal external components. The device integrates several advanced design features, such as blocking protection (SHORT pin output) and auto restart protection, to help ensure that any mild stress or current interruptions can be handled with ease. This makes the TPS76825QPWPREP suitable for a wide range of applications, including portable electronic products, cellular phones, automotive electronic systems, and various industrial control systems.

Application Field:

• Smartphones
• Tablets
• Cameras
• Network circuit boards
• Portable navigation devices
• Hard disk drives
• Game consoles
• Cordless phones
• Medical equipment
• Tablet PCs
• Set-top boxes
• Automotive electronics

Working Principle:

The TPS76825QPWPREP is based on a linear voltage regulator. The device consists of a voltage-regulating circuitry, a driver stage, and a compensation stage. It uses linear voltage regulation to keep the output voltage at the desired level while providing a fast transient response. The device\'s internal circuitry senses the output voltage and adjusts the peak current at the output to maintain the desired voltage, thus providing the user with a reliable solution.

Normally a device like this would require several external components to set the desired output voltage. However, TPS76825QPWPREP has an internal voltage scaling feature which allows you to easily change the output voltage by setting a programming resistor. Internal calibration is also enabled which enables the user to accurately set the desired output voltage using a single external resistor. Furthermore, the device features an enable function and can be operated in a discontinuous mode to reduce the output voltage for lower power systems.

The device is also capable of providing output current protection against load steps and power loss, device overtemperature withstandup to 125C and a low-noise operation. Additionally, it offers a low dropout voltage of <0.45V and is able to provide a high current output with excellent availability. Therefore, it meets the demanding requirements of various mobile and industrial applications.

In conclusion, the TPS76825QPWPREP is a step-down linear voltage regulator that can provide accurate output voltage control, fast transient response, excellent output current regulation and low-stress operation. It is an ideal solution for a variety of industrial and mobile applications.