TPS75515KTTT Integrated Circuits (ICs)

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Introduction

TPS75515KTTT is a linear, single-output integrated low-dropout (LDO) regulator which is specifically designed to support the power requirements of Inforce 6401, Qualcomm Snapdragon, and NXP i.MX 8M applications. The device is a high-performance, single-output LDO that provides always-on, low-noise power to the processor, delivering a low-noise output voltage of up to 0.9V. The device is also designed to meet the stringent requirements of mobile, wearable, and IoT applications. The device features a current-limited, short-circuit protection, thermal shutdown, and adjustable output voltage.

Features

• Max output voltage: 0.9V
• Output current: 600mA
• Dropout voltage: 0.12V at 500mA
• Thermal shutdown
• Input voltage range: 2.7V to 5.5V
• Current-limited, foldback, and minimum on-time protection
• Low noise and fast transients

Application Field

TPS75515KTTT is ideal for use in applications such as Industrial, Automotive, Medical, Wearable, Mobile and IoT. It is used in a wide variety of applications such as portable medical device, communication infrastructure, controllers, sensors, medical imaging equipment, wearables, and industrial and automotive power management modules. It can be custom designed for many different voltage and current requirements.

Working Principle

The working principle of the TPS75515KTTT is based on the basic idea of input voltage being regulated to a lower voltage, then buffered and filtered to a clean, low noise output. This is done with an error amplifier, a feedback loop, and an output transistor driver circuit. The error amplifier is responsible for comparing the feedback voltage to a reference voltage, and then sending a signal to the output transistor driver circuit to adjust the output voltage accordingly. The output transistor is then responsible for delivering the regulated voltage to the output. The device also includes a thermal shutdown, current-limited and minimum on-time protection.

Conclusion

The TPS75515KTTT is a highly efficient, low noise linear regulator that is ideal for use in a variety of applications such as Industrial, Automotive, Medical, Wearable, Mobile and IoT. With a low dropout voltage, adjustable output voltage, current-limited, and thermal shutdown protection, the TPS75515KTTT is a great choice for those applications that require always-on, low-noise power solutions.

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