TPS79901QDRVRQ1

Current - Output:	200mA
Base Part Number:	TPS79901
Supplier Device Package:	6-SON (2x2)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	70dB ~ 38dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	60µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.18V @ 200mA
Voltage - Output (Max):	6.5V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS79901QDRVRQ1 Overview

The TPS79901QDRVRQ1 is a low-dropout regulator (LDO) voltage regulator, or linear voltage regulator, which is highly efficient, maximizing power delivery and minimizing power dissipation in the source supply. This device is a Polymer-InL package (PINL package) and the major benefits it offers include superior thermal performance, increased reliability and smaller size.

TPS79901QDRVRQ1 Features

The TPS79901QDRVRQ1 has several features that make it ideal for applications such as portable/handheld devices, automotive, consumer electronics and industrial applications. The device provides high power efficiency for a range of input voltages including +6 V, +9 V, +15 V, +18 V and +24 V. It supports output voltages from +1.6 V to +6.5 V, and emits low heat due to its high dropout capability at greater than 0.2 V for an increase in dynamic range. It also offers a wide supply voltage range from 1.8 V up to 36 V, and very low dropout voltage (as low as 0.2V). The device features a low quiescent current of only 25 µA and offers an output noise level of 40 µVrms.The device is current and temperature-limited, which helps ensure reliability and safety. The device also includes internal short circuit protection and overtemperature protection, and has over-voltage protection and under-voltage protection capabilities. The TPS79901QDRVRQ1 has several other features that make it an ideal choice for a wide range of applications. It provides excellent load, line and temperature regulation, with high power efficiency and low EMI, and is resistant to transients. It includes a shutdown control and low noise operation, and can be powered up or down sequentially, enabling the device to power up from multiple power sources.

TPS79901QDRVRQ1 Applications

The TPS79901QDRVRQ1 is a wide-range LDO voltage regulator, designed for low voltage and high current applications. It is suitable for use in portable/hand-held devices, automotive, consumer electronics and industrial applications, such as:* Automotive audio systems * Battery-powered systems * Consumer electronics * Industrial equipment * Portable/hand-held devices * Mobile phones/smartphones * Tablets * Notebook computers/laptops

TPS79901QDRVRQ1 Working Principle

The working principle of the TPS79901QDRVRQ1 is relatively simple. The device takes an input voltage, typically from the battery, and reduces it to an appropriate level for the application that requires it. Once the voltage has been reduced, it is then regulated to a desired level and outputted.The TPS79901QDRVRQ1 is a linear voltage regulator and works by using a series of components, such as a voltage reference source, a temperature sense, a transistor and a FET switch. The voltage reference source provides a reference voltage which is used in the control loop of the device. The temperature sense is used to monitor the internal temperature and adjust the output voltage accordingly. The transistor and the FET switch act as an amplifier and current limiter, respectively.The device also includes over-voltage protection and under-voltage protection, which prevents damage to the device or the load due to current spikes or voltage surges. The device also includes short-circuit protection and over-temperature protection, which help to ensure reliability and safe operation.

Conclusion

The TPS79901QDRVRQ1 is a low-dropout regulator (LDO) voltage regulator, or linear voltage regulator, which is highly efficient and offers several features. It provides high power efficiency for a range of input voltages and supports output voltages from +1.6 V to +6.5 V. The device features a low quiescent current and offers an output noise level of 40 µVrms. It is suitable for use in portable/hand-held devices, automotive, consumer electronics and industrial applications. The working principle of the device is relatively simple and involves a series of components, such as voltage reference source, temperature sensor, transistor, and a FET switch. The device provides many additional features such as over-voltage protection, under-voltage protection, short-circuit protection, and over-temperature protection. It is an efficient device that is suitable for a wide range of applications.

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