TPS70618DBVT

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
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:	80dB ~ 52dB (10Hz ~ 1kHz)
Current - Supply (Max):	350µA
Current - Quiescent (Iq):	2.55µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to TPS70618DBVT
The TPS70618DBVT is a low drop out (LDO) linear voltage regulator from Texas Instruments. It provides precise voltage regulation from an input of 3.2V to 6V and is capable of output currents up to 1000 mA. With an industry-standard 3-pin SOT-223 form factor, it is optimized for space-constrained applications. It also features a fast load-transient response and low on-resistance, making it suitable for a variety of performance-sensitive applications such as digital cameras and large TFT LCD TV screens.
Application Field of TPS70618DBVT
The TPS70618DBVT is ideal for space-constrained applications with demanding power requirements. It is well suited for 3.3V, 5V, and 12V systems in consumer, telecommunications, laptop, LCD display, and automotive applications.Due to its low dropout voltage and high current drive capability, the TPS70618DBVT is well-suited for powering low-voltage microprocessors and memories. Its excellent fast load-transient response and low on-resistance make it ideal for powering high-speed CPUs in handsets, portable medical equipment, automotive systems, digital cameras and large TFT LCD TV screens. The TPS70618DBVT is also a great choice for designs needing high precision voltage regulation as it offers a load regulation of 0.1% over load current ranges.The TPS70618DBVT is rated to operate over a temperature range from -40°C to 125°C which makes it suitable for running in extreme conditions, such as in automotive or off-the-grid systems. It also offers improved efficiency compared to older linear voltage regulators, allowing for greater power savings and extended battery life. Its low noise, low quiescent current, and low output voltage ripple make it suitable for powering sensitive analog applications.
Working Principle of TPS70618DBVT
The TPS70618DBVT is a low dropout linear voltage regulator. It works by providing precise voltage regulation over a range of input voltages by using a voltage reference, error amplifier, and pass elements. The voltage reference provides a precise reference voltage which is compared to the output voltage by the error amplifier. If the output voltage is higher than the reference voltage, the error amplifier will signal the pass element to reduce the output voltage. On the other hand, if the output voltage is lower than the reference voltage, the error amplifier will signal the pass element to increase the output voltage.The TPS70618DBVT can be adjusted for improved power savings by changing its output voltage using an external resistor. The output voltage can be set using two external resistors connected to its adjustment pin (ADJ). It also provides overcurrent protection and thermal shutdown protection, preventing damage from excessive current draw or excessive temperatures. The TPS70618DBVT includes a power-on-reset (POR) function that guarantees a valid initial voltage at power up, as it prevents the output voltage from dropping below the minimum output voltage before the regulator starts operating.With its low dropout voltage, wide temperature range, excellent load-transient response and high current drive capability, the TPS70618DBVT is ideal for powering low-voltage microprocessors, memories and other performance-sensitive applications.
Conclusion
The TPS70618DBVT is a low dropout linear voltage regulator from Texas Instruments that can provide precise voltage regulation from an input of 3.2V to 6V and is capable of output currents up to 1000 mA. It can be used in a variety of applications such as consumer, telecommunications, laptop, LCD display, and automotive. Its low dropout voltage and high current drive capability make it suitable for powering low-voltage microprocessors and memories, while its excellent load-transient response and low on-resistance make it ideal for powering digital cameras, large TFT LCD TV screens, and other performance-sensitive applications. The TPS70618DBVT also offers improved efficiency and extended battery life, along with a wide temperature range and overcurrent and thermal shutdown protection, making it a great choice for high precision voltage regulation applications.

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