TLV70018DCKR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	1.8V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.25V @ 200mA
Current - Output:	200mA
Current - Quiescent (Iq):	55µA
Current - Supply (Max):	270µA
PSRR:	68dB (1kHz)
Control Features:	Enable
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Supplier Device Package:	SC-70-5
Base Part Number:	TLV70018

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TLV70018DCKR Application Field and Working PrincipleThe TLV70018DCKR is a low power, three-terminal adjustable voltage regulator featuring low quiescent current (Iq) and high-accuracy output voltage options. It is designed to provide up to 6.8V output with a 0.1V stepping range. This device is suitable for a wide range of applications, including USB power, 5V power supplies, portable device chargers, and DC/DC converters.The TLV70018DCKR is an adjustable low-dropout (LDO) regulator, offering low dropout voltage, fast transient response, and excellent regulation accuracy over a wide input voltage range. Its output voltage is adjustable from 0.8V to 6.8V with 0.1V stepping increments. This makes it suitable for various applications such as battery chargers and handheld device applications where more precise control of output voltage is required.The key features of the TLV70018DCKR are its low quiescent current draw and low dropout voltage. It has a very low quiescent current of 10μA at no load, making it suitable for applications where power consumption is a priority. Furthermore, the device has a low dropout voltage of typically 0.8V at maximum load, allowing it to be used in higher power applications.The TLV70018DCKR also features built-in current limiting, reverse current protection and thermal shutdown features to ensure that the device operates safely and reliably, even in extreme conditions. The device also supports both input ranges and is available in various packages depending on the application.The working principle of the TLV70018DCKR is relatively straightforward. It operates by regulating the output voltage using an internal voltage reference and voltage divider circuit. The input voltage is applied to the regulator’s input pin and is then regulated by the internal resistors, with the output voltage being determined by the voltage divider, which allows the user to select the desired output voltage. The voltage reference has an operating temperature range of -55°C to +125°C, allowing the device to operation at extreme temperatures with high accuracy. Additionally, the voltage divider has a low temperature coefficient, ensuring low output voltage drift over wide temperature ranges.To adjust the output voltage, the user can connect a series of external resistors to the adjust pin, which affects the output voltage through the voltage divider. The output voltage can then be adjusted within the range of 0.8V to 6.8V using the control pin input.In summary, the TLV70018DCKR is a low power, three-terminal adjustable voltage regulator featuring low quiescent current (Iq) and high-accuracy output voltage options. It is designed to provide up to 6.8V output with a 0.1V stepping range, making it suitable for a wide range of applications, including USB power, 5V power supplies, portable device chargers and DC/DC converters. The output voltage can be adjusted within the range of 0.8V to 6.8V using the control pin input and the device features built-in current limiting, reverse current protection, and thermal shutdown features to ensure reliable operation.

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