LTC1844ES5-1.5#TRMPBF

Current - Output:	150mA
Base Part Number:	LTC1844
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	50dB (120Hz)
Current - Quiescent (Iq):	80µA
Series:	--
Voltage Dropout (Max):	0.45V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
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 LTC1844ES5-1.5#TRMPBF

The LTC1844ES5-1.5#TRMPBF is an adjustable low-dropout (LDO) linear voltage regulator. It is a 3-terminal device used to regulate the output voltage of an AC or DC input. This device is designed to operate over a wide range voltage and load conditions.

Features of the LTC1844ES5-1.5#TRMPBF

The LTC1844ES5-1.5#TRMPBF offers several features such as low quiescent current, low dropout voltage, wide input and output voltage range, high output current capability, and large thermal shutdown threshold. It also has a low temperature coefficient, low ESR and fast transient response.Low quiescent current: This device consumes very low quiescent current. This enables the LTC1844ES5-1.5#TRMPBF to be used in battery powered applications with minimal impact on battery runtime.Low dropout voltage: The LTC1844ES5-1.5#TRMPBF has a low dropout voltage, ensuring that the output voltage does not change significantly even when the input voltage drops.Wide input voltage range: The LTC1844ES5-1.5#TRMPBF can operate over a wide range of input voltages, from 6V to 30V. This allows the device to be used to provide regulated voltage in a variety of applications.High output current capability: The LTC1844ES5-1.5#TRMPBF offers a high output current capability of up to 500mA. This allows the regulator to be used to power a variety of loads with different levels of power requirements.Large thermal shutdown threshold: The LTC1844ES5-1.5#TRMPBF has a large thermal shutdown threshold of 135°C. This ensures that the device will not be damaged by excessive temperatures, and will shut down safely when the temperature becomes too high.Low temperature coefficient: The LTC1844ES5-1.5#TRMPBF has a low temperature coefficient of 0.05%/°C. This ensures that the output voltage remains stable in environments with changing temperature.Low ESR: The LTC1844ES5-1.5#TRMPBF has a low ESR (equivalent series resistance), ensuring that power supply ripple and noise are minimized.Fast transient response: The LTC1844ES5-1.5#TRMPBF has a fast transient response, allowing the output voltage to quickly track the input voltage without any overshoot.

Applications of the LTC1844ES5-1.5#TRMPBF

The LTC1844ES5-1.5#TRMPBF can be used for a variety of applications, including battery powered devices, portable electronics, automotive systems, and consumer electronics. Here are some examples of these applications:Battery powered devices: The low quiescent current and low dropout voltage of the LTC1844ES5-1.5#TRMPBF make it ideal for battery powered devices. It can provide a regulated voltage with minimal impact on battery runtime.Portable electronics: The wide input and output voltage range, high output current capability, and low temperature coefficient make it ideal for portable electronic devices such as cell phones, tablets, and laptops.Automotive systems: The large thermal shutdown threshold and low ESR make the LTC1844ES5-1.5#TRMPBF ideal for automotive systems. The device can provide a regulated voltage in environments with high temperatures and power supply noise.Consumer electronics: The LTC1844ES5-1.5#TRMPBF is ideal for consumer electronics. Its fast transient response ensures that the output voltage does not overshoot when the input voltage changes.

Working Principle of the LTC1844ES5-1.5#TRMPBF

The LTC1844ES5-1.5#TRMPBF is an adjustable linear voltage regulator. It works by controlling the input voltage to the output voltage using an adjustable voltage reference. The voltage reference is set using an external resistor divider. When the input voltage changes, the voltage reference is adjusted accordingly, and the internal transistor is turned on and off to regulate the output voltage. The LTC1844ES5-1.5#TRMPBF also has an internal current limiter to protect against overcurrent.

Conclusion

The LTC1844ES5-1.5#TRMPBF is a versatile adjustable linear voltage regulator designed for various applications. It has low quiescent current, low dropout voltage, wide input and output voltage range, high output current capability, large thermal shutdown threshold, low temperature coefficient, and low ESR. It also has a fast transient response. These features make the LTC1844ES5-1.5#TRMPBF suitable for battery powered devices, portable electronics, automotive systems, and consumer electronics. The LTC1844ES5-1.5#TRMPBF works by controlling the input voltage to the output voltage using an adjustable voltage reference, which is set by an external resistor divider. It also has an internal current limiter to protect against overcurrent.

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