LT3091IFE#PBF

Current - Output:	1.5A
Base Part Number:	LT3091
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Current Limit, Enable
PSRR:	85dB ~ 20dB (120Hz ~ 1MHz)
Current - Quiescent (Iq):	50.5µA
Series:	--
Voltage Dropout (Max):	0.45V @ 1.5A
Voltage - Output (Max):	-32V
Voltage - Output (Min/Fixed):	0V
Voltage - Input (Max):	-36V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Negative
Part Status:	Active
Packaging:	Tube

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Overview of LT3091IFE#PBF

The LT3091IFE#PBF is a high current, low voltage, low noise and low temperature (Estimated Junction Temperature) linear voltage regulator from Linear Technology Corporation. The device is designed to provide a regulated output voltage from approximately 1V to 18V and features a wide input voltage range and excellent load transient response characteristics. The LT3091IFE#PBF can be used in a wide variety of applications, including automotive, aerospace, and industrial power systems.The LT3091IFE#PBF is an integrated circuit (IC) that operates on DC power supplied by an external source. The IC then uses a voltage regulator circuit to maintain a virtually constant output voltage, irrespective of input voltage. The LT3091IFE#PBF can also be used in both switching and linear regulator applications. It is designed to regulate both high and low current levels and can provide ripple rejection above 90 db.

Applications and Working Principle of LT3091IFE#PBF

The LT3091IFE#PBF is commonly used in applications such as automotive power systems, industrial power supplies, portable power sources and other power system designs requiring high current regulators. Its wide input voltage and current capabilities, along with its low noise and temperature performance, make it especially suited for industrial and automotive applications.The LT3091IFE#PBF operates as a linear voltage regulator by utilizing a voltage regulator circuit, which uses feedback to constantly compare the output voltage with the reference voltage and adjust its output accordingly.The IC uses an adjustable bandgap voltage reference to maintain the output voltage. The bandwidth limit of the closed loop control of the output voltage is around 2MHz. The IC also incorporates protection against overvoltage, over temperature, and reverse input voltage with hysteresis and fast transient response time.The LT3091IFE#PBF typically employs an external Schottky diode to reduce start-up time of the voltage regulator. The diode allows the regulator to start up instantaneously and deliver current up to 1A with current limiting. The IC also offers adjustable output current limitation and over-temperature protection. The LT3091IFE#PBF is a highly efficient and low noise voltage regulator with a wide input voltage range of 1V to 18V. It is available in a TO-220 package and is rated for working temperatures up to +125°C.In conclusion, the LT3091IFE#PBF is an excellent choice for applications requiring high current linear voltage regulator. Its low noise and temperature performance along with its wide input voltage range make it an ideal choice for automotive, industrial, and aerospace applications. Its efficient and innovative design will minimize system power consumption and help reduce overall system costs. Its advanced features, along with its critical safety features and acceptable failure modes, make the LT3091IFE#PBF an ideal solution for any voltage regulator application.

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