LT1129MPST-3.3#TRPBF

Current - Output:	700mA
Base Part Number:	LT1129
Supplier Device Package:	SOT-223-3
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	64dB (120Hz)
Current - Supply (Max):	90mA
Current - Quiescent (Iq):	70µA
Series:	--
Voltage Dropout (Max):	0.7V @ 700mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT1129MPST-3.3#TRPBF is an adjustable current-limited low–dropout voltage regulator, mainly used as a power supply for integrated circuit (IC) and other electronic components. It has a wide range of applications, and its main features include excellent regulation and transient response, very low dropout voltage, wide operating voltage range and low quiescent current.In terms of application fields, the LT1129MPST-3.3#TRPBF voltage regulator is suitable for use in battery-powered systems, computing and communication systems, automotive front-end modules, medical electronics and consumer electronics. Specifically, it can be used in processor core logic and other applications requiring a low-noise voltage regulator.For working principle, the LT1129MPST-3.3#TRPBF is composed of a PNP transistor, an N-channel MOSFET, a voltage reference, thermal compensation components and other components. The PNP transistor provides a current path to the output voltage, and the clean MOSFET is used to provide faster dynamic response. The output voltage is regulated by the reference voltage and its thermal compensation mechanism, and the MOSFET is accelerated when a rapid line transient occurs. The voltage reference and the thermal compensation components can minimize the quiescent current, which is conducive to saving energy consumption and achieving high efficiency.In addition, the LT1129MPST-3.3#TRPBF supports low-power standby, low startup current and power-good signals to reduce system costs. Other features include current limit, thermal limiting, output voltage selection and over-voltage protection. And, its commercial-grade grade operation temperature range is -40°C to 130°C and its industrial grade extends to -40°C to 150°C.In conclusion, the LT1129MPST-3.3#TRPBF adjustable current-limited low–dropout voltage regulator is suitable for use in a wide range of applications, including battery-powered systems, computing and communication systems, automotive front-end modules, medical electronics and consumer electronics. It has excellent regulation and transient response, very low dropout voltage, wide operating voltage range and low quiescent current, making it a great choice for processor core logic and other demanding applications.

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