LT1761IS5-SD#TRPBF

Voltage Dropout (Max):	0.45V @ 100mA
Base Part Number:	LT1761
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
Control Features:	Enable
PSRR:	65dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	20V
Voltage - Output (Min/Fixed):	1.22V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT1761IS5-SD#TRPBF Application Field and Working Principle

LT1761IS5-SD#TRPBF is a low dropout (LDO) linear voltage regulator from Texas Instruments. It is a versatile 3-terminal regulator with a wide operating input voltage range of 2.7V-36V, output current of up to 1A, and low dropout voltage of 250mV at full load. It is designed for use in compact, highly integrated platforms where board space and noise are at a premium.The LT1761IS5-SD#TRPBF has been specifically designed for Power Management Integrated Circuits (PMICs) and provides a convenient and cost-effective solution that resists temporary surges, transient voltage droops, and negative glitches. With its low quiescent current and excellent transient response, it is suitable for powering audio and data acquisition systems, portable medical devices, automotive ECUs, and many other applications.

Overview

The LT1761IS5-SD#TRPBF provides a linear voltage regulation solution for low quiescent current applications. It is a low dropout (LDO) voltage regulator with a high temperature operating range of -40°C to +125°C. It has an input voltage range of 2.7V-36V and an output voltage range of 0.8V to 33V. It can supply up to 1A of output current with a low dropout voltage of 250mV at full load. It features a low quiescent current of only 100μA and a low noise of 20μVRMS.It also features adjustable current limiting protection which is monitored on-chip. Additionally, the LT1761IS5-SD#TRPBF has a two-stage reverse polarity protection circuit that protects against reversed input voltage. With its low noise, high current capability, and wide input voltage range, the LT1761IS5-SD#TRPBF is capable of powering many different types of applications.

Application Field

The LT1761IS5-SD#TRPBF is ideal for powering audio and data acquisition systems, portable medical devices, automotive ECUs, and many other applications. It also supports a wide variety of output levels, from 0.8V to 33V, making it suitable for powering many types of microcontrollers and other low voltage logic circuits. The regulator can also be used for powering a wide variety of sensors and displays.The LT1761IS5-SD#TRPBF is ideal for OEM applications requiring a low quiescent solution. The integrated safety features provide protection against various fault conditions, and the device offers a wide input voltage range, low dropout voltage, and low noise performance. Additionally, the device has a high temperature range, making it suitable for automotive, industrial, and other high temperature applications.

Working Principle

The LT1761IS5-SD#TRPBF is a low dropout (LDO) linear voltage regulator with a wide input voltage range of 2.7V-36V. It utilizes a reference voltage of 0.8V to provide an output voltage that is proportional to the input voltage. The regulator monitors the output current and shuts off the output if the current exceeds a predetermined limit set by the driver.The LT1761IS5-SD#TRPBF utilizes a low dropout voltage of 250 mV at full load, allowing it to maintain a consistent output voltage of 0.8V up to 33V regardless of load current. The device also features a low quiescent current of only 100μA and a low noise performance of 20μVRMS.The LT1761IS5-SD#TRPBF has two stages of reverse polarity protection, a current sense circuit, and over-temperature protection, making it an ideal solution for many different types of applications. Additionally, the device is designed to be flexibility and more compact in size, enabling it to be used in various platforms and designs.

Conclusion

The LT1761IS5-SD#TRPBF is a low dropout (LDO) linear voltage regulator from Texas Instruments that features an input voltage range of 2.7V-36V, output current of up to 1A, and low dropout voltage of 250mV at full load. It is designed for use in compact, highly integrated platforms where board space and noise are at a premium.The LT1761IS5-SD#TRPBF has been specifically designed for Power Management Integrated Circuits (PMICs) and provides a convenient and cost-effective solution that resists temporary surges, transient voltage droops, and negative glitches. It is also suitable for powering audio and data acquisition systems, portable medical devices, automotive ECUs, and many other applications due to its low quiescent current, excellent transient response, low noise, and high current capability. Overall, the LT1761IS5-SD#TRPBF is an ideal solution for a wide range of applications requiring low quiescent current and a consistently regulated output voltage. It features a wide input voltage range, current limiting protection, reverse polarity protection, low noise, and high temperature operation. Furthermore, its integrated safety features provide protection against various fault conditions, making it a reliable, easy-to-use, and cost-effective solution for powering many different types of applications.

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