LT3081HFE#PBF

Current - Output:	1.5A
Base Part Number:	LT3081
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 140°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Current Limit
PSRR:	90dB ~ 20dB (120Hz ~ 1MHz)
Current - Supply (Max):	5mA
Current - Quiescent (Iq):	50µA
Series:	--
Voltage Dropout (Max):	1.5V @ 1.5A
Voltage - Output (Max):	34.5V
Voltage - Output (Min/Fixed):	0V
Voltage - Input (Max):	36V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

LT3081HFE#PBF is a low dropout (LDO) linear voltage regulator which provides excellent regulation and accurate output voltage regulation over a wide input voltage range. It offers high power efficiency and low quiescent current while achieving a very fast transient response time. This device also features a wide input voltage range, short-circuit protection, power-on reset (POR), and a wide operating temperature range.

Application

The demand for reliable and efficient power solutions has led to an increase in the use of linear voltage regulators in a variety of applications. The LT3081HFE#PBF is a suitable solution for use in high-performance systems, such as consumer electronics, industrial, medical and automotive applications. In addition, due to its wide input voltage range, it can be used in applications where the input voltage fluctuates greatly.The LT3081HFE#PBF provides excellent performance, with low power loss, low noise and wide temperature range, in a small form factor. It is ideal for use in applications where space is a factor, such as tablet PC power solutions. It is also suitable for use in UPS systems, which require high reliability and low power consumption.

Working principle

The LT3081HFE#PBF operates through a simple voltage regulation mechanism. It works by comparing the incoming voltage with an internal reference voltage, and regulating the output voltage to maintain a constant output voltage.The device has two Distinctive Operational Transconductance Amplifiers (OTA) to ensure a very fast response time and high accuracy output voltage regulation over its wide input voltage range. The input current is monitored by the Pass Transistor, limiting the amount of current that can pass through the Linear Voltage Regulator in order to protect it from out of range voltages or excessive load current.The device also integrates a power-on reset (POR) circuit for power supply protection. This integrated functionality enables the device to operate reliably and provide superior performance over a wide range of operating conditions.

Conclusion

The LT3081HFE#PBF is a high efficiency low dropout linear voltage regulator which can be used in a variety of applications. It offers excellent regulation, accuracy, power efficiency and fast transient response time in a very small form factor. The device also features a wide input voltage range, short-circuit protection, power-on reset (POR) and an extended temperature range. Its low power loss and wide temperature range make it ideal for consumer electronics, industrial, medical and automotive applications.

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