Current - Output:	20mA
Base Part Number:	LT3014
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:	70dB (120Hz)
Current - Supply (Max):	1mA
Current - Quiescent (Iq):	20µA
Series:	--
Voltage Dropout (Max):	0.57V @ 20mA
Voltage - Output (Max):	60V
Voltage - Output (Min/Fixed):	1.22V
Voltage - Input (Max):	80V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT3014HVIS5 #TRPBF Application Field and Working Principle

Introduction

The LT3014HVIS5 #TRPBF is an adjustable linear voltage regulator from the family of PMIC (power management integrated circuits). This family is a mature and powerful choice among circuit designers looking for a reliable voltage regulation as VIN operates within the industrial temperatures range of -40 degrees Celsius to 125 degrees Celsius. The LT3014HVIS5 #TRPBF is in a tiny TSOT5-5 package and offers adjustable outputs of 1.5V to 10V with a maximum dropout voltage of 0.5V. It is the ideal solution for applications that require the capability of precise voltage regulation, low power consumption and a very small footprint.

Feature Overview

The LT3014HVIS5 #TRPBF comes with an array of features which makes it suitable for many applications. It has an adjustable output voltage range of 1.5V to 10V and dissipates minimal power. This makes it an easy choice for powering devices that require a low voltage supply. The Linear Technology offering features a low dropout voltage of only 0.5V, which enables the use of input voltage equal to the output voltage, thereby eliminating the need for two separate electrical source input.The LT3014HVIS5 #TRPBF also features a trim function to aid the adjustable outputs. Trimming allows the output voltage to be adjusted within the voltage range of 1.5V to 10V in 0.2% resolution steps. It also boasts of an output current limiting which prevents the system from damage due to excessive current draw. Along with over-current protection, it also offers protection against thermal overload, making it an ideal choice for safety-critical system designs.

Typical Application

The LT3014HVIS5 #TRPBF is a preferred choice for many systems. Its applications include powering embedded circuits and it can also act as an current source for a wide range of medical and consumer applications. Its tiny TSOT5-5 package also makes it suitable for small space applications like portable devices, where size is a key factor. Its features make it suitable for powering a variety of low power logic devices.

Working Principle

The LT3014HVIS5 #TRPBF follows a simple concept of linear regulators. It consists of three terminals namely input (Vin), output (Vout) and ground (GND). The output voltage is set by a voltage divider connected to the adjustment pin (Aadj). The output voltage is given by:Vout = Vin - (Vin - Aadj)*R2 / (R1 + R2)When the input voltage is applied across the different pins, it causes the internal FETs to operate in order to maintain a constant output voltage. The LT3014HVIS5 #TRPBF is able to regulate output voltage from 1.5V to 10V, and the dropout voltage is maintained below 0.5V throughout the line regulation range.

Conclusion

The LT3014HVIS5 #TRPBF is a ultra-small low power linear regulator, with a highly efficient and reliable design. It can be used in a wide range of applications due to its adjustable outputs and trim function. Its over-current protection and thermal overload protection make it an ideal choice for safety-critical system designs. All these features, combined with its small size and minimal power consumption, make the LT3014HVIS5 #TRPBF one of the most reliable and efficient solutions for low power linear regulators.

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