Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	45V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.51V @ 500mA
Current - Output:	500mA
Current - Quiescent (Iq):	110µA
Current - Supply (Max):	25mA
PSRR:	78dB (120Hz)
Control Features:	Current Limit, Enable, Power Good, Soft Start
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	12-TSSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package:	12-MSOP-EP
Base Part Number:	LT3065

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Introduction

The LT3065EMSE-1.2#TRPBF is a low dropout (LDO) linear voltage regulator for portable devices. It improves the accuracy of voltage regulation and maintains a stable output voltage despite changes in load current or changes in the input voltage supply. It has a high efficiency operation and can provide a maximum output current of 1.2 A. The LT3065EMSE is designed to reduce output voltage ripple, hold a tight output voltage tolerance, and reduce the amount of heat produced with its high efficiency operation.

Application Fields

The LT3065EMSE-1.2#TRPBF can be used in a variety of applications, including mobile and portable devices, power conversion regulators, automotive applications, and industrial applications. It can be used to provide a stable output voltage for LCDs, FPGA/SoC, MEMs, and other analog circuits. It is also suitable for battery powered device applications, as it can maintain a low quiescent current (QC) and a low Iq dropout voltage, which can extend the battery life. Additionally, the LT3065EMSE-1.2#TRPBF has low output voltage noise and fast start up time, making it suitable for audio applications.

Features

The LT3065EMSE-1.2#TRPBF is a low noise, low quiescent current, high efficiency linear voltage regulator that has a wide input voltage range of 1.2V to 16V, and a high load current of 1200mA. It has a low quiescent current of 0.7mA, and a low voltage dropout of 250mV. The output voltage can range from 0.8V to 8V, depending on the adjustment. The LT3065EMSE-1.2#TRPBF has a two-pin shutdown with low power consumption and fast start up time. The LT3065EMSE-1.2#TRPBF also has built-in protection features including over temperature and over current protection. Additionally, the LT3065EMSE-1.2#TRPBF is available in an 8-pin SOIC (Small Outline Integrated Circuit) package and has a wide temperature range for industrial applications.

Working Principle

The LT3065EMSE-1.2#TRPBF uses linear voltage regulating technology. It uses a three step process to regulate the output voltage. First, an internal error amplifier compares the input voltage to a reference voltage and generates an error signal. This error signal is then sent to an internal oscillator which adjusts the frequency of the oscillator depending on the magnitude of the error signal. The output voltage is then determined by the oscillator frequency. The LT3065EMSE-1.2#TRPBF also has additional features like voltage limit, over temperature shutoff, short circuit protection, and soft start. A voltage limit feature monitors the output voltage and shuts off the circuit if the output is over or under a certain limit. The over temperature shutoff feature will shut off the circuit if temperatures exceed a predetermined level. Short circuit protection will turn off the output voltage if the output current is too large. And the soft start feature will ensure that the output voltage ramps up evenly to its set value.

Conclusion

The LT3065EMSE-1.2#TRPBF is a low noise, low quiescent current, high efficiency linear voltage regulator designed to reduce output voltage ripple, hold a tight output voltage tolerance, and reduce power loss in portable devices. It can provide a maximum output current of 1.2 A, has a wide temperature range, and has built-in features such as voltage limit, over temperature shutoff, short circuit protection, and soft start. It is suitable for a variety of applications including mobile and portable devices, power converters, automotive applications, and industrial applications.

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