LT3061IMS8E#TRPBF

Current - Output:	100mA
Base Part Number:	LT3061
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable, Soft Start
PSRR:	85dB (120Hz)
Current - Supply (Max):	4mA
Current - Quiescent (Iq):	90µA
Series:	--
Voltage Dropout (Max):	0.43V @ 100mA
Voltage - Output (Max):	19V
Voltage - Output (Min/Fixed):	0.6V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field and Working Principle of LT3061IMS8E#TRPBF

LT3061IMS8E#TRPBF is a highly efficient low-voltage linear regulator. It is typically used in portable applications that require a low voltage supply to be regulated between 0.8V to 5.5V. This type of regulator is suitable for providing a small amount of current for short duration, such as for automotive, appliance and consumer electronics applications.

Features of LT3061IMS8E#TRPBF

The LT3061IMS8E#TRPBF is an adjustable low-noise Linear Regulator that provides a stable output voltage with minimal on-resistance. Its features include an adjustable voltage output of 0.8V to 5.5V, low quiescent current (typically 3.2mA), low dropout voltage (typically 0.1V at 50mA load and 0.2V at 100mA load), and very low ripple rejection over temperature and line transients. Additionally, it has high efficiency, up to 94% when outputting up to 1A load current. The part is also designed to have a very low output voltage noise, typically 20μVrms over 10kHz bandwidth.

Working Principle of the LT3061IMS8E#TRPBF

The LT3061IMS8E#TRPBF works by comparing internally generated reference voltage with an external feedback voltage sensed by an external sense pin. A difference between two voltages is fed to an error amplifier and then applied to a series pass transistor. This transistor regulates an output voltage as a result of its gain and resistance. The LT3061IMS8E#TRPBF is a current limited regulator; this means that the current into the error amplifier input pin can be limited and, as a result, the required load current.The LT3061IMS8E#TRPBF linear regulator\'s output voltage can be adjusted using an external voltage divider, or by using a digital programming pin. In either case, the adjustment range is 0.8V to 5.5V, such that the same part can be used in multiple low voltage applications. Additionally, the LT3061IMS8E#TRPBF features a power good voltage comparator that impedance to ground is minimized and at the same time, the accuracy of the controller’s output voltage is increased.

Conclusion

The LT3061IMS8E#TRPBF is a linear regulator that is ideal for applications where low dropout, low noise and low quiescent current are required. It is ideal for portable applications and can be used to provide a low voltage supply between 0.8V to 5.5V. The LT3061IMS8E#TRPBF works by comparing an internally generated voltage to an external feedback voltage with the difference fed to an error amplifier. The regulator is current limited and its output voltage can be adjusted using either an external voltage divider or by using a digital programming pin.

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