LT6658AIMSE-3.3#TRPBF

Temperature Coefficient:	10ppm/°C
Base Part Number:	LT6658
Supplier Device Package:	16-MSOP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TJ)
Current - Supply:	3mA
Voltage - Input:	5.8 V ~ 36 V
Noise - 10Hz to 10kHz:	2ppmrms
Noise - 0.1Hz to 10Hz:	1.7ppmp-p
Series:	--
Tolerance:	±0.05%
Current - Output:	20mA
Voltage - Output (Max):	6V
Voltage - Output (Min/Fixed):	3.3V
Output Type:	Adjustable (Fixed)
Reference Type:	Series, Dual
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionLT6658AIMSE-3.3#TRPBF is a high precision Low Dropout (LDO) Linear Voltage Regulator that is capable of supplying 3.3V output with tight Load Regulation and low noise. It feature a 0.9V to 8V Input range and current limit of up to 2.6A. In addition to its robust features, the device also includes an adjustable current limit and an enable/shutdown impedance of 5ns. Its small size and low maximum dropout voltage make it suitable for many applications. Its wide input range and output ripple make it ideal for supplying most systems.Application FieldThe LT6658AIMSE-3.3#TRPBF is ideally suited for providing a regulated 3.3V output from a wide range of input sources from a 0.9V to 8V range. It is most suitable for applications where space is limited and the need for minimal power dissipation is required. The device has a variety of uses including the regulation of voltage in battery-operated systems, powering sensitive RF circuits, powering high-efficiency processors and providing a regulated voltage for memory and other digital electronics. It is also capable of supplying the high current needed to drive large loads with minimal power loss. Working PrincipleThe LT6658AIMSE-3.3#TRPBF is a low dropout linear voltage regulator designed to provide a regulated 3.3V output. It utilizes a combination of a bandgap reference, an error amplifier and a P-channel MOSFET pass transistor to regulate the output voltage across a wide range of input voltages.The device begins by sensing the input voltage and comparing it to the reference voltage of 3.3V in the bandgap reference. When the two voltages match, the error amplifier shuts down the MOSFET pass transistor and the regulated output voltage is held at 3.3V. When the output load is increased, the output voltage will drop, prompting the error amplifier to open the MOSFET pass transistor, allowing more current flow to the output load. The current will flow from the input, through the pass transistor, into the output load, and then be returned to the input, completing the circuit. This will increase the voltage at the output, bringing it back to the reference voltage.ConclusionIn conclusion, the LT6658AIMSE-3.3#TRPBF is a high precision Low Dropout (LDO) Linear Voltage Regulator that is capable of supplying 3.3V output with tight Load Regulation and low noise. In addition to its robust features, it also includes an adjustable current limit and an enable/shutdown impedance of 5ns. Its wide input range and output ripple make it ideal for supplying most systems, while its current limit makes it suitable for supplying the high current needed to drive large loads. It is most suitable for space-limited applications and systems where minimal power dissipation is required.

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