LT1521CMS8-3#TRPBF

Current - Output:	300mA
Base Part Number:	LT1521
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	58dB (120Hz)
Current - Supply (Max):	12mA
Current - Quiescent (Iq):	25µA
Series:	--
Voltage Dropout (Max):	0.75V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC-Voltage Regulators-LinearLT1521CMS8-3#TRPBF is a linear-voltage regulator with an affordable, efficient and fast operating voltage control that is adjustable. The device features 3.2V to 27V input, fixed output voltages from 1.2V to 25V and up to 800mA of output current. It is suitable for use in a wide range of linear voltage regulators applications.The LT1521CMS8-3#TRPBF has a 10μF output capacitor and a 0.1μF supply capacitor for a stable power supply and a minimum number of external components. On-chip thermal protection makes the device safe in high temperatures.LT1521CMS8-3#TRPBF also has an on-chip 5V supervisor that shades against undershoot, overshoot and line transients. The device includes an over-temperature protection and an internal soft-start that limits in-rush current, ensuring a smooth transition during power up.In terms of its feature set, the LT1521CMS8-3#TRPBF is perfect for use in audio/video, printers, portable medical devices, battery operated systems, and automotive applications. It is suitable for wide temperature ranges from -40°C to 85°C.The LT1521CMS8-3#TRPBF is designed to give a low noise output. It has an improved power supply rejection ratio and low average ground current which ensures low power dissipation. Such features make the device an ideal choice for low-noise, low-power systems.The two major components of the LT1521CMS8-3#TRPBF are the voltage regulator and individual control circuitry. The voltage regulator is a linear voltage regulator, also known as a series regulator, which continuously controls the output voltage. It stores energy so that the output voltage can remain constant and stable. This can be done in a variety of ways, including resistors, transformers, and inductors.The individual control circuitry works to sense the incoming voltage and adjusts the output accordingly. This circuitry contains the main components: a voltage reference, an operational amplifier, and a series regulator circuit. The voltage reference helps ensure a constant voltage is present for the operational amplifier. The operational amplifier amplifies the difference between the input and reference voltages, providing an adjustable control voltage to the series regulator. The series regulator uses the control voltage output to adjust the current, and at the same time, adjust the output voltage, to keep it within the specified range.Ultimately, this linear voltage regulator is designed to offer controlling voltage that is both accurate and fast. It does this by providing stability, operational amplifier circuitry and reliable protection features. Serve best in a variety of applications, and priced competitively, the LT1521CMS8-3#TRPBF is a widely used, reliable and efficient device.

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