LTC1261LCMS8-4#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Step-Up/Step-Down
Output Configuration:	Negative
Topology:	Charge Pump
Output Type:	Fixed
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	5.25V
Voltage - Output (Min/Fixed):	-4V
Voltage - Output (Max):	--
Current - Output:	20mA
Frequency - Switching:	650kHz
Synchronous Rectifier:	No
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	8-MSOP
Base Part Number:	LTC1261

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The LTC1261LCMS8-4#PBF is a type of DC-DC switching regulator. It belongs to the product family of PMIC (Power Management Integrated Circuit). It is designed to control the electrical flow between the input power source and the output load. This regulator is ideal for applications requiring low dropout (LDO) or high efficiency linear switched mode power supply (SMPS) operation.The input voltage range of the LTC1261LCMS8-4#PBF is 3V to 36V, and its output voltage range is 0.8V to 5V. With a typical maximum output current rating of 4A, this regulator is suitable for powering circuits with a small load or multiple loads at different currents. The onboard power management features include current limit protection and thermal shutdown to ensure reliable operation and long term reliability. The LTC1261LCMS8-4#PBF also features the enable pin which can be used to enable or disable the output voltage in order to save power if the load is not in use. It also offers adjustable current limiting and soft-start functions to prevent inrush currents that can damage the components.To ensure optimal performance, the LTC1261LCMS8-4#PBF implements several advanced and sophisticated techniques. These include frequency modulation, which adjusts the switching frequency to minimize the switching losses based on the load current. It also implements pulse-by-pulse current limit, which reduces peak output current and hence the overload risk at high load currents and high input voltages.The LTC1261LCMS8-4#PBF is a versatile device which is suitable for a wide range of applications. It can be used for DC-DC power conversion, voltage regulation, battery charging, and many other power supply applications. Its high efficiency and low dropout performance make it a great choice for regulating the output voltage of solar panels, microcontrollers, point-of-load converters, and other applications.In conclusion, the LTC1261LCMS8-4#PBF is a high efficiency, low-dropout DC-DC switching regulator which is suitable for powering circuits with small or multiple loads. Its advance and sophisticated techniques, such as frequency modulation, current limit and soft-start, help ensure optimal performance and long term reliability. It is a great choice for solar panel voltage regulation, microcontroller power, and many other power supply applications.

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