LTC1261LCMS8-4#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
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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LTC1261LCMS8-4#TRPBF Application Field and Working Principle

The LTC1261LCMS8-4#TRPBF, designed and manufactured by Linear Technology, is a high-efficiency, low-noise, single-phase synchronous buck switching regulator. It is a PMIC (Power Management Integrated Circuit) under the Voltage Regulators category and the DC DC Switching Regulators sub-division. This regulator is suitable for applications such as computing desktops or laptops, where extremely high conversion efficiency and low-noise output is required.This device operates at a switching frequency of up to 4 MHz, allowing the use of tiny external inductors and capacitors. The internal synchronous MOSFETs are designed to be very low on-resistance, allowing higher current ratings and better efficiency. The internal compensation, coupled with its adjustable current limit, also allows simplified system design and maximum flexibility.In addition, the LTC1261LCMS8-4#TRPBF also features an efficient, low quiescent current Burst Mode® operation, improving efficiency under light loads while still meeting tight load and line regulation requirements.In terms of its operation, the LTC1261LCMS8-4#TRPBF works by converting the incoming current from a high voltage source to a desired output voltage for use in electronic systems. The device uses a high-speed switching converter operating at a frequency of up to 4 MHz, which switches these high currents through an internal synchronous MOSFET switch. In this manner, the desired output voltage can be obtained. It also features an internal compensation network for added stability, as well as an adjustable current limit for added protection.The LTC1261LCMS8-4#TRPBF is ideal for applications that require high-efficiency and low-noise output, such as in laptop or computing desktops. The device’s adjustable current limit, internal compensation and burst mode operation allow efficient and reliable operation, while its high-speed switching converter ensures ultra-low voltage lags. Thus, this device offers a well-rounded and reliable solution for efficient power conversion.

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