LTC1261CS8-4#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):	3V
Voltage - Input (Max):	8V
Voltage - Output (Min/Fixed):	-4V
Voltage - Output (Max):	--
Current - Output:	12mA
Frequency - Switching:	550kHz
Synchronous Rectifier:	No
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	LTC1261

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LTC1261CS8-4#TRPBF is a series of DC to DC switching regulators with an output current of up to 3A and voltage of up to 36V. It is designed for multiple output voltage applications. The LTC1261CS8-4#TRPBF is rated to work over an input voltage range of 6V to 36V. It is an ideal choice for those with CompactPCI designs that require an isolated DC/DC converter to create multiple isolated supplies in the same package.The LTC1261CS8-4#TRPBF is a low dropout DC-DC switching regulator with a high current (3A) output capability. It has an efficiency as high as 95%, and can operate in current mode or voltage mode. It features integrated MOSFETs for high efficiency and high-side current sensing, allowing for accurate current sensing. It also features adjustable soft-start to eliminate inrush current.The LTC1261CS8-4#TRPBF has a wide range of features, including an integrated power switch, adjustable output voltage, overvoltage protection, and an EMI filter circuit. The power switch includes over-temperature protection, and the output voltage is adjustable with a wide range of trim resistors. The EMI filter circuit minimizes electromagnetic interference and meets all current international standards.The LTC1261CS8-4#TRPBF is designed to meet the requirements of applications such as digital media players, PDAs, networking, automotive, medical, and industrial. The switch mode IC offers a wide input voltage (6V to 36V) and is rated to deliver up to 3A of current. The high-side current sensing allows designers to accurately limit the output current and the EMI filter circuit reduces the appearance of unwanted electromagnetic interference. The LTC1261CS8-4#TRPBF has many applications. It can be used to power handheld or embedded applications, or serve as the main power supply in many industrial systems. The LTC1261CS8-4#TRPBF is also suitable for use in modern automotive systems, such as powertrains, lighting, and heating/ventilation, as well as the communications and control systems of the increasingly connected car. In medical, dental, and imaging systems, the LTC1261CS8-4#TRPBF is used as a power supply for essential devices, such as imaging systems, portable analytical instruments and mobile medical devices.The working principle of the LTC1261CS8-4#TRPBF is based on a voltage mode peak current pulse width modulation (PWM) architecture. The LTC1261CS8-4#TRPBF integrates a power MOSFET for high-efficiency power conversion. The converter works in discontinuous conduction mode (DCM) to deliver a fixed output voltage under load or no load conditions. The voltage mode control scheme is used to control the switching frequency of the converter, which can be adjusted by the user by changing the external clock frequency. The output voltage can also be adjusted by changing an external reference voltage, VREF. In summary, the LTC1261CS8-4#TRPBF is a high-efficiency, 3A, adjustable isolated DC/DC switching regulator designed to meet the power requirements of many applications. Its wide input voltage range (6V to 36V) and high current capability makes it ideal for powering digital media players, PDAs, networking equipment, automotive systems, medical and industrial systems. The integrated power switch, adjustable output voltage, overvoltage protection, and EMI filter circuit make it a highly reliable, flexible and efficient DC-DC switching regulator.

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