LTC1474CS8-3.3#TRPBF

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	LTC1474
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	--
Current - Output:	750mA (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	18V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck, Buck-Boost, SEPIC
Output Configuration:	Positive or Negative
Function:	Step-Down, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LTC1474CS8-3.3#TRPBF Application Field and Working Principle

The LTC1474CS8-3.3#TRPBF is a part of the DC-DC switching regulator family used to design a high-efficiency, low-noise, synchronous buck DC-DC converter that can convert a wide variety of input voltages into a precise 3.3V output. The LTC1474 is a member of the Linear Technology advanced switching regulators and provides a single-stage synchronous step-down regulator with low noise operation and high levels of efficiency.

Applications

The LTC 1474 CS8-3.3#TRPBF is designed to be a flexible, efficient, and low noise component in a variety of applications. These include, but are not limited to :- Embedded systems- Computer systems and servers- Industrial, automotive and automotive communications systems- Networking devices- Intelligent and connected home devices

Features

The LTC1474CS8-3.3#TRPBF has a wide range of features and benefits, including:- Wide input voltage range from 3V to 28V- Output voltage accuracy of ±2%- High efficiency up to 94%- Adjustable/programmable switching frequency from 100kHz to 1MHz- All-ceramic version for extended temperature range- Internal soft-start- Low noise operation

Functional Description

The LTC1474CS8-3.3#TRPBF is a controller for a high-efficiency, low-noise, synchronous step-down DC-DC converter. It is designed to be used in a wide variety of applications such as embedded systems, computer systems and servers, and industrial, automotive, and automotive communications systems. It features an input voltage range of 3V to 28V and an output voltage accuracy of ±2%. The high-efficiency synchronous step-down switching regulator provides a 1MHz switching frequency and allows for adjustable/programmable frequencies down to 100kHz. It also includes an internal soft-start and low noise operation with high efficiency up to 94%.At the core of the LTC1474CS8-3.3#TRPBF is a programmable current-mode control loop that provides fast load and line transient response. This is combined with a low-resistance N-channel synchronous MOSFET switch, a current-sense amplifier, an error amplifier, a phase-lock loop (PLL), and a precision reference.The LTC1474CS8-3.3#TRPBF is designed to provide a regulated 3.3V output voltage with fast transient response and low output voltage ripple. The output voltage is regulated by controlling the duty cycle of the N-channel MOSFET switch

End Products

The LTC1474CS8-3.3#TRPBF is the ideal solution for a wide range of applications and is used in a variety of end products. These include, but are not limited to :- Embedded systems- Computer systems and servers- Industrial, automotive and automotive communications systems- Networking devices- Intelligent and connected home devices

Conclusion

The LTC1474CS8-3.3#TRPBF is one of the most reliable and efficient members of the Linear Technology advanced switching regulators. It is designed to provide a low-noise output and fast transient response, and features adjustable/programmable frequencies from 100kHz to 1MHz and an efficiency up to 94%. The wide input voltage range and output voltage accuracy of ±2% make it suitable for a wide variety of applications, including embedded systems, computer systems and servers, industrial, automotive, and automotive communications systems, networking devices, and intelligent and connected home devices.

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