LT3467EDDB#TRPBF

Voltage - Output (Min/Fixed):	1.255V
Base Part Number:	LT3467
Supplier Device Package:	8-DFN (3x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	1.3MHz
Current - Output:	1.1A
Voltage - Output (Max):	40V
Series:	--
Voltage - Input (Max):	16V
Voltage - Input (Min):	2.4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost, Flyback, SEPIC
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe LT3467EDDB#TRPBF is a leading-edge DC-DC switching regulator with a wide range of applications. It provides efficient, low-noise, low-input voltage power conversion with a low quiescent current to reduce power consumption. In addition, the adjustable switching frequency allows for a wide range of switching frequencies from 200 kHz to 4MHz. The LT3467EDDB#TRPBF also features a wide input voltage range from 4.5V to 28V, and its synchronous rectification reduces typical maximum power losses to just 0.5W.Application FieldThe LT3467EDDB#TRPBF is suitable for a wide range of applications. Its wide input voltage range makes it well-suited for use in portable or battery-operated devices such as PDAs, cellular phones, digital cameras, and medical devices. Its low quiescent current also makes it ideal for implementing portable power-management systems and high-efficiency power supplies. Furthermore, its adjustable switching frequency also makes it suitable for use in automotive and general-purpose power supplies.Working PrincipleThe LT3467EDDB#TRPBF utilizes a synchronous rectification system which is based on a buck regulator configuration. The buck regulator configuration consists of two main components, the switches and the inductor. The switches are used to regulate the output voltage of the circuit, while the inductor stores energy from the input voltage. When the switches are on, the inductor acts as an energy source to the output, and when the switches are off, the inductor releases the energy to the output. The circuit is controlled by a feedback loop, which monitors the output voltage and adjusts the duty cycle of the switching to maintain the desired voltage. Additionally, the adjustable switching frequency allows for more efficient power conversion and lower peak-current demand, making it an ideal choice for battery-powered applications. ConclusionThe LT3467EDDB#TRPBF is a powerful and efficient DC-DC switching regulator with a wide range of applications. It has a wide input voltage range, a low quiescent current, and an adjustable switching frequency, making it suitable for portable battery-operated applications. Additionally, its synchronous rectification reduces typical maximum power losses to just 0.5W, making it the perfect choice for high-efficiency power supplies.

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