LT8301ES5#TRMPBF Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Up/Step-Down
Output Configuration:	Positive or Negative, Isolation Capable
Topology:	Flyback
Output Type:	--
Number of Outputs:	1
Voltage - Input (Min):	2.7V
Voltage - Input (Max):	42V
Voltage - Output (Min/Fixed):	--
Voltage - Output (Max):	--
Current - Output:	1.2A
Frequency - Switching:	Down to 10kHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:	TSOT-23-5
Base Part Number:	LT8301

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LT8301ES5#TRMPBF DC DC Switching Regulators
The LT8301ES5#TRMPBF is a family of high efficiency, integrated, high frequency synchronous dc-dc switching regulators. These devices incorporate high voltage, low RDS(on) power MOSFETs and a high frequency current mode control with internal 16A & 20A minimum peak current limit, to provide high efficiency, small size, and fast transient response. The use of broadband, synchronous DC-DC converters is essential in today\'s electronic systems due to their high efficiency, small size, and their ability to rapidly respond to load changes. The LT8301ES5#TRMPBF family of devices is the latest advancement in Synchronous DC-DC switching converters.
Application Field of LT8301ES5#TRMPBF
The LT8301ES5#TRMPBF is ideally suited for a variety of applications including handheld electronics, automotive, telecom, audio, industrial and instrumentation products which require a high level of integration, a small solution size, as well as low power consumption. Examples include charging systems for portable battery powered products, adjustable load current sourcing, mobile phone multi-rail supplies and DC-DC voltage level translation.
Working Principle of LT8301ES5#TRMPBF
The LT8301ES5#TRMPBF utilizes an inductor that has both high and low side MOSFETs connected in series with it. The LT8301ES5#TRMPBF is a “non-isolated” DC-DC converter, which means that the output voltage is equal to the input voltage multiplied by a predetermined factor. In the LT8301ES5#TRMPBF regulators, the inductor is energized on both the high side and the low side of the input voltage, thus creating a flyback type of topology. The MOSFETs on the high and low side then switch on and off with a duty cycle as directed by the internal controller. When the high side MOSFET is on, the current is stored in the inductor, and when the high side MOSFET is off, the current is then discharged into the output. The low side MOSFET is then used to control the voltage applied to the inductor, and thus controlling the output voltage.
The LT8301ES5#TRMPBF is available in a wide selection of output voltages and can provide output currents up to 3A. It also has a wide operating temperature range of -40°C to +125°C. The LT8301ES5#TRMPBF is protected from current and voltage over-loads and includes an autonomous selectable soft-start feature which is used to reduce the surge currents upon start-up. The LT8301ES5#TRMPBF is offered in a 6-pin TSOT23 surface mount package.
In summary, the LT8301ES5#TRMPBF is a family of integrated, high frequency synchronous DC-DC switching regulators that delivers high efficiency, small solution size, and fast transient response. It is ideal for battery charging applications and adjustable load current sourcing. It is available in a wide selection of output voltages and can provide output currents up to 3A, with a wide operating temperature range of -40°C to +125°C. The LT8301ES5#TRMPBF is offered in a 6-pin TSOT23 surface mount package.

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