LA5744-HK-E

Voltage - Output (Min/Fixed):	1.23V
Base Part Number:	LA5744
Supplier Device Package:	220-5HK
Package / Case:	TO-220-5 Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	-30°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	300kHz
Current - Output:	3.1A (Switch)
Voltage - Output (Max):	28V
Series:	--
Voltage - Input (Max):	28V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tube

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DC DC Switching Regulators

DC DC switching regulators are ideal power supplies for applications in which highly efficient and complex circuitry is important. These highly efficient voltage controllers, when powered with a DC power source, provide the necessary electrical power to facilitate the operation of a wide variety of electronic and electromechanical devices.The LA5744-HK-E is an advanced switching regulator which is specifically designed to convert an input DC voltage to an output DC voltage. It is composed of a series of components that enable it to accurately regulate the output voltage regardless of input voltage, load current, and temperature variations.The LA5744-HK-E is designed for applications including power supplies for embedded systems, communications systems, electronic appliances, and industrial systems. It is capable of providing output currents up to 6 amps with a wide range of input and output voltages. It features output regulation from 0.8V to 24V and is rated for a maximum input voltage of 36V. Its operating temperature range is from -10°C to +85°C and it meets ANSI/ESD14.1 RoHS and UL60950-1 requirements.The LA5744-HK-E is a synchronous switching regulator composed of an active switch, a voltage feedback circuit and an integrated inductor. It employs a single transistor, two comparators and a bootstrap circuit to generate the necessary gate drive signal. This signal turns the active switch on and off to regulate the output voltage.In addition, the LA5744-HK-E features over current and over voltage protection circuitry which helps prevent device destruction. Its built-in calibration circuit helps maintain steady and accurate output voltage. It is also designed with a Tri-State pin for power recycling and the ability to be disabled for improved design flexibility.The LA5744-HK-E is an ideal choice for applications that require a high level of accuracy and reliability. Its highly efficient switching design results in better energy savings and improved voltage regulation. This makes it an attractive solution for powering a variety of devices in various fields.

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