LES25B48-1V5RAJ

Current - Output (Max):	25A
Control Features:	Enable, Active Low
Size / Dimension:	2.30" L x 0.90" W x 0.33" H (58.4mm x 22.9mm x 8.4mm)
Package / Case:	8-DIP Module, 1/8 Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, OVP, SCP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	2.25kV
Power (Watts):	80W
Series:	Eighth-Brick B
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	1.5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters

DC DC converters are electrical devices that are used to convert a source of direct current (DC) power from one voltage level to another. They are typically used for applications such as motor control, medical equipment, and electronic devices. The LES25B48-1V5RAJ DC DC converter is one such device.

Application Field

The LES25B48-1V5RAJ DC DC converter is designed for light-load applications, such as powering LED light strips and other LED-based products. It is a 48-V to 5-V step-down converter with a maximum current output of 1.5 A. The converter has a wide input voltage range of 6-60 V, and it is capable of providing a regulated 5 V output at up to 96% efficiency. The device is designed to be used in automotive, industrial, and commercial applications.

Working Principle

The LES25B48-1V5RAJ DC DC converter uses a synchronous rectification converter topology, which utilizes two transistors that switch in opposite directions to provide a bi-directional current flow. The transistors switch on and off at certain intervals, which creates an alternating current signal that is rectified and regulated to produce a constant 5 V output. The device also features a sub-circuit that checks the input voltage and will shut down if it exceeds a certain threshold.

Design Features

The LES25B48-1V5RAJ DC DC converter is designed with a small package size and high power density for space-sensitive applications. The device has a low power dissipation of 4 mW and can operate over a wide temperature range of -40 to +85 ℃. Additionally, it has an over-voltage protection (OVP) safety feature that will shut down the converter if the output voltage exceeds a certain limit. The device is also equipped with a soft-start feature that prevents large inrush currents at initial start-up.

Conclusion

The LES25B48-1V5RAJ DC DC converter is a reliable and efficient device for powering LED light strips and other LED-based products. It has a wide input voltage range, high efficiency, and safety features for protecting against over-voltage. The device is designed with a small package size and high power density to better fit into space-sensitive applications.

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