EHHD020A0F41-HZ

Current - Output (Max):	20A
Control Features:	Enable, Active Low
Size / Dimension:	2.28" L x 0.90" W x 0.47" H (57.9mm x 22.8mm x 12.0mm)
Package / Case:	8-DIP Module, 1/8 Brick
Mounting Type:	Through Hole
Efficiency:	91%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	2.25kV
Power (Watts):	66W
Series:	Hammerhead™ EHHD020A0F
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC-DC Converters

EHHD020A0F41-HZ Application Field and Working Principle

DC-DC converters are devices used to convert a DC voltage from one level to another. They are very useful tools for various power electronics applications such as electric vehicles and solar power systems. The EHHD020A0F41-HZ is a switching DC-DC converter specifically designed for harsh environments such as aerospace and automotive.The EHHD020A0F41-HZ is a step-down converter that can operate from inputs ranging from 8 to 40V and provides a regulated output from 4.5 to 20V at 10A. It has a high efficiency of 93% and an extremely low no-load power consumption of only 5mW, making it an excellent choice for mobile and portable applications. It also has a wide operating temperature range of -40 to +105°C and meets the requirements of MIL-STD-1275, making it suitable for aerospace and automotive applications.The working principle of the converter is based on a switching regulator. It consists of four main components: an input converter, a storage capacitor, an output inductor, and a pulsewidth modulation (PWM) control circuit. The input converter is responsible for converting the DC input voltage to the appropriate level. The storage capacitor and inductor are then used to store and release energy via an oscillating process and the output is regulated by the PWM control circuit.When the PWM control circuit receives a low signal, the inductor is switched off and the input voltage is stored in the storage capacitor. When the input signal becomes higher, the inductor is switched on and the stored energy is released, regulating the output voltage. This process is repeated until the output voltage reaches the required level.In conclusion, the EHHD020A0F41-HZ is an excellent choice for harsh environment applications such as automotive and aerospace due to its high efficiency, low power consumption, and wide operating temperature range. Its switching regulator design enables it to convert a DC voltage from one level to another, making it a very useful tool for many power electronics applications.

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