R-78B3.3-1.0

Voltage - Output 3:	--
Control Features:	--
Size / Dimension:	0.45" L x 0.33" W x 0.69" H (11.5mm x 8.5mm x 17.5mm)
Package / Case:	3-SIP Module
Mounting Type:	Through Hole
Efficiency:	89%
Operating Temperature:	-40°C ~ 85°C
Features:	OTP, SCP
Applications:	ITE (Commercial), Medical
Power (Watts):	3W
Current - Output (Max):	1A
Series:	INNOLINE R-78B-1.0
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	32V
Voltage - Input (Min):	4.75V
Number of Outputs:	1
Type:	Linear Regulator Replacement
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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DC DC Converters

DC to DC converters are electronic devices used to convert a direct current (DC) power source to a different DC power source. This is typically done so that the output power can be used for different purposes such as charging batteries, powering high current devices like motors and powering sensitive devices like semiconductors. DC to DC converters come in a variety of forms, including voltage doublers, inverters, buck converters, boost converters and resonant converters.One of the more common DC to DC converters is the R-78B3.3-1.0. This is a buck converter, meaning it can convert a higher input voltage to a lower output voltage. It is capable of providing output voltages ranging from 1.2V to 12V and includes a wide range of protection features to ensure current protected operation even under extreme conditions.The main applications of the R-78B3.3-1.0 are in the automotive and consumer electronics industries because it is very reliable and cost-effective. It is also suitable for use in home appliances, security systems, lighting, portable medical equipment and electric vehicles. It is highly popular due to its wide range of adjustable settings, small size and low cost.The working principle of the R-78B3.3-1.0 is relatively simple. It consists of a power transistor, two rectifiers, two filter capacitors, and a voltage regulator. When power is applied to the device, the transistor switches on and off rapidly in response to the input voltage. This causes the electric current to alternate in direction, producing an AC voltage at the output. The rectifiers convert this AC voltage to DC and the filter capacitors smoothen out the fluctuations in voltage and supply a constant output voltage. Lastly, the voltage regulator ensures the output voltage remains constant, regardless of any fluctuations in line voltage.In summary, the R-78B3.3-1.0 is a buck converter designed to convert a DC power source to a different DC power source. It is highly popular due to its wide range of adjustable settings, small size and low cost and is suitable for automotive and consumer electronics applications. The working principle of the device is relatively straightforward, relying on a power transistor, two rectifiers, two filter capacitors and a voltage regulator.

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