R-78W3.3-0.5 Allicdata Electronics
Allicdata Part #:

945-2270-ND

Manufacturer Part#:

R-78W3.3-0.5

Price: $ 5.99
Product Category:

Power Supplies - External/Internal (Off-Board)

Manufacturer: RECOM Power
Short Description: DC/DC CONVERTER 3.3V
More Detail: N/A
DataSheet: R-78W3.3-0.5 datasheetR-78W3.3-0.5 Datasheet/PDF
Quantity: 934
1 +: $ 5.44320
5 +: $ 5.36760
10 +: $ 5.29200
25 +: $ 5.14080
50 +: $ 4.83840
100 +: $ 4.68720
250 +: $ 4.53600
500 +: $ 4.38480
Stock 934Can Ship Immediately
$ 5.99
Specifications
Series: INNOLINE R-78-0.5
Packaging: Bulk 
Part Status: Active
Type: Enclosed
Voltage - Input (Min): 6.5V
Voltage - Input (Max): 32V
Number of Outputs: 1
Voltage - Output 1: 3.3V
Voltage - Output 2: --
Voltage - Output 3: --
Voltage - Output 4: --
Current - Output (Max): 500mA
Power (Watts): --
Applications: ITE (Commercial)
Efficiency: 90%
Operating Temperature: -40°C ~ 85°C
Mounting Type: Chassis Mount
Size / Dimension: 0.69" L x 0.45" W x 0.33" H (17.5mm x 11.5mm x 8.5mm)
Approvals: --
Description

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DC-DC converters are power converters used to convert DC values from one voltage level to another, and the R-78W3.3-0.5 is no exception. It is a buck-boost converter that utilizes a proprietary architecture to convert a 3.3V input voltage to a 5V output voltage with a maximum output current of up to 3.5A. It is designed to provide an improved power density of up to 30W without the need for bulky external components or a dedicated cooling system.

The R-78W3.3-0.5 converter uses both buck and boost operating modes that can be switched between automatically depending on the specific application, allowing flexibility in the application. The converter can also automatically switch from buck mode to boost mode if the output voltage reaches below 3.5V, allowing the converter to supply a stable 5V output even when the input voltage is at or near 3.3V. The converter can also be used in applications where the output voltage needs to be adjusted, as it allows for an input voltage range of 1.8V to 6V.

The R-78W3.3-0.5 converter is available in a small surface mount package and features low quiescent current to reduce power consumption. The converter also has a high efficiency of up to 93%, and a wide input/output range which allows it to be used for a variety of applications, such as home appliances, digital audio/video products, computer peripherals, and various industrial control systems. The converter further features over-voltage, over-current, and short-circuit protection to prevent damage to the device.

The working principle behind the R-78W3.3-0.5 converter involves a power switch along with a control circuit. The power switch is responsible for regulating the amount of energy transferred from the input voltage to the output voltage, while the control circuit is used to precisely monitor the output voltage and adjust the power switch accordingly. The control circuit monitors both the input and output voltages, and when the output voltage drops below the set threshold, the control circuit will initiate an increase in power switch duty cycle to raise the output voltage. Similarly, when the output voltage rises above the set threshold, the control circuit\'s power switch duty cycle is reduced to bring the output voltage back down.

The R-78W3.3-0.5 converter is an ideal choice for applications requiring a 3.3V to 5V conversion. Its wide input/output range and high efficiency make it suitable for a variety of applications, and its robust design ensures dependable operation even under extreme environmental conditions. The converter can also be used for applications requiring an adjustable output voltage, due to its ability to switch between buck and boost modes. This allows the R-78W3.3-0.5 converter to be a reliable and versatile solution for a wide range of power conversion needs.

The specific data is subject to PDF, and the above content is for reference

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