R-78B1.8-1.0 - Audio/video converter Recom - Free user manual and instructions
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| Product Type | Audio/video converter (switching regulator module) |
| Brand | Recom |
| Model | R-78B1.8-1.0 |
| Input Voltage Range | 4.75V to 18V DC |
| Output Voltage | 1.8V DC |
| Output Current | 1A (max) |
| Efficiency | Up to 92% |
| Package / Mounting | SIP-3, through-hole |
| Dimensions (L x W x H) | 11.5 x 7.5 x 10.2 mm |
| Weight | 4.3 g |
| Operating Temperature Range | -40°C to +85°C |
| Protections | Short-circuit, overcurrent, thermal shutdown |
| Main Functions | Converts DC power to a stable 1.8V supply for audio/video electronics |
| Maintenance | No regular maintenance required; keep dry and clean |
| Safety | Built-in protections, UL/EN compliant |
| Spare Parts | Not user-replaceable; replace entire module |
| Repairability | Non-repairable, sealed module |
| General Information | High-efficiency, low ripple, ideal replacement for linear 78xx regulators |
Frequently Asked Questions - R-78B1.8-1.0 Recom
What is the input voltage range of the R-78B1.8-1.0?
The input voltage range is 4.75V to 18V DC.
Can I use this converter to power a 1.8V audio chip from a 5V supply?
Yes, the R-78B1.8-1.0 converts an input voltage between 4.75V and 18V down to a stable 1.8V output with up to 1A current.
Does this converter require a heatsink?
At typical loads, no heatsink is required due to its high efficiency. For continuous 1A output, ensure adequate airflow.
How do I connect the R-78B1.8-1.0?
Connect the input positive to pin 1, ground to pin 2, and output positive on pin 3. Refer to the pinout diagram in the manual.
Is this converter suitable for battery-operated audio/video devices?
Yes, its low quiescent current and high efficiency make it ideal for battery-powered equipment.
What protections does it have?
It offers short-circuit protection, overcurrent protection, and thermal shutdown.
Can I replace an LM78L05 with this device?
Only if your circuit requires a 1.8V output. The R-78B1.8-1.0 is a drop-in replacement for a 78L regulator with a different output voltage and higher efficiency.
Is this converter noisy? Will it affect audio quality?
The R-78B series features low ripple and noise, making it suitable for sensitive audio circuits.
What is the maximum output current?
The maximum continuous output current is 1.0A.
What are the dimensions of the module?
The module measures 11.5 x 7.5 x 10.2 mm (SIP-3 package).
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USER MANUAL R-78B1.8-1.0 Recom
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Product information
Brand : Recom
Model : R-78B1.8-1.0
Category : Audio/video converter