| Allicdata Part #: | 811-2197-ND |
| Manufacturer Part#: |
ULS-3.3/20-D48N-C |
| Price: | $ 20.69 |
| Product Category: | Power Supplies - Board Mount |
| Manufacturer: | Murata Power Solutions Inc. |
| Short Description: | DC DC CONVERTER 3.3V 66W |
| More Detail: | Isolated Module DC DC Converter 1 Output 3.3V 2... |
| DataSheet: |  ULS-3.3/20-D48N-C Datasheet/PDF |
| Quantity: | 1000 |
| 128 +: | $ 18.80250 |
| Current - Output (Max): | 20A |
| Control Features: | Enable, Active Low |
| Size / Dimension: | 1.30" L x 0.90" W x 0.40" H (33.0mm x 22.9mm x 10.2mm) |
| Package / Case: | 8-DIP Module, 1/16 Brick |
| Mounting Type: | Through Hole |
| Efficiency: | 90% |
| Operating Temperature: | -40°C ~ 85°C |
| Features: | Remote On/Off, OTP, OVP, SCP, UVLO |
| Applications: | ITE (Commercial) |
| Voltage - Isolation: | 2.25kV |
| Power (Watts): | 66W |
| Series: | ULS |
| Voltage - Output 3: | -- |
| Voltage - Output 2: | -- |
| Voltage - Output 1: | 3.3V |
| Voltage - Input (Max): | 75V |
| Voltage - Input (Min): | 36V |
| Number of Outputs: | 1 |
| Type: | Isolated Module |
| Part Status: | Active |
| Packaging: | Tray |
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DC to DC converters are electronic devices that are used to convert electrical power from one DC voltage level to another. ULS-3.3/20-D48N-C is one such device, designed for universal system power supplies applications, typically in demanding industrial environments.
ULS-3.3/20-D48N-C is a 3.3V output, 48V in dual converter isolated DC/DC power supply module. It has an integrated control loop that includes a power switch and output voltage sensing, which ensures precise voltage regulation and line/load regulation. The module has a selectable current limit of 20 amperes or 15 amperes, along with high efficiency up to 91%, which makes it the perfect choice for applications that demand superior power efficiency.
It has a low quiescent current and low thermal resistance. In addition, it has an internal diode for reverse battery protection. This makes it suitable for most industrial applications, including motor drives, robots, medical and military equipment, elevators, traffic signals, LED lighting control, and uninterruptible power supplies.
The working principle of ULS-3.3/20-D48N-C is quite simple. It uses a linear voltage regulator to convert the incoming 48V DC to the desired 3.3V DC. This is done by passing the input voltage through an inductor, rectifier, and a filter to reduce noise and ripple. Then, the output voltage is regulated by feedback from the sensing pin, which is connected to the output voltage.
The module has a Soft-Start function which prevents the output voltage from rising quickly or overshooting during startup. This protects the system from short-circuit and over-current conditions. It also has thermal protection which shuts down the module if it exceeds a certain temperature.
ULS-3.3/20-D48N-C is ideal for use in both commercial and industrial applications, due to its high efficiency, low quiescent current, and low thermal resistance. Its sophisticated circuitry and precise voltage regulation makes it an excellent choice for demanding industrial applications.
The specific data is subject to PDF, and the above content is for reference
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