| Allicdata Part #: | BD8643FV-E2-ND |
| Manufacturer Part#: |
BD8643FV-E2 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ROHM Semiconductor |
| Short Description: | IC REG BUCK ADJ 3A SYNC 20SSOP |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
| DataSheet: |  BD8643FV-E2 Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Voltage - Output (Min/Fixed): | 0.8V |
| Base Part Number: | BD864* |
| Supplier Device Package: | 20-SSOP-B |
| Package / Case: | 20-LSSOP (0.240", 6.10mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -20°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 100kHz ~ 600kHz |
| Current - Output: | 3A |
| Voltage - Output (Max): | 18V |
| Series: | -- |
| Voltage - Input (Max): | 18V |
| Voltage - Input (Min): | 4.5V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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## IntroductionBD8643FV-E2 is a new DC-DC Voltage Regulator Module product from ROHM. It utilizes switching technology to accurately maintain the output voltage frequency and load current to a specific level. As a DC-DC Voltage Regulator, BD8643FV-E2 is designed for applications that require efficiency and reliability at low cost. It is a step-down DC-DC converter with a maximum output current of 6 ampere and an operating input voltage range of 7.5 to 40VDC. Furthermore, the output voltage can be adjustable from 0 to 5.5V without requiring any external components.## Application FieldBD8643FV-E2 is especially suitable for high power applications, including power supplies, DC-DC converters, and voltage regulators. It is often used in medical, industrial, and consumer electronics applications. Some applications where BD8643FV-E2 can be used include:- Automotive Electronics: BD8643FV-E2 can be used in automotive electronics such as electric motors, headlights, and air conditioning for electric vehicles.- Telecommunications: BD8643FV-E2 can be used as a voltage regulator for telecommunications systems such as base stations, routers, and switches.- Home Appliances: BD8643FV-E2 can be used as a voltage regulator for consumer home electronics such as televisions, kitchen appliances, and air conditioners.- Military and Aerospace: BD8643FV-E2 is suitable for use in military and aerospace applications where efficiency, reliability, and cost must be balanced.## Working PrincipleBD8643FV-E2 uses a synchronous dc-dc converter step-down topology to regulate the output voltage. The internal high-frequency switching elements, such as MOSFETs, are driven in an interleaved multi-phase operation to minimize loss and reduce input current ripple. The output voltage is regulated by controlling the on/off time of the switching elements.To reduce electromotive force (EMF) noise, the internal inductor is arranged in a shared arrangement. This reduces the average switching frequency, thus reducing the overall noise. The combination of a high-frequency noise-reduction circuit and the shared arrangement of the inductor minimizes the EMI noise generated.Furthermore, the IC is equipped with overcurrent protection, short-circuit protection, and overheat protection. It provides safe operation for the output of the IC.## ConclusionBD8643FV-E2 is a new DC-DC Voltage Regulator Module from ROHM. It uses synchronous DC-DC converter step-down topology and interleaved multi-phase operations to accurately regulate the output voltage and provide improved efficiency. It is especially suitable for high power applications, including power supplies, DC-DC converters, and voltage regulators. It is often used in medical, industrial, and consumer electronics applications as well as military and aerospace applications. It also provides protection against overcurrent, short-circuit, and overheat.The specific data is subject to PDF, and the above content is for reference
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