LM3000ASQ/NOPB
SWITCHING REGULATOR/CONTROLLERManufacturer: National Semiconductor
Categories: DC DC Switching Controllers
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The National Semiconductor LM3000ASQ-NOPB is a high-performance, synchronous buck controller designed for efficient step-down DC-DC conversion. This device features a flexible switching frequency range from 200kHz to 1.5MHz, allowing for optimization of component size and efficiency. The controller integrates robust control features including current limit, enable, frequency control, power good, soft start, and tracking, simplifying system design. With two output phases and a maximum duty cycle of 85%, it is well-suited for applications requiring high current delivery. The LM3000ASQ-NOPB supports a supply voltage range of 3.3V to 5.5V and operates across an industrial temperature range of -40°C to 125°C. Its 32-WQFN (5x5) exposed pad package facilitates efficient thermal management for demanding applications. This component is commonly utilized in power management systems for computing, industrial, and communication infrastructure.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 32-WFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 200kHz ~ 1.5MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 3.3V ~ 5.5V |
| Supplier Device Package | 32-WQFN (5x5) |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 85% |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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