NCV81277MNTXG
AUTOMOTIVE APPROVED VERSION OF NManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi NCV81277MNTXG is a versatile DC-DC controller IC designed for automotive applications. This positive output, step-down buck regulator features four output phases, enabling efficient power conversion for demanding systems. Its controllable switching frequency ranges from 250kHz to 1.2MHz, with a maximum duty cycle of 100%. The device supports I2C and PSI serial interfaces for robust control and monitoring, incorporating features such as current limit, enable, frequency control, phase control, power good, and soft start. Built for reliability in harsh environments, it operates from a 4.5V to 20V supply and is housed in a 40-QFNW (5x5) package with wettable flanks for enhanced solder joint inspection during surface mount assembly. This component is suitable for automotive electronic systems requiring precise and efficient power management.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 20 week(s)Product Status: Not For New DesignsPackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 40-VFQFN Exposed Pad |
| Output Type | PWM Signal |
| Mounting Type | Surface Mount, Wettable Flank |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 105°C |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 1.2MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 20V |
| Supplier Device Package | 40-QFNW (5x5) |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start |
| Serial Interfaces | I2C, PSI |
| Output Phases | 4 |
| Duty Cycle (Max) | 100% |
| Clock Sync | Yes |
| Number of Outputs | 4 |
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