TPS40074RHLT
IC REG CTRLR BUCK 20QFNManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments TPS40074RHLT is a highly efficient, synchronous buck controller designed for step-down DC-DC conversion. This device operates with a wide input voltage range of 4.5V to 28V and supports switching frequencies up to 1MHz, allowing for compact inductor and capacitor selection. The TPS40074RHLT features a transistor driver output for external MOSFETs, enabling flexible power stage design. Key control features include adjustable current limit, enable, frequency control, power good indication, and soft-start for controlled power-up sequences. The controller supports a maximum duty cycle of 95%. Packaged in a 20-VFQFN exposed pad, this component is suitable for surface-mount applications. Its synchronous rectification capability enhances overall efficiency. This versatile controller finds application in power supplies for computing, industrial automation, and consumer electronics.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 20-VFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | Up to 1MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Supplier Device Package | 20-VQFN (3.5x4.5) |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 95% |
| Clock Sync | Yes |
| Number of Outputs | 1 |
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