TPS40091RHDR
IC REG CTRLR BUCK 28VQFNManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments TPS40091RHDR is a versatile 4-phase synchronous buck (step-down) DC-DC controller. This device features a wide input voltage range of 4.5V to 15V and supports switching frequencies from 100kHz to 1.2MHz, configurable for optimal efficiency and component selection. The controller integrates essential control features including current limit, enable, frequency control, power good signaling, and soft start. It is designed for efficient power delivery in demanding applications, commonly found in computing, networking, and industrial power systems. The TPS40091RHDR is supplied in a 28-VQFN (5x5) exposed pad package, suitable for surface mount assembly. The output configuration is positive, and the device offers four output phases, enabling high current delivery and improved thermal performance.
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 | 28-VFQFN Exposed Pad |
| Output Type | PWM Signal |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 100kHz ~ 1.2MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 15V |
| Supplier Device Package | 28-VQFN (5x5) |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Serial Interfaces | - |
| Output Phases | 4 |
| Duty Cycle (Max) | 87.5% |
| Clock Sync | Yes |
| Number of Outputs | 4 |