TPS54317RHFT
IC REG BUCK ADJUSTABLE 3A 24VQFN
Pmic Voltage Regulators Dc Dc Switching Regulators
24-VFQFN Exposed Pad
SWIFT™
Active
$6.58 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | TPS54317RHFT |
| Package / Case | 24-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 6V |
| Voltage - Output | 0.891V |
| Current - Output | 3A |
| Frequency - Switching | 350kHz, 550kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 24-VQFN (5x4) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
TPS54317RHFT by Texas Instruments is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 6V, output 0.891V. The 24-VFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Output Type | Adjustable |
| Current - Output | 3A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 350kHz, 550kHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 6V |
| Voltage - Input (Min) | 3V |
| Voltage - Output (Max) | 3.3V |
| Voltage - Output (Min/Fixed) | 0.891V |
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