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LM25117PSQE/NOPB, Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-WQFN (4x4)
Integrated Circuits (ICs)\Power Management (PMIC)LM25117 Synchronous Buck Controllers Texas Instruments LM25117 Synchronous Buck Controllers are intended for step-down regulator applications from a high voltage or widely varying input supply. The control method is based upon current mode control utilizing an emulated current ramp. TI LM25117 Synchronous Buck Controllers drive external high-side and low-side NMOS power switches with adaptive dead-time control. A user-selectable diode emulation mode enables discontinuous mode operation for improved efficiency at light load conditions. Efficiency is further improved by a high voltage bias regulator that allows external bias supply. LM25117 provides a unique analog telemetry feature that offers average output current information. Additional features include thermal shutdown, frequency synchronization, hiccup mode current limit, and adjustable line undervoltage lockout.
| Brand | Texas Instruments |
| Development Kit | LM25117EVAL/NOPB |
| Duty Cycle - Max | 50% |
| Factory Pack Quantity | 250 |
| Input Voltage | 4.5 V to 42 V |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +125 C |
| Minimum Operating Temperature | -40 C |
| Mounting Style | SMD/SMT |
| Number of Outputs | 1 Output |
| Operating Supply Current | 4.8 mA |
| Output Current | 20 A |
| Output Voltage | 800 mV to 41 V |
| Package/Case | WQFN-24 |
| Product Category | Switching Controllers |
| Product Type | Switching Controllers |
| Subcategory | PMIC-Power Management ICs |
| Switching Frequency | 50 kHz to 750 kHz |
| Topology | Buck |
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