| Parameter | Specification |
|---|---|
| Device Type | Buck Converter (Step Down DC-DC Converter) |
| Manufacturer | Various (e.g., Texas Instruments, ON Semiconductor) |
| Package Type | TO-263, TO-220, DIP-8, and others |
| Input Voltage Range (Vin) | 4.5V to 40V |
| Output Voltage Range (Vout) | Adjustable: 1.23V to 37V |
| Maximum Output Current | 3A (Continuous) |
| Switching Frequency | 150 kHz |
| Efficiency | Up to 90% at full load |
| Quiescent Current | 75 µA (typical) |
| Load Regulation | ±1.0% |
| Line Regulation | ±0.2% |
| Thermal Shutdown | Yes |
| Overcurrent Protection | Yes |
| Soft Start | Yes |
| Voltage Reference | 1.23V |
| Compensation | Internal |
| Operating Temperature Range | -40°C to +125°C |
| Ripple Voltage | 30mV (typical at 3A) |
| Inductor Selection | 33 µH to 100 µH (recommended) |
| Capacitor Selection | Input: ≥ 100 µF, Output: ≥ 100 µF (ceramic) |
| Protection Features | Overvoltage, Short circuit, Thermal shutdown |
| Applications | Power supplies, Battery chargers, LED drivers, Automotive applications |
| Footprint (mm) | Varies by package, e.g., TO-220: 15.24 x 10.16 |
| Typical Application Circuit | Buck converter schematic with feedback loop |
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