Spesifikasi teknis
| Function | Step-down (buck) switching regulator, integrated 75 V N-channel MOSFET, emulated current-mode control |
|---|---|
| Input Voltage | 6 – 75 V (absolute maximum 76 V) |
| Output Voltage | Adjustable, from 1,225 V |
| Output Current | 3 A continuous |
| Switch On-Resistance | 170 mΩ typ, 340 mΩ max |
| Feedback Voltage | 1,225 V (1,207 – 1,243 V) |
| Switching Frequency | 50 – 500 kHz, set by one resistor; synchronizable |
| Bias Current | 2 mA typ, 4,5 mA max |
| Shutdown Current | 48 µA typ, 85 µA max |
| Minimum On-Time | 80 ns |
| Soft-Start | Adjustable by external capacitor (10 µA source) |
| Thermal Shutdown | 165 °C, 25 °C hysteresis |
| Protection | Cycle-by-cycle current limit, short circuit, thermal shutdown, undervoltage lockout |
| Operating Temperature | -40 °C – +125 °C (junction) |
| Thermal Resistance | θJA 40 °C/W |
| Package / Case | HTSSOP-20 with exposed pad |
| Mounting Style | Surface Mount |
| Data tambahan dari pemasok | |
| RoHS | Yes |
Keterangan
Spesifikasi di atas mengacu datasheet Texas Instruments LM5576, SNVS447K (November 2025). Informasi RoHS berasal dari pemasok.
Arus bias adalah 2 mA tipikal dan 4,5 mA maksimum. Nilai ini berbeda dari arus keluaran yang dapat disuplai ke beban.
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Sumber: Texas Instruments (ti.com).


