The TPS2836 and TPS2837 are MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using switching controllers that do not have MOSFET drivers. The drivers are designed to deliver minimum 2-A peak currents into large capacitive loads. The high-side driver can be configured as ground-reference or as floating-bootstrap. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions and provides high efficiency for the buck regulator.
The TPS2836 has a noninverting input, while the TPS2837 has an inverting input. These drivers, available in 8-terminal SOIC packages, operate over a junction temperature range of –40°C to 125°C.
| Bus voltage (max) (V) | 28 |
| Power switch | MOSFET |
| Input VCC (min) (V) | 4.5 |
| Input VCC (max) (V) | 15 |
| Peak output current (A) | 2.4 |
| Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog |
| Propagation delay time (µs) | 0.07 |
| Rise time (ns) | 50 |
| Fall time (ns) | 40 |
| Iq (mA) | 3 |
| Input threshold | TTL |
| Channel input logic | TTL |
| Negative voltage handling at HS pin (V) | 0 |
| Features | Dead time control, Synchronous Rectification |
| Driver configuration | Noninverting |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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