The UCC2720x family of high-frequency N-channel MOSFET drivers include a 120-V bootstrap diode and high-side and low-side drivers with independent inputs for maximum control flexibility. This allows for N-channel MOSFET control in half-bridge, full-bridge, two-switch forward, and active clamp forward converters. The low-side and the high-side gate drivers are independently controlled and matched to 1 ns between the turnon and turnoff of each other.
An on-chip bootstrap diode eliminates the external discrete diodes. Undervoltage lockout is provided for both the high-side and the low-side drivers forcing the outputs low if the drive voltage is below the specified threshold.
Two versions of the UCC27200 are offered. The UCC27200 has high noise immune CMOS input thresholds while the UCC27201 has TTL compatible thresholds.
| Bus voltage (max) (V) | 110 |
| Power switch | MOSFET |
| Input VCC (min) (V) | 8 |
| Input VCC (max) (V) | 17 |
| Peak output current (A) | 3 |
| Operating temperature range (°C) | -40 to 140 |
| Undervoltage lockout (typ) (V) | 8 |
| Rating | Catalog |
| Propagation delay time (µs) | 0.02 |
| Rise time (ns) | 8 |
| Fall time (ns) | 7 |
| Iq (mA) | 0.001 |
| Input threshold | TTL |
| Channel input logic | TTL |
| Negative voltage handling at HS pin (V) | -5 |
| Driver configuration | Noninverting |
| HSOIC (DDA) | 8 | 29.4 mm² 4.9 x 6 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| VSON (DRM) | 8 | 16 mm² 4 x 4 |
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