具有 5V UVLO 和负电压处理能力的 4A、120V 半桥栅极驱动器
| Bus voltage (Max) (V) | 120 |
| Power switch | MOSFET |
| Input VCC (Min) (V) | 5 |
| Input VCC (Max) (V) | 17 |
| Peak output current (A) | 4 |
| Rise time (ns) | 7.2 |
| Operating temperature range (C) | -40 to 140 |
| Undervoltage lockout (Typ) | 5 |
| Rating | Catalog |
| Number of channels (#) | 2 |
| Fall time (ns) | 5.5 |
| Prop delay (ns) | 20 |
| Iq (uA) | 1 |
| Input threshold | TTL |
| Channel input logic | TTL |
| Negative voltage handling at HS pin (V) | -20 |
| Driver configuration | Dual inputs |
- 4-A Sink, 4-A Source Output Currents
- Maximum Boot Voltage 120-V DC
- 7-V to 17-V VDD Operating Range
- 20-V ABS Maximum VDD Operating Range
- 5-V Turn-off Under Voltage Lockout (UVLO)
- Input Pins Can Tolerate –10 V to +20 V
- 7.2-ns Rise and 5.5-ns Fall Time (1000-pF Load)
- 20-ns Typical Propagation Delay
- 4-ns Typical Delay Matching
- Specified from –40°C to +140°C
The UCC27212 device has a peak output current of 4-A source and 4-A sink, which allows for the ability to drive large power MOSFETs. The device features an on-chip 120-V rated bootstrap diode eliminating the need for external discrete diodes. The input structure can directly handle –10 V, which increases robustness and is also independent of supply voltage. The UCC27212 offers 5 V UVLO which helps lower power losses and increased input hysteresis that allows for interface to analog or digital PWM controllers with enhanced noise immunity. The switching node of the UCC27212 (HS pin) can handle –18-V maximum, which allows the high-side channel to be protected from inherent negative voltages.
