onsemi NCV51511
NCV51511 - 100 V High-Frequency, High Side and Low Side Gate Driver
The NCV51511 is high side and low side gate-drive IC designed for high voltage, high-speed, driving MOSFETs operating up to 80 V. The NCV51511 integrates a driver IC and a bootstrap diode. The driver IC features low delay time and matched PWM input propagation delays, which further enhance the performance of the part. The high speed dual gate driver are designed to drive both the high-side and low-side of N-Channel MOSFETs in a half bridge or synchronous buck configuration. The floating high-side driver is capable of operating with supply voltages of up to 80 V. In the dual gate driver, the high side and low side each have independent inputs which allow maximum flexibility of input control signals in the application. The PWM input signal (high level) can be 3.3 V, 5 V or up to VDD logic input to cover all possible applications.
Features
- Integrated Bootstrap Diode for High Side Gate Drive
- Bootstrap Supply Voltage Range up to 100 V
- 3 A Source, 6 A Sink Output Current Capability
- Drives 1nF Load with Typical Rise/Fall Times of 6 ns/4 ns
- 2 ns Delay Matching (Typical)
- AEC Qual up to 150°C Tj
- HS robustness against negative transients
Applications end products
- Half-Bridge and Full-Bridge Converters
- Two-Switch Forward Converters
- Synchronous-Buck Converters
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