--- 產品詳情 ---
Bus voltage (Max) (V) | 24 |
Power switch | MOSFET |
Input VCC (Min) (V) | 6.8 |
Input VCC (Max) (V) | 8 |
Peak output current (A) | 6 |
Rise time (ns) | 10 |
Operating temperature range (C) | -40 to 125 |
Undervoltage lockout (Typ) | 3.5 |
Rating | Catalog |
Number of channels (#) | 2 |
Fall time (ns) | 5 |
Prop delay (ns) | 14 |
Iq (uA) | 350 |
Input threshold | TTL |
Channel input logic | TTL |
Negative voltage handling at HS pin (V) | 0 |
Features | Synchronous Rectification |
Driver configuration | Single |
- Drives Two N-Channel MOSFETs with 14-ns Adaptive Dead Time
- Wide Gate Drive Voltage: 4.5 V Up to 8.8 V With Best Efficiency at 7 V to 8 V
- Wide Power System Train Input Voltage: 3 V Up to 27 V
- Wide Input PWM Signals: 2.0 V up to 13.2-V Amplitude
- Capable to Drive MOSFETs with ≥40-A Current per Phase
- High Frequency Operation: 14-ns Propagation Delay and 10-ns Rise/Fall Time Allow FSW – 2 MHz
- Capable to Propagate <30-ns Input PWM Pulses
- Low-Side Driver Sink On-Resistance (0.4 ?) Prevents dV/dT Related Shoot-Through Current
- 3-State PWM Input for Power Stage Shutdown
- Space Saving Enable (Input) and Power Good (Output) Signals on Same Pin
- Thermal Shutdown
- UVLO Protection
- Internal Bootstrap Diode
- Economical SOIC-8 and Thermally Enhanced 3-mm x 3-mm DFN-8 Packages
- High Performance Replacement for Popular 3-State Input Drivers
The is a high-speed driver for N-channel complimentary driven power MOSFETs with adaptive dead-time control. This driver is optimized for use in variety of high-current one and multi-phase DC-to-DC converters. The is a solution that provides high efficiency, small size and low EMI emissions.
The efficiency is achieved by up to 8.8-V gate drive voltage, 14-ns adaptive dead-time control, 14-ns propagation delays and high-current 2-A source and 4-A sink drive capability. The 0.4-? impedance for the lower gate driver holds the gate of power MOSFET below its threshold and ensures no shoot-through current at high dV/dt phase node transitions. The bootstrap capacitor charged by an internal diode allows use of N-channel MOSFETs in a half-bridge configuration.
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