Технические характеристики
NCP81074ADR2G is a single-channel high-speed low-side MOSFET gate driver manufactured by onsemi, featuring strong peak sourcing and sinking drive current to accelerate power MOSFET switching and reduce switching loss in power conversion systems.
Suffix Explanation
- NCP81074A: Core driver model with fixed TTL-compatible input threshold
- DR2G: SOIC-8 surface mount package, tape-and-reel bulk packaging
- Standard reel quantity is 2500 pieces per reel for automated SMT assembly
1. Core Electrical Specifications
Диапазон напряжения питания
- Operating VCC input voltage: 4.5 V ~ 20 V
- Integrated UVLO under-voltage lockout to prevent unstable operation at insufficient supply voltage
Drive Capability & Timing Performance
- Peak source and sink output current: 10 A each
- Delivers 7 A typical current during MOSFET Miller plateau phase to suppress Miller effect
- Split output pins allow independent adjustment of turn-on and turn-off slew rate via external resistors
- Typical propagation delay for turn-on and turn-off: 15 ns
- Typical rise time and fall time with 1.8 nF capacitive load: 4 ns
- Input supports both inverting and non-inverting logic, compatible with TTL and CMOS signal levels
- Typical quiescent supply current under normal operation: 1.2 mA
2. Built-in Protection Features
- Input under-voltage lockout protection to avoid false gate drive signals at low supply voltage
- Latch-up immunity design to resist transient electrical interference
- Over-temperature protection mechanism to protect the driver chip under extreme working conditions
3. Package & Mechanical Information
- Package type: 8-pin SOIC surface mount package
- Overall dimension: 5.0 mm × 4.0 mm × 1.5 mm maximum thickness
- Moisture Sensitivity Level: MSL 1, no mandatory time restriction for reflow soldering after package opening
- Gull-wing lead structure ensures stable soldering on PCB pads
4. Environmental & Compliance Standards
- Operating temperature range: -40 ℃ ~ +140 ℃
- Lead-free and halogen-free construction, fully compliant with RoHS and REACH regulations
- No automotive AEC-Q100 qualification, designed for industrial, telecom and data center non-automotive scenarios
5. Typical Application Scenarios
Secondary side synchronous rectifier drive for isolated power bricks and server power supplies DC-DC buck and boost converter low-side power tube driving circuits Industrial BLDC motor controller and relay drive auxiliary circuits Telecom equipment, network switch and data center distributed power modules High-frequency switching power adapters and battery charger control boards
LXB Semicon supplies original onsemi NCP81074ADR2G 10A high-speed low-side MOSFET gate driver IC
