IR4428 driver chip
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The IR4428 is a dual low-side driver IC designed for driving N-channel MOSFETs in various applications requiring efficient switching and control of high-current loads. It is commonly used in power management circuits, motor control, and other applications where switching speed and reliability are critical.
Key Features:
- Dual low-side driver channels
- Drives N-channel MOSFETs
- Low input threshold voltage
- Fast switching times for efficient operation
- Built-in protection features (overcurrent protection, thermal shutdown)
- Logic-level input compatible
- High output current capability
- Available in small footprint packages (SOIC, PDIP)
- Number of Channels: 2 (Dual)
- Input Voltage: Logic-level compatible
- Output Voltage: Up to Vcc (supply voltage)
- Output Current: High output current capability
- Operating Temperature Range: -40°C to +125°C
- Package Types: SOIC, PDIP
- Power management circuits
- Motor control
- Switching power supplies
- LED drivers
- Automotive applications
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment