TC4428 optocoupler
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Description:
The TC4428 is a dual high-speed power MOSFET driver designed to drive large gate capacitances with low propagation delay and high peak output current. It is typically used in applications requiring high-speed switching, such as power supplies, motor controllers, and other high-power switching applications. The TC4428 provides both inverting and non-inverting outputs, making it versatile for various circuit configurations.
Key Features:
- Dual MOSFET driver
- High peak output current: 1.5 A
- Low propagation delay: 30 ns (typical)
- Wide input supply voltage range: 4.5V to 18V
- Low output impedance: 7Ω
- Inverting and non-inverting outputs
- Low input current: 1 µA (typical)
- CMOS/TTL compatible inputs
- Latch-up protected: Will withstand >500 mA reverse current
- Low cross-conduction current
- Available in 8-pin PDIP, SOIC, and 16-pin SOIC (wide) packages
- Package Type: 8-pin PDIP/SOIC or 16-pin SOIC (wide)
- Supply Voltage (VDD): 4.5V to 18V
- Peak Output Current (IOUT): 1.5 A
- Output Impedance (ROUT): 7Ω (typical)
- Propagation Delay (tPD): 30 ns (typical)
- Rise Time (tR): 25 ns (typical)
- Fall Time (tF): 25 ns (typical)
- Input Voltage (VIN): 0V to VDD
- Input Current (IIN): 1 µA (typical)
- Operating Temperature Range (TOPR): -40°C to +85°C
- Storage Temperature Range (TSTG): -65°C to +150°C
- Soldering Temperature (TSOL): 260°C for 10 seconds
- Switching Power Supplies: Drives MOSFETs in high-frequency power supplies.
- Motor Controllers: Used in motor drive circuits for precise control.
- DC-DC Converters: Facilitates efficient power conversion.
- Pulse Transformer Driver: Provides fast switching for pulse transformers.
- Line Drivers: Ensures robust signal transmission over long distances.
- Audio Amplifiers: Drives output transistors in high-power audio amplifiers.
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