TC4420 High speed Mosfet Driver IC 4420 6A
The TC4420 is a high-speed, high-current MOSFET driver IC designed to provide up to 6A peak output current for quickly charging and discharging the gate capacitance of power MOSFETs and IGBTs. Manufactured by Microchip Technology, this IC ensures fast switching with minimal propagation delay, making it ideal for high-frequency power conversion, motor control, and switching applications.
It features a low output impedance, wide operating voltage range (4.5V to 18V), and high noise immunity, ensuring reliable operation even in electrically noisy environments. The TC4420 is a non-inverting driver, providing high drive strength and clean transitions for enhanced efficiency and reduced switching losses.
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Features:-
- Latch-Up Protected: Will Withstand >1.5A Reverse Output Current
- Logic Input Will Withstand Negative Swing Up To 5V
- ESD Protected: 4 kV
- Matched Rise and Fall Times: – 25 ns (2500 pF load)
- High Peak Output Current: 6A
- Wide Input Supply Voltage Operating Range: – 4.5V to 18V
- High Capacitive Load Drive Capability: 10,000 pF
- Short Delay Time: 55 ns (typ.)
- CMOS/TTL Compatible Input
- Low Supply Current With Logic ‘1’ Input: – 450 µA (typ.)
- Low Output Impedance: 2.5
- Output Voltage Swing to Within 25 mV of Ground or VDD
- Space-Saving 8-Pin SOIC and 8-Pin 6×5 DFN Packages
Specification:-
| Parameter | Specification |
| Supply Voltage | +20V |
| Input Voltage | – 5V to VDD + 0.3V |
| Input Current (VIN > VDD) | 50 mA |
| Package Power Dissipation 5-Pin TO-220 (With Heatsink) | 12.5W |
| Thermal Impedances (To Case) 5-Pin TO-220 | 10°C/W |
Applications
- Switch-mode power supplies (SMPS)
- DC-DC converters
- Class D audio amplifiers
- Motor and solenoid drivers
- Half-bridge and full-bridge circuits
- Pulse transformer drivers
- Uninterruptible power supplies (UPS)
- Power inverters and induction heaters
*Product image for illustration purposes only, actual product may vary.










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