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TC4420/TC4429
TC4420VOA713 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:
- 450μA (typ.)
• Low Output Impedance: 2.5Ω
• Output Voltage Swing to Within 25 mV of Ground
or VDD
• Space-Saving 8-Pin SOIC and 8-Pin 6x5 DFN Packages

TC4420VOA713 Applications
• Switch-Mode Power Supplies
• Motor Controls
• Pulse Transformer Driver
• Class D Switching Amplifiers
General Description
The TC4420VOA713 are 6A (peak), single-output
MOSFET drivers. The TC4429 is an inverting driver
(pin-compatible with the TC429), while the TC4420 is a
non-inverting driver. These drivers are fabricated in
CMOS for lower power and more efficient operation
versus bipolar drivers.
Both devices have TTL/CMOS compatible inputs that
can be driven as high as VDD + 0.3V or as low as –5V
without upset or damage to the device. This eliminates
the need for external level-shifting circuitry and its
associated cost and size. The output swing is rail-to-rail,
ensuring better drive voltage margin, especially during
power-up/power-down sequencing. Propagational
delay time is only 55 ns (typ.) and the output rise and fall
times are only 25 ns (typ.) into 2500 pF across the
usable power supply range.
Unlike other drivers, the TC4420/TC4429 are virtually
latch-up proof. They replace three or more discrete
components, saving PCB area, parts and improving
overall system reliability.