TC4426A/27A/28A Data Sheet

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  TC4426A/27A/28A Data Sheet


The TC4426A/4427A/4428A are improved versions of the earlier TC426/427/428 family of buffer/drivers (with which they are pin compatible). They will not latch up under any conditions within their power and voltage ratings. They are not subject to damage when up to 5V of noise spiking (of either polarity) occurs on the ground pin. They can accept, without damage or logic upset, up to 500mA of reverse current (of either polarity) being forced back into their outputs. All terminals are fully protected against up to 4kV of electrostatic discharge. As MOSFET drivers, the TC4426A/4427A/4428A can easily switch 1000pF gate capacitances in under 30nsec, and provide low enough impedances in both the ON and OFF states to ensure the MOSFET's intended state will not be affected, even by large transients.

Parameter Name  Value
Power  Dual  
Peak Output Current (mA)  1500
Output Resistance (RH/RL)(Max. @ 25°C)  9/9
Max. Supply Voltage (V)  18
Input/Output Delay (td1, td2)1 (ns)  35/35
Configuration  Inverting  
Description  Low-Side MOSFET Drivers, 1.5A Peak Output Current
Operating Temp. Range (°C)  -40 to 125

     Features
- Wide Operating Range: 4.5V to 18V
- High Capacitive Load Drive Capability: 1000pF in 25nsec
- Short Delay Times: <30nsec Typ.
- Matched Rise, Fall and Delay Times
- Low Supply Current
     With Logic ""1"Input...............1mA
     With Logic ""0"Input...............100
µA
- Low Output Impedance: 7Ω Typ.
- Latch-Up Protected: Will Withstand >0.5A  Reverse Current
- Input Will Withstand Negative Inputs Up to 5V
- ESD Protected: 4kV
- Pinouts Same as TC426/27/28


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