The TC4426A/4427A/4428A are improved versions of the earlier TC426/427/428 family of buffer/gate 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 5 V of noise spiking (of either polarity) occurs on the ground pin. They can accept, without damage or logic upset, up to 500 mA of reverse current (of either polarity) being forced back into their outputs. All terminals are fully protected against up to 4 kV of electrostatic discharge. As MOSFET gate drivers, the TC4426A/4427A/4428A can easily switch 1,000 pF gate capacitances in under 30 ns, 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.
|Wide Operating Range: 4.5 V to 18 V|
|High Capacitive Load Drive Capability: 1,000 pF in 25 ns|
|Short Delay Times: < 30 ns (Typical)|
|Matched Rise, Fall and Delay Times|
|With Logic ''1'' Input: 1 mA|
|With Logic ''0'' Input: 100 µA|
|Low Output Impedance: 7 Ω (Typical)|
|Latch-Up Protected: Will Withstand > 500 mA Reverse Current|
|Input Will Withstand Negative Inputs Up to -5 V|
|ESD Protected: 4 kV|
|Pinouts Same as TC426/27/28|
|MOSFET Driver Type||Low Side|
|Maximum Supply Voltage (V)||18|
|Peak Source Output (A)||1.5|
|Peak Sink Output (A)||1.5|
|Source Resistance (Ω)||7|
|Sink Resistance (Ω)||7|
|Propagation Delay tD1 (ns)||30|
|Propagation Delay tD2 (ns)||30|
|Rise Time (tR, ns)||25|
|Fall Time (tF, ns)||25|
|Capacitive Load Drive||1,000 pF in 25 ns|
|Pins | Packaging||8 | SOIC|
|Temp Range||0C to +70C|
|Packing Media||Tape and reel (3300)|
|AN786 - Considerations for Driving Power MOSFETs in High-Current, Switch Mode Regulators|
|AN797 - System Design Practice (TC4426/7/8, TC4426A/7A/8A)|
|AN763 - Latch-Up Protection for MOSFET Drivers|
|AN898 - Determining MOSFET Driver Needs for|
|AN799 - Matching MOSFET Drivers to MOSFETs|
|AN1256 - Microchip?s Power MOSFET Driver Simulation Models|
|01327A - Avoiding MOSFET Driver Overstress|
Board Design Files
|SPICE Models for TC4426A-27A-28A MOSFET Driver Devices|
|Quick Guide to Microchip Development Tools|
|Analog & Interface Guide (Volume 2)|
|Analog and Interface Product Selector Guide|
|Automotive Recommended Product Selector Guide|
|Device Weight (g)||0.078|
|Shipping Weight (kg)||0.230303|
|Package Width or Size||.150In(3.90mm)|
|Soldering Composition||Matte Tin|
|MICROCHIP - TC4427ACOA713 - MOSFET Driver, Low Side, 4.5V to 18V Supply, 1.5A Out, 30ns Delay, NSOIC-8 | Elfaro|
|MOSFET DRIVER, LOW SIDE, 1.5A, NSOIC-8 | Farnell|
|Ic,dual Mosfet Driver,cmos,sop,8Pin,plastic Rohs Compliant: Yes |Microchip TC4427ACOA713 | Newark Electronics|
|MOSFET DRVR 1.5A 2-OUT Lo Side Non-Inv 8-Pin SOIC N T/R | Avnet Europe|
|1.5A Dual MOSFET Drvr td Match | Microchip Technology|
|TC4427A Series 1.5 A 18 Vmax 7 Ohm Dual Non Inverting MOSFET Driver - SOIC-8 | Future Electronics|
|1.5A Dual td Match | Mouser Electronics|
|1.5A Dual MOSFET Drvr, td Match8 SOIC 3.90mm(.150in) T/R | RS Americas|
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