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TC4427AEPA Datasheet(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC4427AEPA Datasheet(HTML) 1 Page - TelCom Semiconductor, Inc |
1 / 5 page 4-251 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS TC4426A TC4427A TC4428A GENERAL DESCRIPTION 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 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 drivers, the TC4426A/4427A/4428A can easily switch 1000 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. 2 mA OUTPUT INPUT GND EFFECTIVE INPUT C = 12 pF 300 mV INVERTING OUTPUTS NONINVERTING OUTPUTS VDD TC4426A/TC4427A/TC4428A 4.7V NOTES: 1. TC4426A has 2 inverting drivers; TC4427A has 2 noninverting drivers. 2. TC4428A has one inverting and one noninverting driver. 3. Ground any unused driver input. PIN CONFIGURATIONS TC4426A 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B VDD NC = NO INTERNAL CONNECTION TC4427A 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B TC4428A 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B 2,4 7,5 INVERTING 2,4 7,5 NONINVERTING VDD 2 4 DIFFERENTIAL 7 5 VDD NOTE: SOIC pinout is identical to DIP. FEATURES s High Peak Output Current ............................... 1.5A s Wide Operating Range .......................... 4.5V to 18V s High Capacitive Load Drive Capability ................. 1000 pF in 25 nsec Typ s Short Delay Time ................................. 30 nsec Typ s Matched Rise, Fall and Delay Times s Low Supply Current — With Logic “1” Input ............................ 1 mA Typ — With Logic “0” Input ......................... 100 µA Typ s Low Output Impedance ................................ 7 Ω Typ s Latch-Up Protected: Will Withstand 0.5A Reverse Current s Input Will Withstand Negative Inputs Up to 5V s ESD Protected .................................................... 4 kV s Pinout Same as TC426/TC427/TC428 ORDERING INFORMATION Part No. Package Temp. Range TC4426ACOA 8-Pin SOIC 0 °C to +70°C TC4426ACPA 8-Pin Plastic DIP 0 °C to +70°C TC4426AEOA 8-Pin SOIC – 40 °C to +85°C TC4426AEPA 8-Pin Plastic DIP – 40 °C to +85°C TC4426AMJA 8-Pin CerDIP – 55 °C to +125°C TC4427ACOA 8-Pin SOIC 0 °C to +70°C TC4427ACPA 8-Pin Plastic DIP 0 °C to +70°C TC4427AEOA 8-Pin SOIC – 40 °C to +85°C TC4427AEPA 8-Pin Plastic DIP – 40 °C to +85°C TC4427AMJA 8-Pin CerDIP – 55 °C to +125°C TC4428ACOA 8-Pin SOIC 0 °C to +70°C TC4428ACPA 8-Pin Plastic DIP 0 °C to +70°C TC4428AEOA 8-Pin SOIC – 40 °C to +85°C TC4428AEPA 8-Pin Plastic DIP – 40 °C to +85°C TC4428AMJA 8-Pin CerDIP – 55 °C to +125°C TC4426A/7A/8A-9 10/21/96 FUNCTIONAL BLOCK DIAGRAM |
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