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TC1427 数据表(PDF) 1 Page - TelCom Semiconductor, Inc |
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TC1427 数据表(HTML) 1 Page - TelCom Semiconductor, Inc |
1 / 6 page 4-207 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 TC1426 TC1427 TC1428 GENERAL DESCRIPTION The TC1426/27/28 are a family of 1.2A dual high- speed drivers. CMOS fabrication is used for low power consump- tion and high efficiency. These devices are fabricated using an epitaxial layer to effectively short out the intrinsic parasitic transistor respon- sible for CMOS latch-up. They incorporate a number of other design and process refinements to increase their long-term reliability. The TC1426 is compatible with the bipolar DS0026, but only draws 1/5 of the quiescent current. The TC1426/27/28 are also compatible with the TC426/27/28, but with 1.2A peak output current rather than the 1.5A of the TC426/27/28 devices. Other compatible drivers are the TC4426/27/28 and the TC4426A/27A/28A. The TC4426/27/28 have the added feature that the inputs can withstand negative voltage up to 5V with diode protection circuits. The TC4426A/27A/28A have matched input to output leading edge and falling edge delays, tD1 and tD2, for processing short duration pulses in the 25 nanoseconds range. All of the above drivers are pin compatible. The high-input impedance TC1426/27/28 drivers are CMOS/TTL input-compatible, do not require the speed-up needed by the bipolar devices, and can be directly driven by most PWM ICs. This family of devices is available in inverting and non- inverting versions. Specifications have been optimized to achieve low-cost and high-performance devices, well-suited for the high-volume manufacturer. FEATURES s Low Cost s Latch-Up Protected: Will Withstand 500 mA Reverse Output Current s ESD Protected ................................................... ±2 kV s High Peak Output Current ........................ 1.2A Peak s High Capacitive Load Drive Capability ...................................... 1000pF in 38nsec s Wide Operating Range ........................... 4.5V to 16V s Low Delay Time ...................................... 75nsec Max s Logic Input Threshold Independent of Supply Voltage s Output Voltage Swing to Within 25mV of Ground or VDD s Low Output Impedance ........................................ 8 Ω APPLICATIONS s Power MOSFET Drivers s Switched Mode Power Supplies s Pulse Transformer Drive s Small Motor Controls s Print Head Drive 1.2A DUAL HIGH-SPEED MOSFET DRIVERS ORDERING INFORMATION Part No. Package Temp. Range TC1426COA 8-Pin SOIC 0 °C to +70°C TC1426CPA 8-Pin Plastic DIP 0 °C to +70°C TC1427COA 8-Pin SOIC 0 °C to +70°C TC1427CPA 8-Pin Plastic DIP 0 °C to +70°C TC1428COA 8-Pin SOIC 0 °C to +70°C TC1428CPA 8-Pin Plastic DIP 0 °C to +70°C TC1426CPA 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B VDD NC = NO CONNECTION 2, 4 7, 5 INVERTING TC1427CPA 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B 2, 4 7, 5 NON-INVERTING TC1428CPA 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B 27 45 VDD VDD TC1426COA 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B VDD NC = NO CONNECTION 2, 4 7, 5 INVERTING TC1427COA 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B 2, 4 7, 5 NON-INVERTING TC1428COA 1 2 3 4 NC 5 6 7 8 OUT A OUT B NC IN A GND IN B 27 45 VDD VDD PIN CONFIGURATIONS INPUT V + 2.5mA 500 µA NOTE: TC1428 has one inverting and one noninverting driver. Ground any unused driver input. INVERTING OUTPUT NONINVERTING OUTPUT (TC1426) (TC1427) GND TC1426 INVERTING TC1427 NONINVERTING TC1428 INVERTING/NONINVERTING FUNCTIONAL BLOCK DIAGRAM TC1426/7/8-8 10/11/96 |
类似零件编号 - TC1427 |
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类似说明 - TC1427 |
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