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TC429CPA Datasheet(PDF) 1 Page - Microchip Technology |
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TC429CPA Datasheet(HTML) 1 Page - Microchip Technology |
1 / 14 page 2002 Microchip Technology Inc. DS21416B-page 1 M TC429 Features • High Peak Output Current: 6A • Wide Operating Range: 7V to 18V • High Impedance CMOS Logic Input • Logic Input Threshold Independent of Supply Voltage • Low Supply Current - With Logic 1 Input – 5mA Max - With Logic 0 Input – 0.5mA Max • Output Voltage Swing Within 25mV of Ground or VDD • Short Delay Time: 75nsec Max • High Capacitive Load Drive Capability -tRISE, tFALL = 35nsec Max With CLOAD = 2500pF Applications • Switch-Mode Power Supplies • CCD Drivers • Pulse Transformer Drive • Class D Switching Amplifiers Device Selection Table Package Type General Description The TC429 is a high-speed, single CMOS-level translator and driver. Designed specifically to drive highly capacitive power MOSFET gates, the TC429 features 2.5 Ω output impedance and 6A peak output current drive. A 2500pF capacitive load will be driven 18V in 25nsec. The rapid switching times with large capacitive loads minimize MOSFET transition power loss. A TTL/CMOS input logic level is translated into an output voltage swing that equals the supply and will swing to within 25mV of ground or VDD. Input voltage swing may equal the supply. Logic input current is under 10 µA, making direct interface to CMOS/bipolar switch-mode power supply controllers easy. Input “speed-up” capacitors are not required. The CMOS design minimizes quiescent power supply current. With a logic 1 input, power supply current is 5mA maximum and decreases to 0.5mA for logic 0 inputs. For dual devices, see the TC426/TC427/TC428, TC4426/TC4427/TC4428 and TC4426A/TC4427A/ TC4428A data sheets. For noninverting applications, or applications requiring latch-up protection, see the TC4420/TC4429 data sheet. Typical Application Part Number Package Temp. Range TC429CPA 8-Pin PDIP 0°C to +70°C TC429EPA 8-Pin PDIP -40°C to +85°C TC429MJA 8-Pin CERDIP -55°C to +125°C NC = No internal connection NOTE: Duplicate pins must both be connected for proper operation. 18 27 36 45 TC429 GND GND NC INPUT VDD OUTPUT OUTPUT VDD 8-Pin PDIP/CERDIP Output Input GND Effective Input C = 38pF VDD 300mV 2 4,5 1,8 6,7 TC429 6A Single High-Speed, CMOS Power MOSFET Driver |
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