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TC429 Datasheet(PDF) 1 Page - Microchip Technology |
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TC429 Datasheet(HTML) 1 Page - Microchip Technology |
1 / 18 page 2003 Microchip Technology Inc. DS21416C-page 1 M TC429 Features • High Peak Output Current: 6A • Wide Input Supply Voltage Operating Range: - 7V to 18V • High-Impedance CMOS Logic Input • Logic Input Threshold Independent of Supply Voltage • Low Supply Current: - With Logic ‘1’ Input – 5 mA max. - With Logic ‘0’ Input – 0.5 mA max. • Output Voltage Swing Within 25 mV of Ground or VDD • Short Delay Time: 75 nsec max • Available in the Space-Saving 8-Pin SOIC Package. • High Capacitive Load Drive Capability: -tRISE, tFALL = 35 nsec max with CLOAD = 2500 pF Applications • Switch-Mode Power Supplies • CCD Drivers • Pulse Transformer Drive • Class D Switching Amplifiers Package Types General Description The TC429 is a high-speed, single output, CMOS-level translator and driver. Designed specifically to drive highly capacitive power MOSFET gates, the TC429 features a 2.5 Ω output impedance and 6A peak output current drive. A 2500 pF capacitive load will be driven to 18V in 25 nsec. The rapid switching times with large capacitive loads minimize MOSFET switching power losses. A TTL/CMOS input logic level is translated into an output voltage swing that equals the supply voltage and will swing to within 25 mV of ground or VDD. Input volt- age swing may equal the supply voltage. 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 5 mA maximum and decreases to 0.5 mA for logic ‘0’ inputs. For dual output MOSFET drivers, see the TC426/ TC427/TC428 (DS21415), TC4426/TC4427/TC4428 (DS21422) and TC4426A/TC4427A/TC4428A (DS21423) data sheets. For non-inverting applications, or applications requiring latch-up protection, see the TC4420/TC4429 (DS21419) data sheet. CERDIP/PDIP/SOIC 1 2 3 4 VDD 5 6 7 8 OUTPUT GND VDD INPUT NC GND OUTPUT TC429 NC = No Internal Connection Note: Duplicate pins must both be connected for proper operation. 6A Single High-Speed, CMOS Power MOSFET Driver |
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