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TC4404CPA Datasheet(PDF) 1 Page - Microchip Technology |
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TC4404CPA Datasheet(HTML) 1 Page - Microchip Technology |
1 / 18 page 2002-2012 Microchip Technology Inc. DS21418D-page 1 TC4404/TC4405 Features: • Independently Programmable Rise and Fall Times • Low Output Impedance – 7 Typ. • High Speed tR, tF – <30 nsec with 1000 pF Load • Short Delay Times – <30 nsec • Wide Operating Range: - 4.5V to 18V • Latch-Up Protected: Will Withstand > 500 mA Reverse Current (Either Polarity) • Input Withstands Negative Swings Up to -5V Applications: • Motor Controls • Driving Bipolar Transistors • Driver for Non-overlapping Totem Poles • Reach-Up/Reach-Down Driver Device Selection Table General Description: The TC4404/TC4405 are CMOS buffer-drivers constructed with complementary MOS outputs, where the drains of the totem-pole output have been left separated so that individual connections can be made to the pull-up and pull-down sections of the output. This allows the insertion of drain-current-limiting resistors in the pull-up and/or pull-down sections, allowing the user to define the rates of rise and fall for a capacitive load; or a reduced output swing, if driving a resistive load, or to limit base current, when driving a bipolar transistor. Minimum rise and fall times, with no resistors, will be less than 30 nsec for a 1000 pF load. For driving MOSFETs in motor-control applications, where slow-ON/fast-OFF operation is desired, these devices are superior to the previously used technique of adding a diode-resistor combination between the driver output and the MOSFET, because they allow accurate control of turn-ON, while maintaining fast turn- OFF and maximum noise immunity for an OFF device. When used to drive bipolar transistors, these drivers maintain the high speeds common to other Microchip drivers. They allow insertion of a base current-limiting resistor, while providing a separate half-output for fast turn-OFF. By proper positioning of the resistor, either npn or pnp transistors can be driven. For driving many loads in low-power regimes, these drivers, because they eliminate shoot-through currents in the output stage, require significantly less power at higher frequencies, and can be helpful in meeting low-power budgets. Package Type Part Number Package Temp. Range TC4404COA 8-Pin SOIC 0°C to +70°C TC4404CPA 8-Pin PDIP 0°C to +70°C TC4404EOA 8-Pin SOIC -40°C to +85°C TC4404EPA 8-Pin PDIP -40°C to +85°C TC4404MJA 8-Pin CERDIP -55°C to +125°C TC4405COA 8-Pin SOIC 0°C to +70°C TC4405CPA 8-Pin PDIP 0°C to +70°C TC4405EOA 8-Pin SOIC -40°C to +85°C TC4405EPA 8-Pin PDIP -40°C to +85°C TC4405MJA 8-Pin CERDIP -55°C to +125°C 18 27 36 45 TC4405 B BOTTOM GND IN B IN A VDD B TOP A BOTTOM A TOP 18 27 36 45 TC4405 B BOTTOM GND IN B IN A VDD B TOP A BOTTOM A TOP 18 27 36 45 TC4404 B BOTTOM GND IN B IN A VDD B TOP A BOTTOM A TOP 18 27 36 45 TC4404 B BOTTOM GND IN B IN A VDD B TOP A BOTTOM A TOP 8-Pin PDIP/SOIC/CERDIP 1.5A Dual Open-Drain MOSFET Drivers |
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