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TC4405 数据表(PDF) 1 Page - Microchip Technology |
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TC4405 数据表(HTML) 1 Page - Microchip Technology |
1 / 22 page 2002-2016 Microchip Technology Inc. DS20001418E-page 1 TC4404/TC4405 Features • Independently Programmable Rise and Fall Times • Low Output Impedance: 7 Typical • High Speed tR, tF: <30 ns with 1000 pF Load • Short Delay Times: <30 ns • Wide Operating Range: 4.5V to 18V • Latch-Up Protected: withstands > 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 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. It also enables a reduced output swing, if driving a resistive load, or limiting base current when driving a bipolar transistor. Minimum rise and fall times, with no resistors, will be less than 30 ns 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 require significantly less power at higher frequencies and can be helpful in meeting low-power budgets as they eliminate shoot-through currents in the output stage. Package Type TABLE 1: DEVICE SELECTION TABLE Part Number Package Temp. Range TC4404COA 8-Lead SOIC 0°C to +70°C TC4404CPA 8-Lead PDIP 0°C to +70°C TC4404EOA 8-Lead SOIC -40°C to +85°C TC4404EPA 8-Lead PDIP -40°C to +85°C TC4405COA 8-Lead SOIC 0°C to +70°C TC4405CPA 8-Lead PDIP 0°C to +70°C TC4405EOA 8-Lead SOIC -40°C to +85°C TC4405EPA 8-Lead PDIP -40°C to +85°C 45 B BOTTOM GND 36 B TOP IN B 2 7 A BOTTOM IN A 18 VDD A TOP 45 B BOTTOM GND 36 B TOP IN B 2 7 A BOTTOM IN A 18 VDD A TOP TC4405 8-Lead PDIP/SOIC TC4404 1.5A Dual Open-Drain MOSFET Drivers |
类似零件编号 - TC4405 |
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类似说明 - TC4405 |
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