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MIC4468YN Datasheet(PDF) 1 Page - Microchip Technology |
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MIC4468YN Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 18 page  2022 Microchip Technology Inc. and its subsidiaries DS20006614A-page 1 MIC4467/8/9 Features • Reliable, Low-Power Bipolar/CMOS/DMOS Construction • Latch-Up Protected to >500 mA Reverse Current • Logic Input withstands Swing to –5V • High 3A Peak Output Current • Wide 4.5V to 18V Operating Range • Symmetrical Rise and Fall Times • Short <40 ns Typical Delay Time • TTL Logic Input Independent of Supply Voltage • Low Equivalent 6 pF Input Capacitance • Low 5Ω Typical Output Impedance • Output Voltage Swings within 25 mV of Ground or VS. Applications • General-Purpose CMOS Logic Buffer • Driving All 4 MOSFETs in an H-Bridge • Direct Small Motor Driver • Relay or Peripheral Drivers • Dual Differential Output Power Drivers • CCD Driver • Pin Switching Network Driver General Description The MIC4467/8/9 family of four output CMOS buffer/drivers is an expansion from the earlier single- and dual-output drivers, to which they are functionally closely related. Because package pin count permitted it, each driver has been equipped with a dual input logic gate for added flexibility. Placing four high-power drivers in a single package also improves system reliability and reduces total system cost. In some applications, one of these drivers can replace not only two packages of single-input drivers, but some of the associated logic as well. Although primarily intended for driving power MOSFETs, and similar highly capacitive loads, these drivers are equally well suited to driving any other load (capacitive, resistive, or inductive), which requires high efficiency, low-impedance driver capable of high peak currents, rail-to-rail voltage swings, and fast switching times. For example, heavily loaded clock lines, coaxial cables, and piezoelectric transducers can all be driven easily with MIC446x series drivers. The only limitation on loading is that total power dissipation in the IC must be kept within the power dissipation limits of the package. The MIC446x series drivers are built using a BCD process. They will not latch under any conditions within their power and voltage ratings. They are not subject to damage when up to 5V of noise spiking (either polarity) occurs on the ground line. They can accept up to half an amp of inductive kickback current (either polarity) into their outputs without damage or logic upset. Quad 1.2A Peak Low-Side MOSFET Drivers |
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