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FAN3224TMPX Datasheet(PDF) 1 Page - ON Semiconductor |
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FAN3224TMPX Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 29 page © 2016 Semiconductor Components Industries, LLC Publication Order Number December-2017, Rev. 2 FAN3224/D FAN3223 / FAN3224 / FAN3225 Dual 4-A High-Speed, Low-Side Gate Drivers Features Industry-Standard Pinouts 4.5-V to 18-V Operating Range 5-A Peak Sink/Source at V DD = 12 V 4.3-A Sink / 2.8-A Source at V OUT = 6 V Choice of TTL or CMOS Input Thresholds Three Versions of Dual Independent Drivers: - Dual Inverting + Enable (FAN3223) - Dual Non-Inverting + Enable (FAN3224) - Dual-Inputs (FAN3225) Internal Resistors Turn Driver Off If No Inputs MillerDrive™ Technology 12-ns / 9-ns Typical Rise/Fall Times (2.2-nF Load) Under 20-ns Typical Propagation Delay Matched w ithin 1 ns to the Other Channel Double Current Capability by Paralleling Channels 8-Lead 3x3 mm MLP or 8-Lead SOIC Package Rated from –40°C to +125°C Ambient Automotive Qualified to AEC-Q100 (F085 Version) Applications Sw itch-Mode Pow er Supplies High-Efficiency MOSFET Sw itching Synchronous Rectifier Circuits DC-to-DC Converters Motor Control Automotive-Qualified Systems (F085 version) Description The FA N3223-25 family of dual 4 A gate dr ivers is designed to drive N-channel enhancement- mode MOSFETs in low -side sw itching applications by providing high peak current pulses dur ing the short sw itching intervals. The driver is available w ith either TTL or CMOS input thresholds. Internal circuitry provides an under-voltage lockout function by holding the output LOW until the supply voltage is w ithin the operating range. In addition, the drivers feature matched internal propagation delays betw een A and B channels for applications requiring dual gate drives w ith critical timing, such as synchronous rectifiers. This also enables connecting tw o drivers in parallel to effectively double the current capability driving a single MOSFET. The FA N322X drivers incorporate Miller Drive™ architecture for the final output stage. This bipolar- MOSFET combination provides high current during the Miller plateau stage of the MOSFET turn-on / turn-off process to minimize sw itching loss, w hile providing rail- to-rail voltage sw ing and reverse current capability. The FAN3223 offers tw o inverting drivers and the FA N3224 offers tw o non-inverting drivers. Each device has dual independent enable pins that default to ON if not connected. In the FA N3225, each channel has dual inputs of opposite polar ity, w hich allow s configuration as non-inverting or inverting w ith an optional enable function using the second input. If one or both inputs are left unconnected, internal resistors bias the inputs such that the output is pulled LOW to hold the pow er MOSFET OFF. 1 ENA INA GND ENB VDD INB OUTA OUTB 2 3 4 8 6 5 A 7 B 1 ENB VDD OUTA OUTB 2 3 4 8 6 5 7 A B ENA INA GND INB 1 INA+ VDD OUTA OUTB 2 3 4 8 6 5 7 INB+ GND INB - INA - + - A + - B FAN3223 FAN3224 FAN3225 Figure 1. Pin Configurations |
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