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FAN3224

ON Semiconductor
Part Number FAN3224
Manufacturer ON Semiconductor
Description Dual 4-A High-Speed Low-Side Gate Drivers
Published Oct 10, 2019
Detailed Description Gate Drivers, High-Speed, Low-Side, Dual 4-A FAN3223/FAN3224/FAN3225 Description The FAN3223−25 family of dual 4 A gate ...
Datasheet PDF File FAN3224 PDF File

FAN3224
FAN3224

Overview
Gate Drivers, High-Speed, Low-Side, Dual 4-A FAN3223/FAN3224/FAN3225 Description The FAN3223−25 family of dual 4 A gate drivers is designed to drive N−channel enhancement−mode MOSFETs in low-side switching applications by providing high peak current pulses during the short switching intervals.
The driver is available with either TTL or CMOS input thresholds.
Internal circuitry provides an under−voltage lockout function by holding the output LOW until the supply voltage is within the operating range.
In addition, the drivers feature matched internal propagation delays between A and B channels for applications requiring dual gate drives with critical timing, such as synchronous rectifiers.
This also enables connecting two drivers in parallel to effectively double the current capability driving a single MOSFET.
The FAN322X drivers incorporate MillerDrive™ 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 switching loss, while providing rail−to−rail voltage swing and reverse current capability.
The FAN3223 offers two inverting drivers and the FAN3224 offers two non−inverting drivers.
Each device has dual independent enable pins that default to ON if not connected.
In the FAN3225, each channel has dual inputs of opposite polarity, which allows configuration as non−inverting or inverting with 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 power MOSFET OFF.
Features • Industry−Standard Pinouts • 4.
5 V to 18 V Operating Range • 5 A Peak Sink/Source at VDD = 12 V • 4.
3 A Sink / 2.
8 A Source at VOUT = 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 Drive...


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