DESCRIPTION

· The FAN3223-25 family consists of dual 4 A gate drivers designed for low-side switching applications, driving N-channel enhancement-mode MOSFETs with high peak current pulses during short switching intervals.
· Available with TTL or CMOS input thresholds, these drivers feature an under-voltage lockout function, ensuring the output remains LOW until the supply voltage is within the operating range.
· Matched internal propagation delays between A and B channels are provided for critical timing applications, such as synchronous rectifiers, and allow parallel connection to double the current capability.
· The drivers incorporate MillerDrive™ architecture, combining bipolar-MOSFET technology to minimize switching loss during the MOSFET turn-on/turn-off process, offering rail-to-rail voltage swing and reverse current capability.
· The FAN3223 offers dual inverting drivers, the FAN3224 offers dual non-inverting drivers, and the FAN3225 allows configuration as non-inverting or inverting with an optional enable function.

FEATURES

· Industry-standard pinouts.
· Operating range from 4.5 V to 18 V.
· 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: FAN3223 (dual inverting + enable), FAN3224 (dual non-inverting + enable), and FAN3225 (dual-inputs).
· Internal resistors turn the driver off if no inputs are connected.
· MillerDrive technology for efficient switching.
· 12 ns / 9 ns typical rise/fall times with a 2.2 nF load.
· Under 20 ns typical propagation delay, matched within 1 ns between channels.
· Double current capability by paralleling channels.
· Available in 8-Lead 3x3 mm MLP and 8-Lead SOIC packages.
· Rated for ambient temperatures from –40 °C to +125 °C.
· Pb-free devices.

APPLICATIONS

· Switch-mode power supplies.
· High-efficiency MOSFET switching.
· Synchronous rectifier circuits.
· DC-to-DC converters.
· Motor control.