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FAN3224TU_F085: Low-Side Gate Drivers, Dual 4-A High-Speed

Datasheet: Gate Drivers, High-Speed, Low-Side, Dual 4-A
Rev. 1 (1233kB)
Product Overview
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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 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 within 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
  • Switch-Mode Power Supplies
  • High-Efficiency MOSFET Switching
  • Synchronous Rectifier Circuits
  • DC-to-DC Converters
  • Motor Control
  • Automotive-Qualified Systems (F085 version)
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FAN3224TUMX-F085 Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
FAN3224TU_F085 SOIC-8 751EB 3 260 Tape and Reel 2500 $1.5226
Market Leadtime (weeks) : 4 to 8

Product
Description
Pricing ($/Unit)
Compliance
Status
Power Switch
Number of Outputs
Topology
Isolation Type
Vin Max (V)
VCC Max (V)
Drive Source/Sink Typ (mA)
Rise Time (ns)
Fall Time (ns)
tp Max (ns)
Package Type
FAN3224TUMX-F085  
 $1.5226 
Pb
A
H
P
 Active   
MOSFET
2
Dual
Non-Isolated
-
18
5000
12
9
34
SOIC-8
Case Outlines
751EB   
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