April 2013
FAN3216 / FAN3217
Dual 2-A, High-Speed, Low-Side Gate Drivers
Features
? Industry-Standard Pinouts
? 4.5-V to 18-V Operating Range
? 3-A Peak Sink/Source at V DD = 12 V
? 2.4-A Sink / 1.6-A Source at V OUT = 6 V
? Inverting Configuration (FAN3216) and
Non-Inverting Configuration (FAN3217)
Description
The FAN3216 and FAN3217 dual 2 A gate drivers are
designed to drive N-channel enhancement-mode
MOSFETs in low-side switching applications by
providing high peak current pulses during the short
switching intervals. They are both available with TTL
input thresholds. Internal circuitry provides an under-
voltage lockout function by holding the output LOW until
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Internal Resistors Turn Driver Off If No Inputs
12-ns / 9-ns Typical Rise/Fall Times (1 nF Load)
20-ns Typical Propagation Delay Time Matched
within 1 ns to the Other Channel
TTL Input Thresholds
MillerDrive? Technology
Double Current Capability by Paralleling Channels
Standard SOIC-8 Package
Rated from –40°C to +125°C Ambient
Automotive Qualified to AEC-Q100 (F085 Versions)
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 FAN3216/17 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.
Applications
The FAN3216 offers two inverting drivers and the
FAN3217 offers two non-inverting drivers. Both are
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Switch-Mode Power Supplies
High-Efficiency MOSFET Switching
Synchronous Rectifier Circuits
DC-to-DC Converters
Motor Control
Automotive-Qualified Systems (F085 Versions)
offered in a standard 8-pin SOIC package.
Figure 1.
FAN3216 Pin Configuration
Figure 2.
FAN3217 Pin Configuration
? 2013 Fairchild Semiconductor Corporation
FAN3216 / FAN3217 ? Rev. 1.0.3
www.fairchildsemi.com
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