January 2011
FAN3216 / FAN3217
Dual-2A, High-Speed, Low-Side Gate Drivers
Features
Description
.
.
.
.
.
.
Industry-Standard Pinouts
The FAN3216 and FAN3217 dual 2A 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
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.
4.5 to 18V Operating Range
3A Peak Sink/Source at VDD = 12V
2.4A Sink / 1.6A Source at VOUT = 6V
TTL Input Thresholds
Two Versions of Dual Independent Drivers:
-
-
Dual Inverting (FAN3216)
Dual Non-Inverting (FAN3217)
.
.
.
.
Internal Resistors Turn Driver Off If No Inputs
MillerDrive™ Technology
12ns / 9ns Typical Rise/Fall Times with 1nF Load
Typical Propagation Delay Under 20ns Matched
within 1ns to the Other Channel
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.
.
.
.
Double Current Capability by Paralleling Channels
Standard SOIC-8 Package
Rated from –40°C to +125°C Ambient
The FAN3216 offers two inverting drivers and the
FAN3217 offers two non-inverting drivers. Both are
offered in a standard 8-pin SOIC package.
Applications
.
.
.
.
.
Switch-Mode Power Supplies
High-Efficiency MOSFET Switching
Synchronous Rectifier Circuits
DC-to-DC Converters
Motor Control
FAN3216
FAN3217
Figure 1. Pin Configurations
Ordering Information
Input
Threshold
Packing
Method
Quantity
per Reel
Part Number
Logic
Package
Tape & Reel
Tape & Reel
FAN3216TMX
FAN3217TMX
Dual Inverting Channels
TTL
TTL
SOIC-8
SOIC-8
2,500
2,500
Dual Non-Inverting Channels
© 2009 Fairchild Semiconductor Corporation
FAN3216 / FAN3217 • Rev. 1.0.1
www.fairchildsemi.com