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FAN3121C Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FAN3121C Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 18 page January 2011 © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN3216 / FAN3217 • Rev. 1.0.1 FAN3216 / FAN3217 Dual-2A, High-Speed, Low-Side Gate Drivers Features Industry-Standard Pinouts 4.5 to 18V Operating Range 3A Peak Sink/Source at V DD = 12V 2.4A Sink / 1.6A Source at V OUT = 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 Double Current Capability by Paralleling Channels Standard SOIC-8 Package Rated from –40°C to +125°C Ambient Applications Switch-Mode Power Supplies High-Efficiency MOSFET Switching Synchronous Rectifier Circuits DC-to-DC Converters Motor Control Description 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. 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. The FAN3216 offers two inverting drivers and the FAN3217 offers two non-inverting drivers. Both are offered in a standard 8-pin SOIC package. FAN3216 FAN3217 Figure 1. Pin Configurations Ordering Information Part Number Logic Input Threshold Package Packing Method Quantity per Reel FAN3216TMX Dual Inverting Channels TTL SOIC-8 Tape & Reel 2,500 FAN3217TMX Dual Non-Inverting Channels TTL SOIC-8 Tape & Reel 2,500 |
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