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FAN3122

更新时间： 2024-11-30 12:29:47
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 驱动器栅极栅极驱动
页数 文件大小 规格书
21页 1617K
描述
Single 9-A High-Speed, Low-Side Gate Driver

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FAN3122 数据手册

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June 2013  
FAN3121 / FAN3122  
Single 9-A High-Speed, Low-Side Gate Driver  
Features  
Description  
The FAN3121 and FAN3122 MOSFET drivers are  
designed to drive N-channel enhancement MOSFETs in  
low-side switching applications by providing high peak  
current pulses. The drivers are available with either TTL  
input thresholds (FAN312xT) or VDD-proportional CMOS  
input thresholds (FAN312xC). Internal circuitry provides  
an under-voltage lockout function by holding the output  
low until the supply voltage is within the operating range.  
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Industry-Standard Pin-out with Enable Input  
4.5-V to 18-V Operating Range  
11.4 A Peak Sink at VDD = 12 V  
9.7-A Sink / 7.1-A Source at VOUT = 6 V  
Inverting Configuration (FAN3121) and  
Non-Inverting Configuration (FAN3122)  
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Internal Resistors Turn Driver Off If No Inputs  
23-ns / 19-ns Typical Rise/Fall Times (10 nF Load)  
20-ns Typical Propagation Delay Time  
Choice of TTL or CMOS Input Thresholds  
MillerDrive™ Technology  
FAN312x drivers incorporate the MillerDrive™  
architecture for the final output stage. This bipolar /  
MOSFET combination provides the highest peak current  
during the Miller plateau stage of the MOSFET turn-on /  
turn-off process.  
The FAN3121 and FAN3122 drivers implement an  
enable function on pin 3 (EN), previously unused in the  
industry-standard pin-out. The pin is internally pulled up  
to VDD for active HIGH logic and can be left open for  
standard operation.  
Available in Thermally Enhanced 3x3 mm 8-Lead  
MLP or 8-Lead SOIC Package (Pb-Free Finish)  
.
.
Rated from –40°C to +125°C  
Automotive Qualified to AEC-Q100 (F085 Versions)  
The commercial FAN3121/22 is available in a 3x3 mm  
8-lead thermally-enhanced MLP package or an 8-lead  
SOIC package. The AEC-Q100 automotive-qualified  
versions are available in the 8-lead SOIC package.  
Applications  
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Synchronous Rectifier Circuits  
High-Efficiency MOSFET Switching  
Switch-Mode Power Supplies  
DC-to-DC Converters  
Motor Control  
Automotive-Qualified Systems (F085 Versions)  
VDD  
IN  
VDD  
VDD  
IN  
VDD  
8
7
6
5
8
7
6
5
1
2
3
4
1
2
3
4
OUT  
OUT  
GND  
OUT  
OUT  
GND  
EN  
EN  
GND  
GND  
Figure 1. FAN3121 Pin Configuration  
Figure 2. FAN3122 Pin Configuration  
© 2008 Fairchild Semiconductor Corporation  
FAN3121 / FAN3122 • Rev. 1.0.2  
www.fairchildsemi.com  
1234567...21

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