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FOD8318R2 PDF预览

FOD8318R2

更新时间: 2024-10-27 12:00:39
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 光电双极性晶体管驱动
页数 文件大小 规格书
31页 608K
描述
2.5 A Output Current, IGBT Drive Optocoupler with Active Miller Clamp, Desaturation Detection, and Isolated Fault Sensing

FOD8318R2 数据手册

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December 2012  
FOD8318  
2.5 A Output Current, IGBT Drive Optocoupler  
with Active Miller Clamp, Desaturation Detection, and  
Isolated Fault Sensing  
Features  
Description  
High noise immunity characterized by common mode  
The FOD8318 is an advanced 2.5 A output current  
IGBT drive optocoupler capable of driving most  
1200 V / 150 A IGBTs. It is ideally suited for fast-switch-  
ing driving of power IGBTs and MOSFETs used in motor  
control inverter applications and high-performance  
power systems. It consists of an integrated gate drive  
optocoupler featuring low RDS(ON) CMOS transistors to  
drive the IGBT from rail to rail and an integrated high-  
speed isolated feedback for fault sensing. The FOD8318  
has an active Miller clamp fuction to shut off the IGBT  
during a high dv/dt situation without the need of a nega-  
tive supply voltage. It offers critical protection features  
necessary for preventing fault conditions that lead to  
destructive thermal runaway of IGBTs.  
rejection  
– 35 kV / µs Minimum Common Mode Rejection  
(Vcm = 1500 Vpeak  
)
2.5 A peak output current driving capability for most  
1200 V / 150 A IGBT  
Optically isolated fault sensing feedback  
Active Miller clamp to shut off the IGBT during high  
dv/dt without needing a negative supply voltage  
“Soft” IGBT turn-off  
Built-in IGBT protection  
– Desaturation detection  
– Under-voltage lock out (UVLO) protection  
Wide supply voltage range from 15 V to 30 V  
It utilizes Fairchild’s proprietary Optoplanar® coplanar  
packaging technology and optimized IC design to  
achieve high noise immunity, characterized by high  
common mode rejection and power supply rejection  
specifications.  
– Use of P-Channel MOSFETs at output stage  
enables output voltage swing close to the supply  
rail (rail-to-rail output)  
3.3 V / 5 V, CMOS/TTL-compatible inputs  
High Speed  
The device is housed in a compact 16-pin small outline  
plastic package that meets the 8 mm creepage and  
clearance requirements.  
– 500 ns max. propagation delay over full operating  
temperature range  
Extended industrial temperate range, -40°C to 100°C  
temperature range  
Safety and regulatory approvals  
– UL1577, 4,243 VRMS for 1 min.  
– DIN EN/IEC 60747-5-5,1,414 Vpeak working  
insulation voltage, 8000 Vpeak transient isolation  
voltage ratings  
RDS(ON) of 1 (typ.) offers lower power dissipation  
User configurable: inverting, non-inverting, auto-reset,  
auto-shutdown  
8 mm creepage and clearance distances  
Applications  
Industrial inverter  
Induction heating  
Isolated IGBT drive  
©2010 Fairchild Semiconductor Corporation  
FOD8318 Rev. 1.1.2  
www.fairchildsemi.com  

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