Fairchild Semiconductor’s Improved Gate Driver Optocoupler Provides Lower Power Consumption, Faster Switching Speeds
November 16 2010 - 11:01AM
Business Wire
Designers of industrial applications such as solar inverters,
uninterruptible power supplies (UPS) and motor drives demand higher
performance gate drive optocouplers with reduced power consumption
and faster switching speeds in order to comply with energy
efficiency standards worldwide. To meet this challenge, Fairchild
Semiconductor (NYSE: FCS) developed the FOD3184 – a 3A output
current, high speed MOSFET/IGBT gate driver optocoupler with a
nearly 50% reduction in propagation delay times and 13% lower power
consumption compared to the popular FOD3120 gate driver. The device
is ideal for high frequency driving of power MOSFETs and IGBTs at
frequencies up to 250kHz.
The FOD3184 consists of an aluminum gallium arsenide (AIGaAs)
light emitting diode optically coupled to a CMOS detector with PMOS
and NMOS output power transistors integrated into the circuit power
stage. The PMOS pull-up transistor has low RDS(ON) for reduced
internal power consumption and near rail-to-rail output voltage
swing. The device also offers high noise immunity, characterized by
a minimum 35kV/µs common mode rejection (CMR) – ideal for noisy
industrial applications.
The device also features a wide VCC operating range (15V to
30V), 3A maximum peak output current and a guaranteed operating
temperature range of -40ºC to +100ºC. The FOD3184 also features an
under-voltage lockout protection (UVLO) with hysteresis, optimized
for driving IGBTs.
The FOD3184 is packaged in an 8-pin dual in-line housing and
offers >8.0mm creepage and clearance distances – a critical
end-application requirement for safety agencies. Additionally, the
packaging is compatible with 260ºC reflow processes for lead-free
solder compliance. The 1,414V working voltage rating (VIORM) allows
the device to drive 1,200V loads with reliable long term insulation
performance.
Fairchild enables engineers to drive innovation in their designs
by developing solutions like the FOD3184 which is part of
Fairchild’s comprehensive portfolio of high performance
optocouplers that offer best-in-class noise immunity, faster
switching speeds and increased power efficiency.
Price (each, 1k pcs.): FOD3184 = $1.51
Availability: Samples available now
Delivery: 6 weeks
Contact Information:
To contact Fairchild Semiconductor about this product, please go
to: http://www.fairchildsemi.com/cf/sales_contacts/.
For information on other products, design tools and sales
contacts, please visit: http://www.fairchildsemi.com.
Note to Editor: For a datasheet in PDF format, please go
to:
http://www.fairchildsemi.com/ds/FO/FOD3184.pdf
About Fairchild Semiconductor:
Fairchild Semiconductor (NYSE: FCS) – global presence, local
support, smart ideas. Fairchild delivers energy-efficient,
easy-to-use and value-added semiconductor solutions for power and
mobile designs. We help our customers differentiate their products
and solve difficult technical challenges with our expertise in
power and signal path products. Please contact us on the web at
www.fairchildsemi.com.
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