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Description

The FOD8343 series is a 4.0 A maximum peak output current gate

drive optocoupler, capable of driving medium−power IGBT /

MOSFETs. It is ideally suited for fast−switching driving of power

IGBT and MOSFET used in motor−control inverter applications, and

high−performance power systems.

The FOD8343 series utilizes stretched body package to achieve

8 mm creepage and clearance distances (FOD8343T), and optimized

IC design to achieve reliably high−insulation voltage and high−noise

immunity.

The FOD8343 series consists of an Aluminum Gallium Arsenide

(AlGaAs) Light−Emitting Diode (LED) optically coupled to an

integrated circuit with a high−speed driver for push−pull MOSFET

output stage. The device is housed in a stretched body, 6−pin, small

outline, plastic package.

Features

• FOD8343T − 8 mm Creepage and Clearance Distance, and 0.4 mm

Insulation Distance to Achieve Reliable and High−Voltage Insulation

• 4.0 A Maximum Peak Output Current Driving Capability for

Medium−Power IGBT/MOSFET

♦ Use of P−Channel MOSFETs at Output Stage Enables Output

Voltage Swing Close to Supply Rail

• 50 kV/s Minimum Common Mode Rejection Wide Supply Voltage

Range: 10 V to 30 V

• Fast Switching Speed Over Full Operating Temperature Range

♦ 210 ns Maximum Propagation Delay

♦ 65 ns Maximum Pulse Width Distortion Under−Voltage Lockout

(UVLO) with Hysteresis

• Extended Industrial Temperate Range: −40°C to 100°C

• Safety and Regulatory Approvals:

♦ UL1577, 5,000 VRMS for 1 Minute

♦ DIN EN/IEC60747−5−5, 1,140 V Peak Working Insulation Voltage

Application

• AC and Brushless DC Motor Drives

• Industrial Inverter

• Uninterruptible Power Supply Induction Heating

• Isolated IGBT/Power MOSFET Gate Drive