IL485

IL485 OPTICALLY COUPLED HIGH SPEED MOSFET DRIVERS OPTOCOUPLER FEATURES Fast Turn On Fast Turn Off Low Input Current Isolation Test Voltage, 5300 VACRMS APPLICATIONS Motor Drive Controls IGBT-predrivers AC/DC Power Inverters DESCRIPTION The IL485 is a photovoltatic generator (optically coupled) designed to drive highly capacitive loads such as the gate of a power MOSFET transistor and at the same time provide isolation and floating voltage supply capability. The coupler consists of a GaAlAs light emitting diode as input control and a custom photo IC chip with photodiode arrary (PDA) as output device. When the LED is turned on, the emitted light produces a voltage in the PDA. The output of the PDA is used to drive the gate of a power MOSFET. The photo IC chip contains additional circuitry to enhance the switching speeds, (both turn on turn off). The optocoupler is packaged in a 6 pin DIP. Dimensions in inches (mm) Pin One ID. 3 .248 (6.30) .256 (6.50) 4 5 6 2 1 A 1 K 2 3 6 –out 5 B 4 +out .335 (8.50) .343 (8.70) .039 (1.00) Min. 4° Typ. .018 (0.45) .022 (0.55) .300 (7.62) Typ. .130 (3.30) .150 (3.81) 18° Typ. .020 (.051) Min. .031 (0.80) .035 (0.90) .100 (2.54) Typ. .010 (.25) .014 (.35) .300 (7.62) .347 (8.82) .110 (2.79) .150 (3.81) Maximum Ratings Emitter Reverse Voltage ..................................................................................4 V Forward Current ..............................................................................60 mA Pe...