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DESCRIPTION

The device is manufactured with the BCD OFF LINE technology, able to ensure voltage ratings up to 600V, making it perfectly suited for AC/DC Adapters and wherever a Resonant Topology can be beneficial. The device is intended to drive two Power MOS, in the classical Half Bridge Topology. A dedicated Timing Section allows the designer to set Soft Start Time, Soft Start and Minimum Frequency. An Error Amplifier, together with the two Enable inputs, are made available. In addition, the integrated Bootstrap Diode and the Zener Clamping on low voltage supply, reduces to a minimum the external parts needed in the applications.

FEATURES

■HIGH VOLTAGE RAIL UP TO 600V

■dV/dt IMMUNITY ±50V/ns IN FULL TEMPERATURE RANGE

■DRIVER CURRENT CAPABILITY: 250mA SOURCE 450mA SINK

■SWITCHING TIMES 80/40ns RISE/FALL WITH 1nF LOAD

■CMOS SHUT DOWN INPUT

■UNDER VOLTAGE LOCK OUT

■SOFT START FREQUENCY SHIFTING TIMING

■SENSE OP AMP FOR CLOSED LOOP CONTROL OR PROTECTION FEATURES

■HIGH ACCURACY CURRENT CONTROLLED OSCILLATOR

■INTEGRATED BOOTSTRAP DIODE

■CLAMPING ON Vs

■SO16, DIP16 PACKAGES