FEATURES: - An Amplitude-Modulation System forTransformer Coupling an IsolatedFeedback Error Signal - Low-Cost Alternative to OpticalCouplers - Internal 1% Reference and ErrorAmplifier - Internal Carrier Oscillator Usable to5MHz - Modulator Synchronizable to anExternal Clock - Loop Status Monitor
ABSOLUTE MAXIMUM RATINGS Note 1 Input Supply Voltage, VIN. . . . . . . . . . . . . . . . . . . . . 40V Reference Output Current . . . . . . . . . . . . . . . . . . . . – 10mA Driver Output Currents . . . . . .. . . . . . . . . . . . . . . – 35mA Status Indicator Voltage . . . . . . . . . . . . . . . . . . . . . 40V Status Indicator Current . . . . .. . . . . . . . . . . . . . . . 20mA Ext. Clock Input . . . . . . . .. . . . . . . . . . . . .. . . . . 40V Error Amplifier Inputs . . . .. . . . . . . . . . . . . . – 0.5V to 35V Power Dissipation at TA= 25 C . . . . . . . . . . . . . . . . . 1000mW Power Dissipation at TC= 25 C . . . . . . . . . . . . . . . . . 2000mW Operating Junction Temperature . . . . . . . . . . . . – 55 C to 150 C Storage Temperature . . . . . . . . . . . . . . . . . . – 65 C to 150 C Lead Temperature Soldering, 10 seconds . . . . . . . . . . . . . 300 C Note 1: Voltages are referenced to ground, Pin 7. Currents arepositive into, negative out of the specified terminal. Note 2: Consult Packaging section of Databook for thermal limi-tations and considerations of package