AC/DC Off-Line Switcher IC, Buck-Boost, Flyback, 85 VAC - 265 VAC, 66 kHz, 360 mA output, DIP-8

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• Lowest Component Count Buck Converter Solution
• Fully integrated Auto-restart for Short-circuit and open loop fault protection saves component costs
• 66kHz Operation with accurate current limit, allows low cost Off-the-shelf 1mH Inductor
• Tight Tolerances and Negligible Temperature Variation
• High Breakdown Voltage of 700V Provides Excellent Input Surge Withstand
• Frequency Jittering Dramatically Reduces EMI (~10dB)
• High Thermal Shutdown Temperature (+135°C Minimum)
• Much Higher Performance Over Discrete Buck and Passive Solutions
• Supports Buck, Buck-boost and Flyback Topologies
• System Level Thermal Overload, Output Short-circuit and Open Control Loop Protection

• Excellent Line and Load Regulation Even with Typical Configuration
• High Bandwidth Provides Fast Turn-on with No Overshoot
• Current Limit Operation Rejects Line Ripple
• Universal Input Voltage Range (85 to 265VAC)
• Built-in Current Limit and Hysteretic Thermal Protection
• Higher Efficiency than Passive Solutions
• Higher Power Factor than Capacitor-fed Solutions
• Entirely Manufacturable in SMD
• EcoSmart™ - Extremely Energy Efficient
• Consumes typically 50/80mW in self-powered buck topology at 115/230VAC input with no-load