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UC3868N

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Description
UC3868N
The UC3868N family of ICs is optimized for the control of Zero Current Switched and Zero Voltage Switched quasi-resonant converters. Differences between members of this device family result from the various combinations of UVLO thresholds and output options. Additionally, the one-shot pulse steering logic is configured to program either on-time for ZCS systems (UC1865-1868), or off-time for ZVS applications.UC3868N
Features
• Controls Zero Current Switched (2CS) or Zero Voltage Switched (ZVS) Quasi-Resonant Converters
• Zero-Crossing Terminated One-Shot Timer
• Precision 1%, Soft-Started 5V Reference
• Programmable Restart Delay Pollowing Fault
• Voltage-Controlled Oscillator (VCO) with Programmable Minimum and Maximum Frequencies from 10kHz to 1MHz
• Low Start-Up Current (150pA typical)
• Dual 1 Amp Peak FET Drivers
• UVLO Option for Off-Line or DC/DC applicationsUC3868N Applications
• Computers
• Controllers
• Battery-Powered Digital Widgets
• Portable Data-Gathering Instruments
• Laptop and Palmtop Computers
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

SHIPPING GUIDE

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