桂花蒸

DER-405 - 25 W high efficiency (>90%) high power factor (>0.97) non-isolated buck-boost T10 tube LED driver

DER-405 - 25 W High Efficiency (>90%) High Power Factor (>0.97) Non-Isolated Buck-Boost T10 Tube LED Driver

Overview

Summary and Features
• Single-stage combined, power factor correction, low THD and constant current output, non-
isolated LED driver
• No output current sensing required
• Eliminates all control loop circuitry
• Advanced performance features
• Compensates for inductance tolerance
• Compensates for input voltage variations
• Compensates for output voltage variations
• Frequency jittering greatly reduces EMI filter costs
• Advanced protection and safety features
• Auto-restart protection for short-circuit
• Hysteretic thermal shutdown
• Open load protection
• Compact with extremely low component count single-sided PCB
• High efficiency >90% across load and line voltage range
• High PF >0.9 at 230 V
• Low THD, <15% at 230 VAC
• IEC61000-3-2 CLASS C compliant

Blockdiagram

Design Files

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Update:2024-11-22 17:40:12

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