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FAN6240: Secondary-Side Synchronous Rectifier Controller for Flyback Converters
The FAN6240M6X is a secondary-side synchronous rectifier (SR) controller for an isolated flyback converteroperating in Discontinuous Conduction Mode (DCM). The adaptive dead-time control algorithm minimizes thebody diode conduction of SR MOSFET while guaranteeing stable and robust SR operation againstnoise and disturbance caused by the circuit parasitic. 30 V rated input voltage LDO and Low VDD Under-Voltage Lockout (UVLO) voltage allow FAN6240M6X to be used for wide ranges of switched mode power supplyoutput voltage without additional circuit.
| FAN6240 Datasheet |
Features
- Works in Discontinuous Conduction Mode (DCM).
- Adaptive Turn-off Trigger Blanking Time for easier use
- Turn-on Trigger Blanking Time (Minimum-OFF Time) for Improved Noise Immunity
- Supports High-Frequency Applications up to 200 kHz
- Minimum Turn-on Delay (20 ns)
- Adaptive Turn-off Threshold Control for Minimized SR MOSFET Body Diode Conduction (Dead-Time is independent of SR MOSFET)
- Wide Voltage Range for LDO Input up to 30 V
- Small Footprint: SOT-23 6 Pin Package
| Product | Product & Eco Status | Unit Price/1K Order | Packing Method Convention | Package Marking Convention* |
|---|---|---|---|---|
| FAN6240M6X | Full Production Green as of Jan 2016 China RoHS | $0.312 | SOT-23 6L
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1.45 x 2.9 x 2.8mm,
TAPE REEL
| Line 1&E (Space) &E (Space) &Y (Binary Calendar Year Coding)
Line 2&O (Plant Code) |
- SOT-23 6L Drawing Last Update: Apr 2015
- SOT23-6L, Packing Drawing Last Update: Jan 2016
