TEA1999TS USB BC1.2 Synchronous Rectifier Controller for Flyback
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The TEA1999TS add-on board is designed for incorporation into existing flyback power supplies, by replacing the secondary rectifier diode. The add-on board consists of the TEA1999TS SR controller IC and a low-ohmic MOSFET.
It can be used in all power supplies that require a high efficiency, like:
- Chargers
- Adapters
- Flyback power supplies with very low and/or variable output voltage
製品詳細
Features
Efficiency features
- Adaptive gate drive for maximum efficiency at any load
- Typical supply current in no-load operation below 250 µA
Application features
- Operates in an output voltage range between 26 V and 0 V
- Drain sense pin capable of handling input voltages up to 120 V
- Self-supplying for operation with a low output voltage
- Self-supplying for high-side rectification without the use of an auxiliary winding
- Operates with standard and logic level SR MOSFETs
- Supports USB BC, Quick Charge, and smart charging applications
- TSOP6 package
Control features
- Adaptive gate drive for fast turn-off at the end of the conduction
- UnderVoltage LockOut (UVLO) with active gate pull-down
- Blanking input for low and high switching frequency
- Enable input for CCM operation and for disabling at start-up or shorted output