GreenChip SMPS Primary Side Control IC with QR/DCM Operation
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GreenChip Synchronous Rectifier Controller
The TEA1999TS is a member of a new generation of Synchronous Rectifier (SR) controller ICs for switched mode power supplies with adaptive gate drive for maximum efficiency at any load.
The TEA1999TS is a dedicated controller IC for synchronous rectification on the secondary side of flyback converters. It incorporates the sensing stage and driver stage for driving the SR MOSFET, which is rectifying the output of the secondary transformer winding.
The TEA1999TS can generate its own supply voltage for battery charging applications with low output voltage or for applications with high-side rectification.
The TEA1999TS is fabricated in a Silicon-On-Insulator (SOI) process.
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 18 V and 0 V
- Drain sense pin capable of handling input voltages up to 100 V
- Self-supplying for operation with 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, QuickCharge and smart charging applications
- TSOP6 package
Control features
- Adaptive gate drive for fast turn-off at the end of conduction
- UnderVoltage LockOut (UVLO) with active gate pull-down
- Blanking input for low and high switching frequency
購入/パラメータ
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