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Product Descriptions

SD6601S is a high-precision, low-cost primary feedback LED constant current driver chip used in flyback isolated LED lighting.

The chip operates in inductor current intermittent mode, suitable for input voltage of 90Vac~265Vac and output power of 1-3W; 176Vac~265Vac input voltage, 3~5W output power.

SD6601S adopts a unique constant current control method, with a current accuracy of within ± 3%, and can set the output current through the peak current sampling resistor. The chip integrates a 650V power MOS switch and adopts a primary feedback control mode, without the need for loop compensation or optocouplers TL431、 The auxiliary winding and other components of the transformer save system costs and volume.

Integrated LED open/short circuit protection inside the chip; Primary overcurrent protection, overvoltage protection, over temperature protection, etc. are used to improve the reliability of the system.

SD6601S is packaged in SOP-7-255-1.27.

Product Features

± 3 PERCENT LED output current accuracy

Primary feedback control technology without auxiliary winding

High efficiency and low system cost

Internally integrated 650V power transistor

Built in line voltage compensation

No need for loop compensation

Built in front edge blanking circuit

LED short circuit/open circuit protection

Primary edge periodic overcurrent protection

Short circuit protection for CS pins

Undervoltage protection

Overtemperature protection

Product Applications

? GU10 LED spotlight

? LED bulb light

? PAR lamp

? Other LED lighting

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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