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Part Number: 2A265

Category: Other

MFG: Other

 

 

Description: The 2A265 has fourteen features.(1)650V/800V avalanche rugged CoolMOS.(2)only few external components required.(3)input undervoltage lo...


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2A265 General Description


The 2A265 has fourteen features.(1)650V/800V avalanche rugged CoolMOS.(2)only few external components required.(3)input undervoltage lockout.(4)100kHz switching frequency.(5)Max duty cycle 72%.(6)low power standby mode to meet european commission requirements.(7)thermal shut down with auto restart.(8)overload and open loop protection.(9)overvoltage protection during auto restart.(10)adjustable peak current limitation via external resistor.(11)overall Tolerance of current limiting < ±5%.(12)internal leading edge blanking.(13)user defined soft start.(14)soft switching for low EMI.

The second generation COOLSET-F2 provides several special enhancements to satisfy the needs for low power standby and protection features. In standby mode frequency reduction is used to lower the power consumption and support a stable output voltage in 2A265. The frequency reduction is limited to 21.5 kHz to avoid audible noise. In case of failure modes like open loop,overvoltage or overload due to short circuit the device switches in Auto Restart Mode which is controlled by the internal protection unit. By means of the internal precise peak current limitation the dimension of the transformer and the secondary diode can be lower which leads to more cost efficiency.The information about the regulation is provided by the FB Pin to the internal Protection Unit and to the internal PWM-Comparator to control the duty cycle.

2A265 Connection Diagram

2A265  Connection Diagram

2A265 datasheet


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