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ICE2B265 Datasheet(PDF) 8 Page - Infineon Technologies AG |
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ICE2B265 Datasheet(HTML) 8 Page - Infineon Technologies AG |
8 / 36 page Version 2.6 8 25 Dec 2006 CoolSET™-F2 Pin Configuration and Functionality 1.5 Pin Functionality SoftS (Soft Start & Auto Restart Control) This pin combines the function of Soft Start in case of Start Up and Auto Restart Mode and the controlling of the Auto Restart Mode in case of an error detection. FB (Feedback) 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. Isense (Current Sense) The Current Sense pin senses the voltage developed on the series resistor inserted in the source of the integrated CoolMOS™. When Isense reaches the internal threshold of the Current Limit Comparator, the Driver output is disabled. By this means the Over Current Detection is realized. Furthermore the current information is provided for the PWM-Comparator to realize the Current Mode. Drain (Drain of integrated CoolMOS™) Pin Drain is the connection to the Drain of the internal CoolMOSTM. VCC (Power supply) This pin is the positive supply of the IC. The operating range is between 8.5V and 21V. To provide overvoltage protection the driver gets disabled when the voltage becomes higher than 16.5V during Start Up Phase. GND (Ground) This pin is the ground of the primary side of the SMPS. |
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