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ICE3A3065P Datasheet(PDF) 9 Page - Infineon Technologies AG |
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ICE3A3065P Datasheet(HTML) 9 Page - Infineon Technologies AG |
9 / 30 page Version 1.3 9 15 Sep 2004 CoolSET™-F3 Pin Configuration and Functionality 1.5 Pin Functionality SoftS (Soft Start & Auto Restart Control) The SoftS pin combines the functions of Soft Start during Start Up and error detection for Auto Restart Mode. These functions are implemented and can be adjusted by means of an external capacitor at SoftS to ground. This capacitor also provides an adjustable blanking window for high load jumps, before the IC enters into Auto Restart Mode. 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. The FB- Signal controls in case of light load the Active Burst Mode of the controller. CS (Current Sense) The Current Sense pin senses the voltage developed on the series resistor inserted in the source of the integrated Depl-CoolMOS™. If CS reaches the internal threshold of the Current Limit Comparator, the Driver output is immediately switched off. Furthermore the current information is provided for the PWM- Comparator to realize the Current Mode. Drain (Drain of integrated Depl-CoolMOS™) Pin Drain is the connection to the Drain of the internal Depl-CoolMOS TM. VCC (Power supply) The VCC pin is the positive supply of the IC. The operating range is between 8.5V and 21V. GND (Ground) The GND pin is the ground of the controller. |
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