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ICE3BS02L Datasheet(PDF) 5 Page - Infineon Technologies AG |
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ICE3BS02L Datasheet(HTML) 5 Page - Infineon Technologies AG |
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5 / 21 page  Version 1.1 5 28 Sep 2005 F3 ICE3BS02L Pin Configuration and Functionality 1 Pin Configuration and Functionality 1.1 Pin Configuration with PG-DIP-8-6 Figure 1 Pin Configuration PG-DIP-8-6(top view) Note: Pin 4 and 5 are shorted within the DIP 8 package. 1.2 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 external PowerMOS. 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. Gate The Gate pin is the output of the internal driver stage connected to the Gate of an external PowerMOS. HV (High Voltage) The HV pin is connected to the rectified DC input voltage. It is the input for the integrated 500V Startup Cell. 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. Pin Symbol Function 1 SoftS Soft-Start 2 FB Feedback 3 CS Current Sense 4 HV High Voltage Input 5 HV High Voltage Input 6 Gate Driver Stage Output 7 VCC Controller Supply Voltage 8 GND Controller Ground Package PG-DIP-8-6 1 6 7 8 4 3 2 5 GND SoftS FB CS VCC Gate HV HV |
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