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ICE2AS01 Folha de dados(PDF) 5 Page - Infineon Technologies AG |
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ICE2AS01 Folha de dados(HTML) 5 Page - Infineon Technologies AG |
5 / 24 page Version 2.0 5 1 Feb 2002 ICE2AS01/G ICE2BS01/G 1 Figure 1 Pin Configuration (top view) 1.2 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 external Power Switch. When Isense reaches the internal threshold of the Current Limit Comparator, the Driver output is disabled. By this mean the Over Current Detection is realized. Furthermore the current information is provided for the PWM-Comparator to realize the Current Mode. Gate (Driver Output) The current and slew rate capability of this pin are suited to drive Power MOSFETs. VCC (Power supply) This pin is the positiv 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. 1.1 Pin Configuration Pin Symbol Function 1 N.C. Not connected 2 SoftS Soft Start & Auto Restart Control 3 FB Regulation Fedback 4 Isense Controller Current Sense Input 5 Gate Driver Output 6 VCC Controller Supply Voltage 7 GND Controller Ground 8 N.C. Not connected 1 6 7 8 4 3 2 5 GND SoftS FB Isense N.C. VCC N.C. Gate Package P-DIP-8-4 G-Package P-DSO-8-3 1 Pin Configuration and Functionality |
Nº de peça semelhante - ICE2AS01 |
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Descrição semelhante - ICE2AS01 |
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