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ICE3AR2280CJZ Datasheet(PDF) 6 Page - Infineon Technologies AG |
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ICE3AR2280CJZ Datasheet(HTML) 6 Page - Infineon Technologies AG |
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6 / 33 page  Version 2.0 6 11 Jan 2012 CoolSET®-F3R80 ICE3AR2280CJZ Pin Configuration and Functionality 1 Pin Configuration and Functionality 1.1 Pin Configuration with PG-DIP-7 Figure 1 Pin Configuration PG-DIP-7 (top view) 1.2 Pin Functionality BRL (Brownout, fast AC Reset & Latch enable) The BRL pin combines the functions of brownout, fast AC reset and the external latch enable. The brownout feature is to stop the switching pulse when the input voltage is dropped to lower than 1V. The Fast AC reset feature is to recover from latch feature when the voltage of BRL pin has a rising rate of <1.33V/ms from 0.4V to 1V. The external latch enable function is an external access to stop the gate switching and force the IC to enter latch mode. It is triggered by pulling the pin voltage to less than 0.4V. FBB (Feedback & Burst entry select) The FBB pin combines the feedback function and the burst entry/exit control. The regulation information is provided by the FBB pin to the internal Protection Unit and the internal PWM-Comparator to control the duty cycle. The FBB-signal is the only control signal in case of light load at the Active Burst Mode. The burst entry select provides an access to select the entry/exit burst mode level. CS (Current Sense) The Current Sense pin senses the voltage developed on the shunt resistor inserted in the source of the integrated 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 operation. Drain (Drain of integrated CoolMOS®) The Drain pin is the connection to the Drain of the integrated CoolMOS®. VCC (Power Supply) The VCC pin is the power supply of the IC. The voltage operating range is between 10.5V and 24.7V. GND (Ground) The GND pin is the ground of the controller. Pin Symbol Function 1 BRL Brownout, fast AC Reset & Latch enable 2 FBB Feedback & Burst entry/exit con- trol 3 CS Current Sense/ 800V CoolMOS ® Source 4 n.c. not connected 5 Drain 800V CoolMOS ® Drain 6 - (no pin) 7 VCC Controller Supply Voltage 8 GND Controller Ground Package PG-DIP-7 1 7 8 4 3 2 5 GND BRL FBB CS VCC n.c. Drain |
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