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ICE3BS02L Datasheet(PDF) 3 Page - Infineon Technologies AG |
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ICE3BS02L Datasheet(HTML) 3 Page - Infineon Technologies AG |
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3 / 21 page  Type FOSC Package ICE3BS02L 67kHz PG-DIP-8-6 Version 1.1 3 28 Sep 2005 F3 ICE3BS02L Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell and Latched off Mode test PG-DIP-8-6 Description The F3 Controller provides Active Burst Mode to reach the lowest Standby Power Requirements <100mW at no load. As the controller is always active during Active Burst Mode, there is an immediate response on load jumps without any black out in the SMPS. In Active Burst Mode the ripple of the output voltage can be reduced <1%. Furthermore, to increase the robustness and safety of the system, the device enters into Latched Off Mode in the cases of Overtemperature, Overvoltage or Short Winding. The Latched Off Mode can only be reset by disconnecting the main line. Auto Restart Mode is entered for cases like open loop or overload. By means of an internal precise peak current limitation, the dimension of the transformer and the secondary diode can be lowered which leads to more cost efficiency. An adjustable blanking window prevents the IC from entering Auto Restart Mode or Active Burst Mode unintentionally in case of high load jumps. Product Highlights • Active Burst Mode to reach the lowest Standby Power Requirements < 100mW • Latched Off Mode and Auto Restart Mode to increase robustness and safety of the system • Adjustable Blanking Window for high load jumps to increase system reliability • PB-free Plating and RoHS compliant Features • 500V Startup Cell switched off after Start Up • Active Burst Mode for lowest Standby Power @ light load controlled by Feedback Signal • Fast load jump response in Active Burst Mode • 67kHz internally fixed switching frequency • Latched Off Mode for Overtemperature Detection • Latched Off Mode for Overvoltage Detection • Latched Off Mode for Short Winding Detection • Auto Restart Mode for Overload and Open Loop • Auto Restart Mode for VCC Undervoltage • Blanking Window for short duration high current • User defined Soft Start • Minimum of external components required • Max Duty Cycle 72% • Overall tolerance of Current Limiting < ±5% • Internal PWM Leading Edge Blanking • Soft driving for low EMI C SoftS C VCC C Bulk Converter DC Output + ICE3BS02L F3 with Latch off Mode Snubber Power Management PWM Controller Current Mode 85 ... 270 VAC Typical Application R Sense Gate CS Startup Cell HV Precise Low Tolerance Peak Current Limitation SoftS FB GND VCC Active Burst Mode Latched Off Mode Auto Restart Mode Control Unit - |
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Similar Description - ICE3BS02L |
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