ICE2QS01FKLA1
ICE2QS01FKLA1 Datasheet
ICE2QS01
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ICE2QS01FKLA1 |
ICE2QS01FKLA1 (pdf) |
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| Datasheet Version 04 Jul 2011 Power Management & Supply Never stop thinking. ICE2QS01 04 Jul 2011 Previous Version: Datasheet For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide see our webpage at CoolMOS , CoolSET are trademarks of Infineon Technologies AG. Edition 2011-07-04 Published by Infineon Technologies AG 81726 Munich, Germany 2007 Infineon Technologies AG All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office Warnings Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. ICE2QS01 Quasi-Resonant PWM Controller Product Highlights • Active burst mode for low standby power • Digital frequency reduction for better overall system efficiency • Integrated power cell for IC self-power supply ICE2QS01 PG-DIP-8 PG-DIP-8 • Quasiresonant operation till very low load • Active burst mode operation at light load for low standby input power < 1W • Digital frequency reduction with decreasing load • Power cell for VCC pre-charging and IC power supply during latch-off, or standby mode operation when it is necessary • Built-in digital soft-start • Foldback correction and cycle-by-cycle peak current limitation • Auto restart mode for VCC Overvoltage protection • Auto restart mode for VCC Undervoltage protection • Auto restart mode for openloop/overload protection • Latch-off mode for adjustable output overvoltage protection • Latch-off mode for Short-winding protection ICE2QS01 is a quasi-resonant PWM controller optimized for off-line switch power supply applications such as LCD TV, CRT TV and notebook adapter. The digital frequency reduction with decreasing load enables a quasi-resonant operation till very low load. As a result, the system efficiency is significantly improved compared to other conventional solutions. The active burst mode operation enables an ultra-low power consumption at standby mode with small and controllable output voltage ripple. The innovative power cell solves the IC power supply problem when the output voltage is pulled down during standby mode, or during latch-off mode. The numerous protection functions give a full protection of the power supply system in failure situations. All of these make the ICE2QS01 an outstanding controller for quasiresonant flyback converter in the market. 85 ~ 265 VAC Dr1~Dr4 CVCC Cbus RVCC DVCC RZC2 Power Cell VCC ZC Snubber RZC1 CREG REG PWM Controller Zero Crossing Detection Power Management Digital Process Block Active Burst Mode Protection Block Current Mode Control Gate Driver Current Limitation ICE2QS01 |
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