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CS1600 数据表(PDF) 1 Page - Cirrus Logic |
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CS1600 数据表(HTML) 1 Page - Cirrus Logic |
1 / 18 page Advance Product Information This document contains information for a product under development. Cirrus Logic reserves the right to modify this product without notice. Copyright Cirrus Logic, Inc. 2010 (All Rights Reserved) Cirrus Logic, Inc. http://www.cirrus.com CS1600 Low-cost PFC Controller for Electronic Ballasts Features & Description Lowest PFC System Cost for Electronic Ballasts Variable Frequency Discontinuous Conduction Mode Improved Efficiency Due to Variable Switching Frequency EMI Signature Reduction from Digital Noise Shaping Integrated Feedback Compensation Overvoltage Protection with Hysteresis Overpower Protection with Shutdown UVLO with Wide Hysteresis Thermal Shutdown with Hysteresis Description CS1600 is a high-performance Variable Frequency Discontinu- ous Conduction Mode (VF - DCM), active Power Factor Correction (PFC) controller, optimized to deliver the lowest PFC system cost for electronic ballast applications. A variable ON time / variable frequency algorithm is used to achieve near unity power factor. This algorithm spreads the EMI frequency spectrum, which reduces the conducted EMI filtering requirements. The feedback loop is closed through an integrated compensation network within the IC, eliminating the need for additional external components. Protection features such as overvoltage, overcurrent, overpower, open- and short-circuit pro- tection, overtemperature, and brownout help protect the device during abnormal transient conditions. Pin Assignments 8-lead SOIC NC STBY IAC FB NC VDD GD GND 1 2 3 4 8 7 6 5 D6 C1 D5 C2 BR1 BR1 BR1 BR1 AC Mains +12V L1 Q1 R3 CS1600 IAC NC FB STBY VDD GND NC GD 2 3 1 7 8 6 4 5 R1a R1b R2b R2a C3a C3b R2c R1c RAC RFB Clink MAY ‘10 DS904A5 |
类似零件编号 - CS1600 |
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类似说明 - CS1600 |
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