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CS1500 датащи(PDF) 1 Page - Cirrus Logic |
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CS1500 датащи(HTML) 1 Page - Cirrus Logic |
1 / 22 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 CS1500 Digital Power Factor Correction IC Features & Description Digital EMI Noise Shaping Excellent Efficiency Under All Load Conditions Minimal External Devices Required Optimized Digital Loop Compensation Comprehensive Safety Features • Undervoltage Lockout (UVLO) • Output Overvoltage Protection • Input Current Limiting • Output Overpower Protection • Input Brownout Protection • Open/short Loop Protection for IAC & FB Pins • Thermal Shutdown Description The CS1500 is a high-performance power factor correction (PFC) controller for universal AC input, which uses a proprie- tary digital algorithm for discontinuous conduction mode (DCM) with variable on-time and variable frequency control, ensuring unity power factor, shaping EMI noise, achieving ex- cellent efficiency especially at light load conditions. The CS1500 incorporates all the safety features necessary for robust and compact PFC stages. In addition, it has burst mode control to lower the light load/standby losses to a minimum. The digital controller optimizes the system stability and tran- sient performance, simplifies the PFC design, reduces the external component count and BOM costs. The simple design and minimum cost makes CS1500 the ideal choice for PFC up to 300 watts. Pin Assignments NC STBY IAC FB NC VDD GD GND 1 2 3 4 8 7 6 5 8-lead SOIC D2 C1 D1 CS1500 C2 L B C3 Q1 6 2 8 4 5 7 3 1 R1a R1b R2a R2b R3 FB GD NC STBY GND VDD IAC NC RAC RFB BR1 AC Mains Regulated DC Output MAY ‘10 DS849A5 May ?$shortyear> CONFIDENTIAL |
Аналогичный номер детали - CS1500 |
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Аналогичное описание - CS1500 |
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