energy Control Digital PFC Controllers Power Fa Ctor Corre Ction i C For Power Su PPlie S D1 L B V DD R1 R3 R5 BR1 BR1 R6 R2 8 1 Q1 CS1501/1601 57 VDD IFB ZCD GD (actual size: 5 mm x 5 mm) CS1501 AC Regulated C1 C2 CS1601 Mains DC Output CS1601H 3 4 IAC CS STBY GND 2 6 R4 R7 BR1 BR1 Dtv o verview: The CS1501/1601 are high-performance Variable Variable on-time/ variable frequency algorithm is Frequency Discontinuous Mode, active digital power used in achieving close to unity power factor and factor correction (PFC) controllers. They feature Cirrus spreading the EMI frequency spectrum, thus reducing le D Power S u PPly Logics EXL Core technology that brings innovative the conducted EMI filtering requirements. The digital energy control which elevates performance feedback loop is closed through an integrated and reduces total solution size. compensation network within the IC, eliminating the need for additional external components. Protection The unique digital architecture of our PFC controllers features (such as overvoltage, overcurrent, enables a reduction in the boost inductor value (L ), B overpower, open and short circuit protection, over the size of the EMI filter stage and many external temperature, and brownout) help protect the device CirruS l ogiC, i n C. passive components. during abnormal transient conditions. 2901 Via Fortuna Austin, Texas 78746 Feature S: United States Superior light-load efficiency, top-end power factor Overvoltage protection T +1-512-851-4000 correction, unsurpassed THD Overpower protection with shutdown F +1-512-851-4977 Smaller boost inductance needed versus critical Toll-Free +1-800-888-5016 UVLO with wide hysteresis conduction mode (CRM) Thermal shutdown with hysteresis Sale S Su PPort Digital EXL Core enables intelligent and adaptive switching North America +1 800-625-4084 Pin-out similar to top analog CRM solutions Asia Pacific +852 2376-0801 Current sense and zero crossing detect (ZCD) Japan +81 (3) 5226-7757 functionality added Europe/UK +44 (90) 1628-891-300 Brownout protection learn more at www.cirrus.comenergy Control Digital PFC Controller S *VF-DCM 70 1.5 7.9 17.0 -40 to +125 9/6 SOIC-8 CS1501 CS1601 *VF-DCM 70 1.5 7.9 17.0 -40 to +125 9/6 SOIC-8 CS1601H *VF-DCM 100 1.7 7.9 17.0 -40 to +125 9/6 SOIC-8 eFFiCien Cy Per Forman Ce evaluation boar DS 98.00 96.00 94.00 Cirrus Logic has a sizable advantage in efficiency CDB150X-01 Demonstration Board 92.00 Demonstrates the performance of the CS1501 digital PFC controller with a 90 watt output at a link voltage of 400 volts. Cirrus 90.00 CS1601 (380 uH) This board is 97% efficient at full load. Suited for power supply l eading applications with 90-265Vac input. 88.00 a nalog Crm (380 uH) 86.00 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Power (w ) a t 277 v ac input, eFF plot across load range t HD PerF orman Ce 22 CDB1601-120W Demonstration Board THD <10% preferred l eading Demonstrates the performance of the CS1601 digital PFC a nalog for ballasts Crm controller with a 120 watt output at a link voltage of 460 volts. 17 (680 uH) CS1601 This board is 95% efficient at full load. Suited for lighting (380 uH) applications with 108-305Vac input. 12 6% 7 2% 2 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Power (w ) C RD1601-120W Reference Design Board a t 120 v ac input, t HD plot across load range Demonstrates the performance of the CS1601 digital PFC eXl Core te CHnology controller in an electronic ballast application. The CRD1601 uses The EXL Core is a digital technology platform at the heart of Cirrus a resonant second stage driver to power up to two T5 Logics commitment to develop innovative solutions that help our fluorescent lamps. The CRD1601 has been designed to fit into a customers cost effectively create smarter, greener energy products. slimline T5 fluorescent electronic ballast form factor. 2011 Cirrus Logic, Inc. All rights reserved. Cirrus Logic, Cirrus, the Cirrus Logic logo designs, EXL Core, and the EXL Core logo design are trademarks of Cirrus Logic, Inc. Product Bulletin 1079701-0511-PB t HD (%) efficiency (%) Part *Control Method Max fsw kHz Frequency Spreading Peak Current Spreading IC Supply Current mA V Range V DD T Op. Range J C Gate Driver (Source/Sink) Internal Feedback Compensation Package