Copyright  Cirrus Logic, Inc. 2014(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.com       

AN405105. DIMMER COMPATIBILITYTable 2: 120VAC, 60HZ Mains Power System1. Tested at nominal input voltage, nominal input frequency and without a dimmer

AN405116. PERFORMANCE PLOTS 00.050.10.150.20.250.30.350.40.450.515 30 45 60 75 90 105 120 135 150 165 180Output Current (A) Dim Angle (ƕ) Mode 2 Mode

AN40512 0.370.380.390.40.410.420.430.440.450.460.47108 110 112 114 116 118 120 122 124 126 128 130 132Output Current (A) Line Voltage (V) Mode 2 Mode

AN405137. REVISION HISTORYRevision Date ChangesRD1 AUG 2014 Preliminary release

AN4052Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one nearest to y

AN40531. INTRODUCTIONThe CS1680 is a cascade boost-buck dimmable LED controller IC. The CS1680 uses a Cirrus Logic proprietary in-telligent digital co

AN40542. SCHEMATICFigure 1. Schematic       

AN40553. BILL OF MATERIALS Designator Value Manufacturer Part NumberC1, C10 CAP CER 10UF 25V 10% X7R 1206 Taiyo Yuden TMK316B7106KL-TDC2CAP CER 27PF

AN40564. BOARD LAYOUTFigure 2. Top Silkscreen

AN4057Figure 3. Bottom Silkscreen

AN4058Figure 4. Top Routing

AN4059Figure 5. Bottom Routing