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SSC2005S

Sanken
Part Number SSC2005S
Manufacturer Sanken
Description PFC Controller
Published Jan 5, 2015
Detailed Description Critical Conduction Mode PFC Control IC SSC2005S General Description SSC2005S is a Critical Conduction Mode (CRM) contr...
Datasheet PDF File SSC2005S PDF File

SSC2005S
SSC2005S

Overview
Critical Conduction Mode PFC Control IC SSC2005S General Description SSC2005S is a Critical Conduction Mode (CRM) control IC for power factor correction (PFC).
Since no input voltage sensing and no auxiliary winding for inductor current detection are required, the IC allows the realization of low standby power and the low number of external components.
The product achieves high cost-performance and high efficiency PFC converter system.
Features and Benefits  Inductor Current Detection (No auxiliary winding required)  Low Standby Power (No input voltage sensing required)  Minimum Off-time Limitation Function to restrict the Rise of Operation Frequency  High Accuracy Overcurrent detection: −0.
60 V ± 5 %  Protection Functions Overcurrent Protection (OCP) ------- pulse-by-pulse Overvoltage Protection (OVP) ------------ auto restart FB Pin Undervoltage Protection (FB_UVP) -------------------------------------------------- auto restart Thermal Shutdown Protection with hysteresis (TSD) -------------------------------------------------- auto restart Typical Application Circuit VAC BR1 DBYP L1 D1 D2 R2 C1 Q1 R1 R3 RCS C2 VOUT LINE GND DZCS R4 C5 External power supply Cｆ U1 CS 5 RDLY 4 NC GND 6 RT 3 RDLY OUT 7 COMP 2 RVS1 C4 C3 RT 8 VCC FB 1 RS SSC2005S RVS2 CP C6 CS Package SOIC8 Not to scale FB 1 COMP 2 RT 3 RDLY 4 8 VCC 7 OUT 6 GND 5 CS Electrical Characteristics  VCC pin Absolute Maximum Ratings, VCC = 28 V  OUT pin source current, IOUT(SRC) = −500 mA  OUT pin sink current, IOUT(SNK) = 1000 mA Applications PFC Circuit up to 200 W of Output Power such as:  AC/DC Power Supply  Digital appliances for large size LCD/PDP television and so forth  OA equipment for Computer, Server, Monitor, and so forth  Communication facilities SSC2005S-DS Rev.
1.
3 Dec.
18, 2013 SANKEN ELECTRIC CO.
,LTD.
1 SSC2005S CONTENTS General Description ------------------------------------------------------------------------ 1 1.
Absolute Maximum Ratings--...


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