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SN03AAP

On-Bright
Part Number SN03AAP
Manufacturer On-Bright
Description High Power Factor Flyback PWM Controller
Published Jul 27, 2014
Detailed Description High Power Factor Flyback PWM Controller SN03A Product Specification GENERAL DESCRIPTION SN03A is a high power factor...
Datasheet PDF File SN03AAP PDF File

SN03AAP
SN03AAP

Overview
High Power Factor Flyback PWM Controller SN03A Product Specification GENERAL DESCRIPTION SN03A is a high power factor flyback PWM controller special for lighting applications.
SN03A features an internal start-up timer for stand-alone applications, an analog multiplier with for power factor correction (PFC), zero current detector (ZCD) to ensure TM operation, a current sensing comparator with built-in leading-edge blanking, and a totem pole output ideally suited for driving a power MOSFET.
SN03A offers great protection coverage including system VCC under voltage lockout (UVLO),VCC over voltage protection, Cycle-by-cycle current limiting, and gate drive output clamping for external power MOSFET protection.
FEATURES • • • • • • • • • • • • Low Start-up Current and Operating Current Cycle-by-Cycle Current Limiting Internal Leading Edge Blanking Analog multiplier for Power Factor Correction Internal Startup Timer for Stand-alone Applications Trimmed 1.
5% Internal Band gap Reference Under Voltage Lockout with Hysteresis VCC over voltage protection Transition Mode (TM) Operation Totem Pole Output with High State Clamping Audio Noise Free 11V to 32V wide range of VCC voltage APPLICATIONS • • Single Stage High PF Flyback AC/DC SMPS LED Lighting Power TYPICAL APPLICATION ©On-Bright Electronics Confidential -1- Preliminary Datasheet OB_DOC_DS_SN03A00 High Power Factor Flyback PWM Controller SN03A GENERAL INFORMATION Terminal Assignment In SOP8 or DIP8 Package.
FB 1 8 VCC COMP 2 7 GD MULT 3 6 GND CS 4 5 ZCD Ordering Information Part Number Description SN03AAP 8 Pin DIP, Pb free in Tube SN03ACP 8 Pin SOP, Pb free in Tube SN03ACPA 8 Pin SOP, Pb free in T&R Package Dissipation Rating Package RθJA (℃/W) DIP8 90 SOP8 150 Absolute Maximum Ratings Symbol Parameter DC Supply VCC voltage Zero Current I_ZCD Detector Max.
Current CS FB Analog inputs COMP & outputs MULT Maximum Operating Tj Junction Temperature Min/Max Tstg Storage Temperature Lead (Soldering, Tem...


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