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Samsung S3F84B8 Design Manual Manual pdf 12 page image

Samsung S3F84B8 Design Manual

Also see for S3F84B8: User manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. OVERVIEW OF IH COOKER (IHC)
  4. Key Features of S3F84B8
  5. System Principle
  6. HARDWARE IMPLEMENTATION
  7. Table 2-1 S3F84B8 pin assignment in IH cooker system
  8. Power Supply
  9. Synchronization Circuit
  10. Figure 2-4 Waveform of the Synchronization Circuit
  11. Power control
  12. Current Measurement
  13. System Protection
  14. Temperature Protection
  15. Other Functions
  16. Key and Display Circuit
  17. SOFTWARE IMPLEMENTATION
  18. Software Diagram
  19. Internal Resource Arrangement and Configuration
  20. Error Code
Samsung S3F84B8 Design Manual Manual pdf 12 page image
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION2-62.2 POWER SUPPLYFigure 2-2 shows the circuit diagram for power supply.1 564 8T1EE-19D5UF4007D48D37D26D15S1 1S2 2FB 3VDD 4U1VIPER12A220 VAC D11N4007+ C810uF/50VVIN 1GND 2VOUT 3IC178L05D7 UF4007Z118V+ C6100uF/25V+ C24.7uF/450VC1102/1KVR1100K/0.5W+ C21100uF/25V+ C13100uF/16VAC_L+5VD2UF4007AC_ND61N4007C3104D71N4007D4 UF4007L1330uH+18VFigure 2-2 Power Supply CircuitThe power circuit contains a transformer, an SMPS primary switcher, and a +5V DC regulator. After passingthrough a half-wave rectifier and an LC filter, the 220V AC power enters the primary side of transformer.Thereafter, VIPER12 and 78L05 produce stable +18V DC power for the transistors and +5V DC power for theMCU and other devices.
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