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S-8358GxxMC Datasheet(PDF) 2 Page - Seiko Instruments Inc |
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S-8358GxxMC Datasheet(HTML) 2 Page - Seiko Instruments Inc |
2 / 72 page STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8355/56/57/58 Series Rev.8.1_01 2 Block Diagrams (1) S-8357/58 Series B, H and F Types (Without Shutdown Function) (2) S-8357/58 Series B, H, F and N Types (With Shutdown Function) VOUT EXT VSS PWMcontrol circuit or PWM / PFM switching control circuit Oscillation circuit Soft start built-in reference power supply Phase compensation circuit IC internal power supply + − VOUT VSS EXT Phase compensation circuit Soft start built-in reference power supply PWMcontrol circuit or PWM / PFM switching control circuit Oscillation circuit OFF / ON IC internal power supply + − Figure 1 Figure 2 (3) S-8357/58 Series E, J, G and P Types (VDD / VOUT Separate Type) (4) S-8355/56 Series K, L, M and Q Types (With Shutdown Function, VDD / VOUT Separate Type) EXT VSS Oscillation circuit PWMcontrol circuit or PWM / PFM switching control circuit Soft start built-in reference power supply VOUT VDD Phase compensation circuit IC internal power supply + − EXT VDD VOUT VSS Oscillation circuit PWMcontrol circuit or PWM / PFM switching control circuit + − Soft start built-in reference power supply Phase compensation circuit IC internal power supply OFF / ON Figure 3 Figure 4 |
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Similar Description - S-8358GxxMC |
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