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S-8813 Datasheet(PDF) 9 Page - Seiko Instruments Inc |
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S-8813 Datasheet(HTML) 9 Page - Seiko Instruments Inc |
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9 / 29 page  3-CHANNEL WHITE LED DRIVER IC (CHARGE PUMP IC WITH BUILT-IN CONSTANT-CURRENT CIRCUIT) Rev.2.1_00 S-8813 Series Seiko Instruments Inc. 9 S-881300CPE PFM control oscillator (600 kHz) ON/OFF circuit VIN C + C − IOUT1 IOUT2 IOUT3 GND CPOUT RISET Soft Start circuit Switch control circuit − + Reference voltage CPUMP=0.22 μF COUT=10 μF R1 *1 Rs Rf SW 1 SW 2 SW 3 SW 4 – + ON/OFF CIN=4.7 μF S-881300BPE PFM control oscillator (600 kHz) ON/OFF circuit VIN C + C − IOUT1 IOUT2 IOUT3 GND CPOUT VISET Soft Start circuit Switch control circuit − + Reference voltage CPUMP=0.22 μF COUT=10 μF R2 *2 Rs Rf SW 1 SW 2 SW 3 SW 4 + − ON/OFF CIN=4.7 μF *1. Current setting resistance *2. Internal resistance Figure 5 Block Diagram |
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Similar Description - S-8813 |
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