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S-8333CCAA-T8T1y Datasheet(PDF) 30 Page - Seiko Instruments Inc |
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S-8333CCAA-T8T1y Datasheet(HTML) 30 Page - Seiko Instruments Inc |
30 / 44 page STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL, PWM CONTROL SWITCHING REGULATOR CONTROLLER S-8333 Series Rev.4.2_01 30 2. Reference data (1) The data of (a) output current (IOUT) vs. efficiency ( η) characteristics and (b) output current (IOUT) vs. output voltage (VOUT) characteristics is shown below. 2. 1 VOUT = 13.1 V (RFB1 = 7.5 kΩ, RFB2 = 620 Ω) (1) fOSC = 1080 kHz, MaxDuty = 73% (ROSC = 120 kΩ, RDuty = 180 kΩ) (a) IOUT vs. η (b) IOUT vs. VOUT 0.01 1 10 100 1000 100 90 80 70 60 50 40 30 20 10 0 IOUT [mA] 0.1 VIN = 5.0 V 0.01 1 10 100 1000 13.20 13.15 13.10 13.05 13.00 12.95 12.90 IOUT [mA] 0.1 VIN = 5.0 V (2) fOSC = 650 kHz, MaxDuty = 73% (ROSC = 200 kΩ, RDuty = 300 kΩ) (a) IOUT vs. η (b) IOUT vs. VOUT 0.01 1 10 100 1000 100 90 80 70 60 50 40 30 20 10 0 IOUT [mA] 0.1 VIN = 5.0 V 0.01 1 10 100 1000 13.20 13.15 13.10 13.05 13.00 12.95 12.90 IOUT [mA] 0.1 VIN = 5.0 V (3) fOSC = 280 kHz, MaxDuty = 73% (ROSC = 470 kΩ, RDuty = 750 kΩ) (a) IOUT vs. η (b) IOUT vs. VOUT 0.01 1 10 100 1000 100 90 80 70 60 50 40 30 20 10 0 IOUT [mA] 0.1 VIN = 5.0 V 0.01 1 10 100 1000 13.20 13.15 13.10 13.05 13.00 12.95 12.90 IOUT [mA] 0.1 VIN = 5.0 V |
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