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LR8 데이터시트(PDF) 4 Page - Supertex, Inc |
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LR8 데이터시트(HTML) 4 Page - Supertex, Inc |
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4 / 11 page ![]() 4 LR8 Typical Application Circuits LR8 VIN=15V to 450V V OUT ADJ V IN * R1 6.04KΩ ±1% R2 18.2KΩ ±1% C2 1.0µF C1 RLOAD ≤16.5KΩ VOUT=5.0V VOUT = 1.20V 1+ R2 R1 + IADJR2 PWM IC LR8 Vout1 Vout2 + + - - Vcc VAuxiliary VIN=15V to 450V V OUT ADJ V IN FB LR8 VIN = 15V to 450V VOUT ADJ VIN R Load IOUT = 1.20V R + - 1µF Figure 1: High Input Voltage, 5.0V Output Linear Regulator * Required for conditions where VIN is less than VOUT. Figure 2: SMPS Start-Up Circuit Figure 3: High Voltage Adjustable Constant Current Source |
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