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PQ05RF1 Datasheet(PDF) 6 Page - Sharp Corporation |
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PQ05RF1 Datasheet(HTML) 6 Page - Sharp Corporation |
6 / 8 page Low Power-Loss Voltage Regulators PQ05RF1 Series Fig.19 Ripple Rejection vs. Input Ripple Frequency (PQ05RF1/PQ05RF11/PQ09RF1/PQ09RF11/PQ12RF1/PQ12RF11) Fig.21 Ripple Rejection vs. Output Current Fig.20 Ripple Rejection vs. Input Ripple Frequency (PQ05RF1V/PQ09RF1V/PQ12RF1V) s Typical Application 0 0.1 10 1 100 10 20 30 40 50 60 70 80 Input ripple frequency f (kHz) IO=0.5A,ei(rms)=0.5V, VIN=7V(PQ05RF11/PQ05RF11) VIN=15V(PQ09RF11/PQ09RF11) VIN=18V(PQ12RF11/PQ12RF11) 0 0.1 10 1 100 10 20 30 40 50 60 70 80 Input ripple frequency f (kHz) IO=0.5A,ei(rms)=0.5V, Cref=3.3 µF VIN= 7V(PQ05RF1V) VIN= 15V(PQ09RF1V) VIN= 18V(PQ12RF1V) 30 0 0.5 1.0 40 50 60 70 80 Output current IO (A) f=120Hz,ei(rms)=0.5V, Cref=3.3 µF(V Type) VIN= 7V(PQ05RF1 Series) VIN= 15V(PQ09RF1 Series) VIN= 18V(PQ12RF1 Series) PQ05RF1V/PQ09RF1V/PQ12RF1V PQ05RF1/PQ05RF11 PQ09RF1/PQ09RF11 PQ12RF1/PQ12RF11 Specific IC + + Specific IC + + + High or Open : Output ON Low : Output OFF VIN VO CO ON/OFF signal CMOS or TTL VIN VO Cref CO R1 R2 R1' R2' VO=Vref × 1+ –––––––– • –––––––– R2' ×R2 R2'+R2 R1'+R1 R1' ×R1 Vref Nearly=1.26V,R1' Nearly=390 Ω PQ05RF1V : R2' Nearly=1.16k Ω PQ09RF1V : R2' Nearly=2.40k Ω PQ12RF1V : R2' Nearly=3.32k Ω (Note)R1' and R2' are built in a specific IC. PQ05RF1/PQ05RF11 Series PQ05RF1V Series 1 2 3 4 1 2 3 4 |
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