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PQ7DV10 Datasheet(PDF) 2 Page - Sharp Corporation |
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PQ7DV10 Datasheet(HTML) 2 Page - Sharp Corporation |
2 / 5 page Low Power-Loss Voltage Regulators PQ7DV10 Fig. 3 Power Dissipation vs. Ambient Temperature Fig. 4 Overcurrent Protection Characteristics(Typical Value) Fig. 1 Test Circuit Fig. 2 Test Circuit for Ripple Rejection 0 –20 0 PD1 PD2 PD1 : No heat sink PD2 : With infinite heat sink 40 20 60 80 20 10 30 40 50 60 Ambient temperature Ta (˚C) 0 5 10 15 20 100 80 40 60 20 0 Output current IO (A) Note) Oblique line portion : Overheat protection may operate in this area. Parameter Symbol Conditions Input voltage Reference voltage Reference voltage Load regulation Line regulation Temperature coefficient of output voltage Ripple rejection Dropout voltage ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current Unit MAX. TYP. NIN. 3 1.5 1.225 − − − 45 − 2 − − − − − − 1.25 0.5 0.5 ±0.01 55 − − − − − − 10 7 1.275 2 2.5 − − 0.5 − 20 0.8 –40 17 s Electrical Characteristics ❇3 In case of opening control terminal ➃,output voltage turns on. (Unless otherwise specified, conditions shall be VIN=5V, Io=5A, Vo=3V(R1=2k Ω) Ta=25˚C) VIN VO Vref RegL RegI TCVO RR Vi-o VC(ON) IC(ON) VC(OFF) IC(OFF) Iq − − − IO=5mA to 10A VIN=4 to 10V Tj=0 to 125˚C Refer to Fig. 2 VIN=3V, Io=10A − VC=2.7V − VC=0.4V IO=0A V V V % % %/˚C dB V V µA V mA mA ❇3 V A A V V A VIN VC Iq 2k Ω IO VO VC 2.7V RL 47 µF 0.33 µF + R2 R1 VIN ei eo 2k Ω IO RL 0.33 µF 47 µF + R2 R1 + Vref Vref f=120Hz(sine wave) ei(rms)=0.5V VIN=5V VO=3V(R1=2k Ω) IO=0.5A RR=20 log(ei(rms)/eo(rms)) Vo=Vref✕(1+R2/R1) [R1=2k Ω,Vref Nearly=1.25V] 1 5 2 4 3 1 5 2 4 3 |
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