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PQ20VZ1U Datasheet(PDF) 2 Page - Sharp Corporation |
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PQ20VZ1U Datasheet(HTML) 2 Page - Sharp Corporation |
2 / 7 page Low Power-Loss Voltage Regulators PQ20VZ51/PQ20VZ11 Fig.1 Test Circuit Fig.2 Test Circuit of Ripple Rejection Parameter Symbol Conditions Vi VO RegL RegI RR Vref TCVref Vi-O Iq VC(ON) IC(ON) VC(OFF) IC(OFF) Iqs Input voltage Output voltage Load regulation Line regulation Ripple rejection Reference voltage Temperature coefficient of reference voltage Dropout voltage Quiescent current ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Output OFF-state consumption current Unit MAX. TYP. MIN. 4.5 1.5 − − 45 1.225 − − − 2.0 − − − − VO=1.5V R2=225 Ω to 14.6kΩ ❇5 VIN=11 to 21V, IO=5mA Refer to Fig. 2 ❇4 Tj=0 to 125˚C, Io=5mA ❇4,❇6 IO=0 − − IO=0 − VC=0.4V − − 0.2 0.2 60 1.25 ±1.0 0.2 4 − − − − − − 20 2.0 2.5 − 1.275 − 0.5 7 − 200 0.8 2.0 5.0 s Electrical Characteristics ❇4 PQ20VZ51:Io=0.3A, PQ20VZ11:Io=0.5A ❇5 PQ20VZ51:Io=5mA to 0.5A, PQ20VZ11:Io=5mA to 1.0A ❇6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. ❇7 In case of opening control terminal ➁, output voltage turns off. Unless otherwise specified, VIN=12V, Vo=10V,❇4, R1=1k Ω, Vc=2.7V(Ta=25˚C) V V % % dB V % V mA V µA V µA µA V A A V V A VIN VC Iq IC 1k Ω IO VO VC RL 47 µF 0.33 µF 47 µF + R2 R1 VIN ei eo 1k Ω IO RL 0.33 µF 47 µF + R2 R1 + VO=Vref × 1+ ––––– R2 R1 [R1=1k Ω,Vref Nearly=1.25V] f=120Hz(sine wave) ei(rms)=0.5V IO=0.3A RR=20 log(ei(rms)/eo(rms)) 1 2 3 4 5 1 2 3 4 5 |
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