PQ7DV10 SHARP | Alldatasheet
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“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ” Low Power-Loss Voltage Regulators PQ7DV10 n Outline Dimensions PQ7DV10 (Unit : mm) Parameter Symbol Rating Unit V IN V C V ADJ IO PD1 PD2 T j T opr T stg T sol 2.2 150 -20 to +80 -40 to +150 260 (For 10s) V V V A W W Input voltage ON/OFF control terminal voltage Output adjustment terminal voltage Output current Power dissipation (No heat sink) Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature All are open except GND and applicable terminals. *2 Overheat protection may operate at 125=<Tj=<150˚C. n Absolute Maximum Ratings (Ta=25˚C) Variable Output, (1.5 to 7V) 10A Output Low Power-loss Voltage Regulator n Feature \ 10A output type \ Low power-loss (Dropout voltage : MAX.0.5V at Io= 10A) \ Variable output type (1.5 to 7V) \ Low operating voltage (Minimum input voltage : 3.0V) \ High-precision reference voltage type (Reference voltage precision : ±2.0%) \ TO-3P package \ Built-in ON/OFF control function \ Built-in overcurrent protection, overheat protection function n Applications \` Power supplies for various electronic equipment such as personal computers PQ7DV10 1 2 IC chip PNP T r chip Reference voltage Comparator Controller
1 DC input (VIN)
2,6 DC output (VO )
3 GND
4 ON/OFF control
terminal (VC )
5 Output voltage minute
adjustment terminal (VADJ ) 4.5±0.217.0MAX 2.0±0.2 12345 39.0MAX 19±0.5 5±0.2 3.7MAX 17.0MIN 4-(2.54) 5-0.8±0.2 (0.6) (1.4)
- Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators 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 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 UnitMAX.TYP.NIN. 1.5 1.225 1.25 0.5 0.5 ±0.01 1.275 2.5 0.5 0.8 - 40 n Electrical Characteristics *3 In case of opening control terminal 4,output voltage turns on. (Unless otherwise specified, conditions shall be V IN=5V, Io=5A, Vo=3V(R1=2k Ω ) Ta=25˚C) V IN V O V ref R egL R egI T C V O RR V i-o V C (ON) IC (ON) V C (OFF) IC (OFF) Iq I O =5mA to 10A V IN=4 to 10V T j=0 to 125˚C V IN=3V, Io=10A V C =2.7V V C =0.4V IO =0A V V V %/˚C dB V V µA V mA mA V~l3 l2l1 l4 l5 AA V V A V IN V C Iq 2kΩ IO V O V C 2.7V R L 47µF0.33µF R 2 R 1 l2l1 l4 l5 V IN ei eo 2kΩ IO R L 0.33µF 47µF R 2 R 1 V ref V ref f=120Hz (sine wave) ei=0.5Vrms V IN=5V V O =3V (R1=2k Ω ) IO =0.5A RR=20 log (ei/eo) V o=V ref X (1+R 2/R1) =1.25 X (1+R 2/R1) [R1=2k Ω ,Vref =1.25V] -20 0 PD1 PD2 PD1 :No heat sink PD2 :With infinite heat sink 4020 60 80 60Power dissipation PD (W) Ambient temperature Ta (˚C) 0 5 10 15 20 100 Relative output voltage (%) Output current IO (A) Note) Oblique line portion:Overheat protection may operate in this area. PQ7DV10
Low Power-Loss Voltage Regulators PQ7DV10 Fig.5 Output Voltage Adjustment Characteristics Fig.6 Output Voltage Deviation vs. Junction Temperature Fig.7 Output Voltage vs. Input Voltage Fig.9 Dropout Voltage vs. Junction Temperature Fig.8 Circuit Operating Current vs. Input Voltage Fig.10 Ripple Rejection vs. Junction Temperature Output voltage VO (V) 102 103 104 R 1=2k Ω R 2 (Ω ) -10 -25 0 25 50 75 100 125 V IN=5V V O =3V(R 1=2k Ω ,R2=2.8kΩ ) IO =2.5A Output voltage deviation ΔV O (mV) Junction temperature Tj (˚C) 01 2345 R L =∞ R L =0.6Ω R L =0.3Ω Output voltage VO (V) Input voltage VIN (V) T a =25˚C V O =3V(R 1=2k Ω ,R2=2.8kΩ ) 05 2413 160 120 R L =∞ R L =0.3Ω R L =0.6Ω Circuit operating current IBIAS (mA) Input voltage VIN (V) T a =25˚C V O =3V(R 1=2k Ω ,R2=2.8kΩ ) -25 0 50 25 100 75 125 0.5 0.4 0.2 0.3 0.1 Dropout voltage Vi-O (V) Junction temperature Tj (˚C) V O =3V(R 1=2k Ω ,R2=2.8kΩ ) V IN :Input voltage when output voltage is 95% in comparison with the initial value -25 0 50 25 100 75 125 100 Ripple rejection RR (dB) Junction temperature Tj (˚C) V IN=7V V O =3V(R 1=2k Ω ,R2=2.8kΩ ) IO =0.5A,ei=0.5Vrms f=120Hz
Low Power-Loss Voltage Regulators Fig.12 Ripple Rejection vs. Input Ripple Frequency n Typical Application PQ7DV10 Fig.11 Quiescent Current vs. Junction Temperature -25 0 25 50 75 100 125 V IN =5V V O =3V(R 1=2k Ω ,R2=2.8kΩ ) IO =0A 20Quiescent current Iq (mA) Junction temperature Tj (˚C) 0.1 10 1 100 100 Input ripple frequency f (kHz) Ripple rejection RR (dB) V IN=5V V O =3V(R 1=2k Ω ,R2=2.8kΩ ) Io=0.5A,ei=0.5Vrms , T a =25˚C l3l4 Load2kΩR 1 R 2 C O V O C IN V IN High or Open :Output ON Low :Output OFF ON/OFF Signal