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| PQ070XZ1HZxH PQ070XZ1HZxH Low Voltage Operation Low Power-loss Voltage Regulator Features 1.Low voltage operation (Minimum operating voltage: 2.35V) 2.Low dissipation current Dissipation current at no load: MAX.2mA Output OFF-state dissipation current: MAX.5A 3.Low power-loss (Dropout voltage: MAX.0.5V) 4.Built-in overcurrent and overheat protection functions 5.RoHS directive compliant Outline Dimensions (Unit : mm) 6.6 5.2 MAX. 2.30.5 (0.5) 3 0.5 Epoxy resin 5.50.5 070XZ1H 9.7MAX. Lead finish identification markaa 2.5MIN. (00.25) 0.5+0.2 -0.1 (0.5) Applications 1.Power supplies for personal computers and peripheral equipment 2.Power supplies for various electronic equipment such as DVD player or STB 4-(1.27) ( ) : Typical dimensions Product mass:(0.3g) 1 2 3 4 5 1 3 Model Line-up Output current (IO) 1.5A Specific IC 2 5 4 Package type Taping Sleeve 1 Model No. PQ070XZ1HZPH PQ070XZ1HZZH 2 3 4 5 DC input (VIN) ON/OFF control (VC) DC output (VO) Output adjustment (VADJ) GND Lead finish:Lead-free solder plating (Composition: Sn2Cu) Absolute Maximum Ratings (Ta=25C) Parameter *1 Input voltage Symbol VIN *1 ON/OFF control terminal voltage VC *1 Output adjustment terminal voltage VADJ Output current IO *2 Power dissipation PD *3 Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol Rating Unit 10 V 10 V V 5 A 1.5 8 W 150 C -40 to +85 C -40 to +150 C 260(10s) C *1 All are open except GND and applicable terminals. *2 PD:With infinite heat sink *3 Overheat protection may operate at Tj:125C to 150C Notice The content of data sheet is subject to change without prior notice. 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 device specification sheets before using any SHARP device. 1 Sheet No.: OP06020 (0.9) (1.7) H PQ070XZ1HZxH Electrical Characteristics Parameter Input voltage Output voltage Load regulation Line regulation Ripple rejection Dropout voltage Reference voltage Temperature coefficient of reference voltage ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current Output OFF-state consumption current 4 (Unless otherwise specified,condition shall be VIN=5V,VO=3V(R1=1k),IO=0.5A,VC=2.7V,Ta=25C) Symbol VIN VO RegL RegI RR VI-O Vref TCVref VC(ON) IC(ON) VC(OFF) IC(OFF) Iq Iqs Conditions MIN. 2.35 1.5 TYP. MAX. 10 7 2.0 1.0 Unit V V % % dB V V % V A V A mA A IO=5mA to 1.5A VIN=4 to 8V,IO=5mA Refer to Fig.2 VIN=3.3V,IO=1.25A 45 0.2 0.2 60 - 1.225 1.25 1.0 - 1.0 1.275 Tj=0 to 125C, IO=5mA 4 2.0 IO=0mA IO=0mA, VC=0.4V IO=0A VC=0.4V - 1 200 0.8 2 2 5 - In case of opening control terminal , output voltage turns off. Fig.1 Test Circuit VIN VO 1 3 R2 A + 47F A Iq R1 1k V RL IO VC + 0.33F A IC 2 5 4 Vref V VO=Vrefx(1+R2/R1) [R1=1k,Vref1.25V] Fig.2 Test Circuit for Ripple Rejection + 1 ei ~ VC 3 R2 + 2 5 4 IO + eo V ~ Vref VIN 0.33F 2.7V 47F R1 1k RL f=120Hz sine wave ei(rms)=0.5V VO=3V(R1=1k) VIN=5V IO=0.3A RR=20log(ei(rms)/eo(rms)) Sheet No.: OP06020 2 PQ070XZ1HZxH Fig.3 Power Dissipation vs. Ambient Temperature 10 Fig.4 Overcurrent Protection Characteristics 3 V IN =10V Output voltage VO (V) Power dissipation PD (W) 8 PD : With infinite heat sink 2.5 2 1.5 V IN =7V V IN =5.5V V IN =4.5V V IN =5V 5 1 0.5 0 -40 -20 0 0 20 40 60 80 100 120 140 150 0 Ambient temperature Ta (C) 0.5 1 1.5 2 Output current IO (A) 2.5 Note) Oblique line portion:Overheat protection may operate in this area. Fig.5 Reference Voltage vs. Junction Temperature 1.26 Reference voltage Vref(V) Fig.6 Output Voltage vs. Input Voltage 3.5 RL=(IO=0A) 1.255 Output voltage VO(V) 3 RL=4(I O=0.75A) 2.5 RL=2(I O=1.5A) 2 1.5 1 0.5 0 0 1 2 3 V C =2.7V T a=Room temp. R1=1k R2=1.4k (V O=3V) C IN =0.33F C O=47F 4 5 1.25 1.245 1.24 1.235 V IN =4V VC=2.7V I O=0.5V R1=1k R2=1.4k 1.23 50 25 0 25 50 75 100 125 Junction temperature Tj (C) Input voltage VIN(V) Fig.7 Circuit Operating Current vs. Input Voltage 30 Fig.8 Dropout Voltage vs. Junction Temperature V IN =2.35V 0.35 V C =2.7V I O=1.25V 0.3 R1=1k R2=1.4k 0.25 0.2 0.15 0.1 0.05 0 50 25 0 25 50 75 100 125 Junction temperature Tj (C) 0.4 Circuit operating current IBIAS(mA) RL=2 (IO=1.5A) 10 RL=4 (IO=0.7.5A) RL= (I O=0A) 0 0 1 2 3 4 Input voltage VIN(V) 5 Dropout voltage VI-O(V) V C =2.7V T a=Room temp. R1=1k R2=1.4k (V O=3V) 20 C IN =0.33F C O=47F Sheet No.: OP06020 3 PQ070XZ1HZxH Fig.9 Quiescent Current vs. Junction Temperature 1.4 Quiescent current Iq(mA) Fig.10 Ripple Rejection vs. Input Ripple Frequency 75 70 65 60 ei(rms) =0.5V 55 V IN =5V VC=2.7V 50 I O=0.3A C O=47F 45 T a=Room temp. R1=1k 40 R2=1.4k 35 (V O=3V) 0.1 1 10 Input ripple frequency f (kHz) 1 0.8 0.6 0.4 0.2 VIN =4V V C =2.7V I O=0A R1=1k R2=1.4k 0 50 25 0 25 50 75 100 125 Junction temperature Tj (C) Ripple rejection RR (dB) 1.2 100 Fig.11 Ripple Rejection vs. Output Current 80 Ripple rejection RR (dB) 75 70 65 60 55 50 45 40 0 0.25 ei(rms) =0.5V f=120Hz V IN =5V, V C =2.7V C O=47F T a=Room temp. R1=1k R2=1.4k (V O=3V) 0.5 0.75 1 1.25 Output current IO(A) 1.5 Fig.12 Power Dissipation vs. Ambient Temperature (Typical Value) Cu area 740mm 2 Cu area 180mm 2 Cu area 100mm 2 Cu area 70mm 2 Cu area 36mm 2 0.5 0 40 20 0 20 40 60 Ambient temperature Ta(C) : Glass-cloth epoxy resin Material : 50x50x1.6mm Size Cu thickness : 35m Mounting PCB PCB Cu Power dissipation PD(W) 2.0 1.5 1.0 80 Sheet No.: OP06020 4 PQ070XZ1HZxH Fig.13 Output Voltage Adjustment Characteristics (Typical Value) 10 9 8 7 6 5 4 3 2 1 0 100 R1=1k Output voltage VO(V) 103 R2 () 104 Typical Application DC input 1 3 R2 VO VIN + CIN 2 5 4 CO + Load R1 1k ON/OFF signal High:Output ON Low or open:Output OFF Setting of Output Voltage Output voltage is able to set from 1.5V to 7V when resistors R1 and R2 are attached to ,, terminals. As for the external resistors to set output voltage, refer to the figure below and Fig.13. 3 VO R2 + 4 R1 5 Vref VO=Vrefx(1+R2/R1) [RL=1k, Vref1.25V] Sheet No.: OP06020 5 |
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