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| PQ070XZ02ZxH PQ070XZ02ZxH 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) 6.6MAX. 5.20.5 2.30.5 (0.5) 3 Epoxy resin 9.7MAX. 5.50.5 070XZ02 Lead finish identification mark 2.5MIN. (00.25) 0.5+0.2 -0.1 4-(1.27) ( 1.Peripheral equipment of personal computers 2.Power supplies for various electronic equipment such as DVD player or STB 1 2 3 4 5 ) : Typical dimensions Product mass:(0.3g) Model Line-up Output current (IO) 2A 1 3 Specific IC Package type Taping Sleeve Variable output PQ070XZ02ZPH PQ070XZ02ZZH 2 5 1 2 3 4 5 4 DC input (VIN) ON/OFF control (VC) DC output (VO) Output adjustment (Vadj) GND Absolute Maximum Ratings (Ta=25C) Parameter Symbol VIN Input voltage *1 Output control voltage VC *1 Output adjustment pin voltage Vadj Output current IO *2 Pd Power dissipation *3 Tj Junction temperature Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol *1 Lead finish:Lead-free solder plating (Composition: Sn2Cu) Rating 10 10 5 2 8 150 -40 to +85 -40 to +150 260(10s) Unit V V V A W C C C C *1 All are open except GND and applicable terminals. *2 Pd:With infinite heat sink *3 There is case that over heat protection operates at the temperature Tj:125C to 150C, so this item cannot be used in this temperature range. 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.: OP07009 (0.9) Applications (0.5) (1.7) H PQ070XZ02ZxH Electrical Characteristics (Unless otherwise specified, condition shall be VIN=5V, VO=3V(R1=1k), IO=0.5A, VC=2.7V,Ta=25C) Parameter Input voltage Output voltage Load regulation Line regulation Ripple rejection Dropout voltage Reference voltage Temperature coefficient of reference voltage 4 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 1 Unit V V % % dB V V % V A V A mA A IO=5mA to 2.0A VIN=4 to 8V,IO=5mA Refer to Fig.2 VIN=2.85V,IO=2.0A 45 0.2 0.2 60 Tj=0 to 125C, IO=5mA 4 - - 0.5 1.275 1.225 2.0 1.25 1.0 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 IO=0A IO=0A, 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 ~ 3 R2 + VC 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.: OP07009 2 PQ070XZ02ZxH Fig.3 Power Dissipation vs. Ambient Temperature 10 Fig.4 Overcurrent Protection Characteristics 3.0 VO=3.0V VIN=10.0V VIN=4.5V VIN=5.5V VIN=5.0V Power dissipation PD (W) Output voltage VO (V) 8 PD : With infinite heat sink 2.5 2.0 1.5 1.0 5 VIN=7.0V 0.5 0 -40 -20 0 20 40 60 80 100 120 140 150 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Ambient temperature Ta (C) Output current IO (A) Note) Oblique line portion:Overheat protection may operate in this area. Fig.5 Power Dissipation vs. Ambient Temperature (Typical Value) Cu area 740mm2 Cu area 180mm2 Cu area 100mm2 Cu area 70mm2 Cu area 36mm2 0.5 Material Glass-cloth epoxy resin Size 50x50x1.6mm Cu thickness35m PWB PWB Cu Power dissipation PD (W) 2.0 1.5 1.0 0 -40 -20 0 20 40 60 80 Ambient temperature Ta (C) Fig.6 Output Voltage Adjustment Characteristics (Typical Value) 10 9 R1=1k Output voltage VO (V) 8 7 6 5 4 3 2 1 0 100 103 104 R2 () Sheet No.: OP07009 3 PQ070XZ02ZxH Fig.7 Typical Application DC input 1 3 R2 VIN + VO 2 CIN 5 4 R1 1k CO + Load ON/OFF signal HighOutput ON Low or OpenOutput 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.6. VO R2 - 3 4 + 5 R1 Vref VO=Vref x (1+R2/R1) [R1=1k, Vref1.25V] Sheet No.: OP07009 4 |
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