PQ070XZ02ZxH PQ070XZ02ZxH Low Voltage Operation Low Power-loss Voltage Regulator ■ Outline Dimensions Features (Unit : mm) 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.5μA 3.Low power-loss (Dropout voltage: MAX.0.5V) 4.Built-in overcurrent and overheat protection functions 5.RoHS directive compliant 2.3±0.5 6.6MAX. 5.2±0.5 (0.5) 3 (1.7) H (0～0.25) 0.5+0.2 -0.1 Applications (0.5) 4–(1.27) 1.Peripheral equipment of personal computers 2.Power supplies for various electronic equipment such as DVD player or STB ( (0.9) 5.5±0.5 Lead finish identification mark 2.5MIN. 9.7MAX. Epoxy resin 070XZ02 ) : Typical dimensions Product mass:(0.3g) 1 Model Line-up 2 3 4 5 1 3 Specific IC Output current (IO) 2A Package type Taping Sleeve 2 Variable output 4 5 1 2 PQ070XZ02ZPH 3 4 PQ070XZ02ZZH 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=25°C) 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 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:125°C to 150°C, 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 PQ070XZ02ZxH Electrical Characteristics (Unless otherwise specified, condition shall be VIN=5V, VO=3V(R1=1kΩ), IO=0.5A, VC=2.7V,Ta=25˚C) Symbol Conditions MIN. TYP. MAX. Unit Input voltage VIN 2.35 V VO Load regulation RegL IO=5mA to 2.0A Line regulation RegI VIN=4 to 8V,IO=5mA - - 10 Output voltage - Ripple rejection RR Refer to Fig.2 45 Dropout voltage VI-O VIN=2.85V,IO=2.0A Reference voltage Vref - Temperature coefficient of reference voltage TCVref Tj=0 to 125°C, IO=5mA ON-state voltage for control VC(ON) ON-state current for control IC(ON) - OFF-state voltage for control VC(OFF) IO=0A OFF-state current for control IC(OFF) IO=0A, VC=0.4V Iq Iqs VC=0.4V Parameter 4 Quiescent current Output OFF-state consumption current 4 1.5 7 V 0.2 2 % 0.2 1 % 60 - - dB 0.5 V 1.225 1.25 1.275 V - ±1.0 - % 200 μA - 4 2.0 - IO=0A 1 - V 0.8 V 2 2 μA mA 5 μA In case of opening control terminal ② , output voltage turns off. Fig.1 Test Circuit VIN VO 3 1 R2 VC 2 + 4 IO + 5 A 0.33μF A Vref V 47μF IC A R1 1kΩ Iq V RL VO=Vref×(1+R2/R1) [R1=1kΩ,Vref≒1.25V] Fig.2 Test Circuit for Ripple Rejection + 3 1 ei ~ R2 + VIN VC 4 2 Vref 5 0.33μF IO eo + 47μF V ~ RL R1 1kΩ 2.7V f=120Hz sine wave ei(rms)=0.5V VO=3V(R1=1kΩ) VIN=5V IO=0.3A RR=20log(ei(rms)/eo(rms)) Sheet No.: OP07009 2 PQ070XZ02ZxH Fig.4 Overcurrent Protection Characteristics Fig.3 Power Dissipation vs. Ambient Temperature 3.0 Power dissipation PD (W) 10 PD : With infinite heat sink 2.5 Output voltage VO (V) 8 VO=3.0V 5 VIN=10.0V VIN=4.5V 2.0 VIN=5.5V 1.5 VIN=5.0V 1.0 VIN=7.0V 0.5 0 -40 -20 0 0 20 40 60 80 100 120 140 150 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Output current IO (A) Ambient temperature Ta (°C) Note) Oblique line portion:Overheat protection may operate in this area. Power dissipation PD (W) Fig.5 Power Dissipation vs. Ambient Temperature (Typical Value) 2.0 1.5 1.0 Cu area 740mm2 Cu area 180mm2 Cu area 100mm2 Cu area 70mm2 PWB PWB Cu Cu area 36mm2 0.5 0 -40 Material ：Glass-cloth epoxy resin Size ：50×50×1.6mm Cu thickness：35μm -20 0 20 40 60 80 Ambient temperature Ta (°C) Fig.6 Output Voltage Adjustment Characteristics (Typical Value) 10 R1=1kΩ Output voltage VO (V) 9 8 7 6 5 4 3 2 1 0 100 103 104 R2 (Ω) Sheet No.: OP07009 3 PQ070XZ02ZxH Fig.7 Typical Application DC input 1 VO 3 R2 VIN + 2 CO + 4 CIN Load 5 R1 1kΩ 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 ③,④,⑤ terminals. As for the external resistors to set output voltage, refer to the figure below and Fig.6. VO 3 R2 - 4 R1 + 5 Vref VO=Vref × (1+R2/R1) [R1=1kΩ, Vref≒1.25V] Sheet No.: OP07009 4