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| PQ070XF02SZH PQ070XF02SZH TO-220 Type,Low Voltage Operation Low Power-Loss Voltage Regulators Features 1.Low voltage operation (Minimum operating voltage: 2.35V) 2.Low dissipation current (Dissipation current at no load: MAX. 2mA) 3.Low power-loss Dropout voltage: MAX.0.5V at IO=2A 4.Built-in overcurrent and overheat protection functions 5.RoHS directive compliant Outline Dimensions (Unit : mm) 3.60.2 (1.5) 10.2MAX. 4.50.2 2.80.2 (6.8) 7.40.2 4-(o1.4) 070XF02 Lead finish identification mark Epoxy resin 29.1MAX. H 4-1.4 +0.3 -0 13.5MIN. (1.5) 1.Power supplies for personal computers and peripheral equipment 2.Power supplies for various electronic equipment such as DVD player or STB 3.LBP 1 2 3 4 (0.5) 3-(2.54) ( ) : Typical dimensions Product mass:(1.6g) Internal connection diagram Absolute Maximum Ratings (Ta=25C) Symbol VIN *1 Output adjustment terminal voltage VADJ IO Output current PD1 *2 Power dissipation PD2 *3 Tj Junction temperature Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol Parameter *1 Input voltage Rating Unit V 10 5 V A 2.0 1.4 W 15 150 C -40 to +85 C -40 to +150 C 260(10s) C 1 DC input (VIN) DC output (VO) GND Output voltage adjustment (VADJ) 2 Specific IC 4 3 Lead finish:Lead-free solder plating (Composition: Sn2Cu) *1 All are open except GND and applicable terminals. *2 PD1: No heat sink,PD2: 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.: OP06068 4.8MAX. Applications 4-0.6 +0.2 -0.1 15.60.5 o3.20.1 PQ070XF02SZH Electrical Characteristics Parameter Input voltage Output voltage Reference voltage Load regulation Line regulation Ripple rejection Dropout voltage Quiescent current Symbol VIN VO VREF RegL RegI RR VI-O Iq (Unless otherwise specified,condition shall be VIN=5V,VO=3V(R1=1k),IO=1A,Ta=25C) Conditions MIN. 2.35 1.5 1.225 TYP. MAX. 10 7 1.275 2.0 1.0 Unit V V V % % % dB V mA IO=5mA to 2A VIN=4 to 8V, IO=5mA Tj=0 to +125C, IO=5mA Refer to Fig.2 VIN=2.85V,IO=2A IO=0A 1.250 0.2 0.2 1.0 60 Temperature coefficient of reference voltage TCVREF 45 0.5 2 - 1.3 Fig.1 Test Circuit Fig.2 Test Circuit of Ripple Rejection VIN 0.33 F 1 2 47 F R2 V ref R1 VO 0.33 F 1 2 + A + IO R2 ei VIN + + 3 4 V RL 3 4 47 F R1 1k IO + V RL eo A I q 1k V R2 VO=Vref x 1+ ----- R1 [R 1=1k ,V ref Nearly=1.25V] f=120Hz(sine wave) ei(rms) =0.5V I O=0.3A RR=20 log(e i(rms) /e o(rms) ) VIN =5V VO=3.0V(R 1=1k ) Fig.3 Power Dissipation vs. Ambient Temperature 20 Fig.4 Overcurrent Protection Characteristics (Typical Value) 3 Power dissipation PD (W) Output voltage VO (V) 15 PD1:No heat sink PD2:With infinite heat sink PD2 2.5 VIN=10V VIN=7V 2 VIN=9V VIN=5V 10 1.5 1 0.5 R1=1k, 0 R2=1.4k (Vo=3V) 5 1.4 0 -40 -20 0 PD1 25 50 75 85 100 125 150 0 1 2 3 4 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area. Output current IO (A) Sheet No.: OP06068 2 PQ070XF02SZH Fig.5 Reference Voltage vs. Junction Temperature Reference voltage VREF(V) VIN=5V Io=0A 1.265 CIN=0.33F 1.26 CO=4.7F Vo=3V Fig.6 Output Voltage vs. Input Voltage R1=1k, R2=1.4k 2.5 (Vo=3V) CIN=0.33F CO=4.7F 2 Ta=Room Temp 1.27 3 1.255 1.25 1.245 1.24 1.235 1.23 -40 -25 0 25 50 75 100 125 Output Voltage VO (V) RL=(IO=0A) RL=3(IO=1A) RL=1.5(IO=2A) 1.5 1 0.5 0 0 1 2 3 4 5 Junction temperature Tj (C) Input Voltage VIN (V) Fig.7 Circuit Operating Current vs. Input Voltage 50 Fig.8 0.5 Dropout Voltage vs. Output Current Circuit operating current IBIAS(mA) 30 Dropout voltage Vi-O(V) R1=1k, R2=1.4k (Vo=3V) 40 CIN=0.33F CO=4.7F Ta=Room Temp RL=1.5 (Io=2A) VIN=2.85V CIN=0.33F CO=4.7F 0.4 R1=1k, R2=1.4k (Vo=3V) 0.3 20 RL=3(Io=1A) 0.2 10 0.1 0 0 RL=(IO=0A) 0 1 2 3 4 5 0 0.5 1 1.5 2 Input Voltage VIN (V) Output current IO (A) Fig.9 Quiescent Current vs. Junction Temperature 1.4 VIN=5V Io=0A CIN=0.33F CO=4.7F Vo=3V Fig.10 Output Voltage Adjustment Characteristics (Typical value) 10 9 R1=1k Quiescent current Iq(mA) 1.2 Output voltage VO(V) 8 7 6 5 4 3 2 1 0 100 1 0.8 0.6 -40 -25 0 25 50 75 100 125 103 104 Junction temperature Tj (C) R2 () Sheet No.: OP06068 3 PQ070XF02SZH Typical Application DC input 1 2 R2 VIN + CIN 3 R1 1k 4 CO + Load VO 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.10. 2 R2 4 + 3 Vref R1 VO V O =V ref x(1+R 2 /R 1) =. [R1 =1k , Vref . 1.25V] Sheet No.: OP06068 4 |
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