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| www..com PQ1CYxx3LZPH Series PQ1CYxx3LZPH Series To-263 Surface Mount Type Chopper Regulator Features 1.Maximum switching current: 3.5A 2.Built-in ON/OFF control function 3.High frequency oscillation (Oscillation frequency: 150kHz) 4.Built-in overheat protection function, overcurrent shut-down function 5.Fixed output voltage type (Output voltage is 3.3V/5.0V) 6.RoHS directive compliant Outline Dimensions 10.6MAX. Lead finish identification mark (Unit:mm) 3.50.5 (0.6) (0.55) 3.280.5 13.7MAX. 8.40.5 1 C Y503L 2 H Epoxy resin (0.6) (0.45) 1.05+0.2 -0.1 4-(1.7) ( (2.4) (0 to 0.25) (0.6) (0.6) (0.45) 1.05+0.2 -0.1 3-0.9+0.2 -0.1 Applications 1.Digital AV equipment 2.OA equipment 3.CRT monitor/LCD monitor ) : Typical dimensions Product mass:(1.0g) 12345 1 2 3 4 5 Model Line-up Output Voltage 3.3V 5.0V VIN VOUT GND (Connected with heat sink) FB ON/OFF Model No. PQ1CY333LZPH PQ1CY503LZPH Lead finish:Lead-free solder plating (Composition: Sn2Cu) Absolute Maximum Ratings (Ta=25C) Parameter Input voltage FB pin voltage Input-output voltage *2 Output-GND voltage *3 ON/OFF pin voltage *1 Switching current Power dissipation *5 Junction temperature *4 Symbol VIN VFB VI-O VOUT VC ISW PD Tj Topr Tstg Tsol Operating temperature Storage temperature Soldering temperature Rating 40 8 41 -1 -0.3 to 40 3.5 35 150 -20 to +85 -40 to +150 260(10s) Unit V V V V V A W C C C C *1 Voltage between VIN terminal and GND terminal. *2 Voltage between VOUT terminal and GND terminal. *3 Voltage between ON/OFF terminal and GND terminal. *4 PD:With infinite heat sink *5 There is case that over heat protection function 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.: OP06055 ( 1.3) PQ1CYxx3LZPH Series Electrical Characteristics Parameter Input voltage range Output saturation voltage Output voltage PQ1CY333LZPH PQ1CY503LZPH PQ1CY333LZPH PQ1CY503LZPH (Unless otherwise specified,condition shall be VIN=12V,IO=0.5A,ON-OFF terminals is open,Ta=25) Symbol VIN VSAT VO VREF RegL RegI Conditions ISW=3A Tj=0 to 125C IO=0.5 to 3A PQ1CY333LZPH: VIN=5.8 to 25V PQ1CY503LZPH: VIN=8 to 35V IO=3A Tj=0125C Switching current peak 5pin=2.5V 5pin=0.5V 4pin=0V,5pin VIN=40V,5pin=5V VIN=40V,4pin=VO+10% MIN. 5.5 7 3.218 4.875 135 3.6 0.8 TYP. 1.4 3.3 5 0.5 0.2 1.3 77 80 150 2 4.7 5 0.1 1.5 150 8 MAX. 30 40 1.8 3.382 5.125 1.5 2.5 165 5.8 2 400 16 Unit V V V % % % % kHz % A A A V A mA Temperature change in reference voltage Load regulation Line regulation Efficiency PQ1CY333LZPH PQ1CY503LZPH fO fO IL IC(OFF) IC(ON) VTHON ISD IQS Oscillation frequency Temperature change in oscillator frequency Over current detector level Off-state current for control On-state current for control ON threshold voltage Stand-by current Output off-state consumption current Fig.1 Standard measuring circuit ISD IQS A A + PQ1CYxx3LZPH L 45H IO VO + VIN CIN 220F A Load IC(ON) IC(OFF) D CO 1000H 5pin LOW HIG H OPE N Output ON OFF ON L:HK-10S100-4500(TOHO ZINC CO.,LTD.) D:ERC80-004(FUJI ELECTRONIC COMPONENTS,LTD) Fig.2 Power Dissipation vs.Ambient Temperature 40 PD:With infinite heat sink 35 Fig.3 Overcurrent Protection Characteristics (PQ1CY333LZPH) 4 Power dissipation PD (W) 25 20 15 10 5 0 -20 0 25 50 75 85 100 125 150 Output voltage Vo (V) 30 3 2 1 0 Ta=25C VIN=12V 0 1 2 3 4 5 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area Output current IO (A) Sheet No.: OP06055 2 PQ1CYxx3LZPH Series Fig.4 Overcurrent Protection Characteristics (PQ1CY503LZPH) 5 4 Fig.5 Efficiency vs. Input Voltage PQ1CY333LHZPH) 100 95 Tj=25C Output voltage Vo (V) 90 Efficiency (%) 3 85 80 75 70 Io=3A Io=0.5A 2 1 0 Ta=25C VIN=12V 0 1 2 3 4 5 65 60 0 5 10 15 20 25 30 Output current IO (A) Input voltage VIN (V) Fig.6 Efficiency vs. Input Voltage PQ1CY503LHZPH) 100 95 90 Fig.7 Output Saturation Voltage vs. Switching Current 1.6 Output saturation voltage VSAT(V) Tj=25C 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 Tj=25C Efficiency (%) 85 80 75 70 65 60 0 5 10 Io=0.5A Io=3A 15 20 25 30 35 40 0 1 2 3 4 Input voltage VIN (V) Switching current ISW (A) Fig.8 Stand-by Current vs. Input Voltage 250 Fig.9 Output Voltage Fluctuation vs. Junction Temperature 1.0 Standby current ISD(A) 200 150 Output voltage fluctuation (%) 40 Tj=25C 0.5 0.0 100 50 0 -0.5 0 10 20 30 -1.0 -25 0 25 50 75 100 125 Intput voltage VIN (V) Junction temperature Tj (C) Sheet No.: OP06055 3 PQ1CYxx3LZPH Series Fig.10 Load Regulation vs. Output Current(PQ1CY333LZPH) 2.0 Fig.11 Load Regulation vs. Output Current(PQ1CY503LZPH) 2.0 Load regulation RegL(%) Load regulation RegL(%) 1.5 Tj=25C VIN=12V 1.5 Tj=25C VIN=12V 1.0 1.0 0.5 0.5 0.0 0.0 -0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 -0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 Output current IO (A) Output current IO (A) Fig.12 Line Regulation vs. Input Voltage 2.0 Fig.13 Oscillation Frequency Fluctuation vs. Junction Temperature Oscillation frequency fluctuation fO(%) 10 Line regulation RegI (%) Tj=25C IO=0.5A PQ1CY333LZPH 1.5 5 1.0 PQ1CY503LZPH 0 0.5 0.0 -5 -0.5 0 5 10 15 20 25 30 35 40 -10 -25 0 25 50 75 100 125 Input voltage VIN (V) Junction temperature Tj (C) Fig.14 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) 5 Fig.15 ON Threshold Voltage vs. Junction Temperature 2.0 ON threshold voltage VTHON (V) 0 25 50 75 100 125 1.5 0 1.0 -5 0.5 -10 -25 Junction temperature Tj (C) 0 -25 0 25 50 75 100 125 Junction temperature Tj (C) Sheet No.: OP06055 4 PQ1CYxx3LZPH Series Fig.16 Operating Dissipation Current vs. Input Voltage(PQ1CY333LZPH) 15 Fig.17 Operating Dissipation Current vs. Input Voltage(PQ1CY503LZPH) 15 Operating dissipation current IQ' (mA) Operating dissipation current IQ' (mA) Tj=25C Io=3A Io=0.5A Tj=25C Io=3A Io=0.5A 10 No Load 5 10 No Load 5 0 0 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 40 Input voltage VIN (V) Input voltage VIN (V) Fig.18 Power Dissipation vs. Ambient Temperature (Typical Value) 6 Power dissipation PD (W) 5 4 3 2 1 Cu area 3600mm2 Cu area 900mm2 Mounting PCB Cu area 400mm2 Cu area 115mm2 PCB Cu 0 -40 -20 Material : Glass-cloth epoxy resin Size : 60x60x1.6mm Cu thickness : 65m 0 25 50 75 85 100 125 Ambient temperature Ta (C) Fig.19 Block diagram 1 VIN 2 V OUT Voltage regulator PWM COMP. ON/OFF circuit 5 4 ON/OFF FB + _ Oscillator Over current detection circuit F/F Q R S _ + ERROR AMP. Vref Over heat detection circuit fO converter circuit 3 GND Sheet No.: OP06055 5 |
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