PQ1CY1032ZxH PQ1CY1032ZxH To-263 Surface Mount Type Chopper Regulator ■ Outline Dimensions (2.4) (0.55) H Epoxy resin 3–0.9+0.2 –0.1 4–(1.7) (0.6) 5 ( 1.3) (0.45) 1.05+0.2 –0.1 (0.6) (0.45) 1.05+0.2 –0.1 ( 4 Parameter Symbol *1 VIN Input voltage Error input voltage VADJ Input - output voltage VI-O *2 Output - COM voltage VOUT *3 Vsoft terminal voltage Vsoft ISW Switching current *4 Power dissipation PD *5 Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol φ2 1 2 3 4 5 3 Absolute Maximum Ratings 1C Y 1032 (0.6) (0 to 0.25) 2 1.LCD monitors 2.Car navigation systems 3.Switching power supplies 3.5±0.5 3.28±0.5 (0.6) 1 Applications (Unit:mm) 10.6MAX. Lead finish identification mark 8.4±0.5 1.Maximum switching current: 3.5A 2.Built-in ON/OFF control function 3.Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence 4.Built-in oscillation circuit (Oscillation frequency: TYP. 150kHz) 5.Built-in overheat protection function, overcurrent shut-down function 6.TO-263 package 7.PQ1CY1032ZZH: Sleeve-packaged product PQ1CY1032ZPH: Tape-packaged product 8.Variable output voltage (Output variable range: Vref to 35V/–Vref to –30V) [Possible to select step-down output/inversing output according to external connection circuit] 9.RoHS directive compliant 13.7MAX. Features ) : Typical dimensions Product mass:(1.0g) V IN V OUT COM (Common to heat sink) O adj V soft Lead finish:Lead-free solder plating (Composition: Sn2Cu) (Ta=25℃) Rating Unit 40 V 7 V 41 V -1 V -0.3 to +40 V 3.5 A 35 W 150 ℃ -20 to +85 ℃ -40 to +150 ℃ 260(10s) ℃ *1 Voltage between VIN terminal and COM terminal *2 Voltage between VOUT terminal and COM terminal *3 Voltage between VSOFT terminal and COM terminal *4 PD:With infinite heat sink *5 There is case that over heat protection function 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.: OP06039 PQ1CY1032ZxH Electrical Characteristics Parameter (Unless otherwise specified,condition shall be VIN=12V,IO=0.5A,VO=5V,Vsoft terminal=0.1uF,Ta=25℃) Symbol TYP. MAX. Unit Conditions MIN. Output saturation voltage Reference voltage Reference voltage temperature fluctuation VSAT Vref ISW=3A － Tj=0 to 125℃ IO=0.5 to 3A VIN=8 to 35V IO=3A |RegL| |RegI| Load regulation Line regulation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Overcurrent detecting level Charge current IL ICHG 1.4 1.26 1.8 1.285 V V － － － － ±0.5 0.2 1 80 － 1.5 2.5 % % % % 135 165 － 3.6 150 ±2 4.2 － － 5.8 kHz % A ②,④ terminals is open,⑤ terminal － -10 － VTHL VTHH Duty ratio=0%,④ terminal=0V,⑤ terminal － － 1.3 2.3 － － V V VTH(ON) VTHIL ISD IQS ④ terminal=0V,⑤ terminal ⑤ terminal VIN=40V,⑤ terminal=0V VIN=40V,⑤ terminal=0.9V 0.7 3.8 0.8 4.6 140 8 0.9 5.5 400 16 V V Input threshold voltage ON threshold voltage Overcurrent shutdown threshold voltage Stand-by current Output OFF-state dissipation current － Tj=0 to 125℃ Switching current peak fO － 1.235 Duty ratio=100%,④ terminal is open,⑤ terminal － － mA Fig.1 Test Circuit ④ ① I SD I QS L IO ② PQ1CY1032Z A R2 ⑤ + VIN VO + ③ CIN Load A D I CHG 5 terminal LO W HIG H OP E N CO R1 1k L：HK-10S100-4500(made by Toho Co.) D：ERC80-004(made by Fuji electronics Co.) VO output OF F ON ON Sheet No.: OP06039 2 PQ1CY1032ZxH Fig.2 Power Dissipation vs.Ambient Temperature Fig.3 Overcurrent Protection Characteristics (Typical Value) 35 6 PD: With infinite heat sink Output voltage VO(V) Power dissipation PD (W) 40 30 25 20 15 10 4 Shutdown operating 3 2 T a=25°C V IN =12V V O=5V 1 5 0 -20 5 0 25 50 75 85 100 125 0 150 0 0.5 1 1.5 2 2.5 3 3.5 Ambient temperature Ta (°C) 4 4.5 5 Output current IO(A) Note) Oblique line portion:Overheat protection may operate in this area. Fig.4 Efficiency vs. Input Voltage T j=25°C V O=12V , I O=3A 4 V O=12V , I O=1A Switching current ISW(A) 100 Fig.5 Switching Current vs. Output Saturation Voltage Efficiency η(%) 90 80 V O=5V , I O=1A V O=5V , I O=3A 70 60 T j=25°C 3.5 3 2.5 2 1.5 1 0.5 50 0 5 10 15 20 25 30 35 0 0 40 Input voltage VIN(V) 1.25 1.5 1.75 1.5 15 T j=25°C V O=5V I O=3A 10 I O=1A No load 5 5 10 15 20 25 30 2 Fig.7 Reference Voltage Fluctuation vs. Junction Temperature Reference voltage fluctuation (%) Operating dissipation current IQ' (mA) 1 Output saturation voltage VSAT (V) Fig.6 Operating Dissipation Current vs. Input Voltage 0 0 0.25 0.5 0.75 35 1.0 0.5 0 -0.5 -1 -1.5 -25 40 Input voltage VIN(V) V IN =12V V O=5V 0 25 50 75 100 125 Junction temperature Tj (°C) Sheet No.: OP06039 3 PQ1CY1032ZxH Fig.8 Load Regulation vs. Output Current Fig.9 Line Regulation vs. Input Voltage 1.5 T j=25 V IN =12V V O=5V Line regulation RegI(%) Load regulation RegL (%) 1.5 1 0.5 0 0.5 1 1.5 2 2.5 0.5 0 T j=25°C V O=5V I O=0.5A -0.5 0 -0.5 0 1 3 5 10 Output current IO(A) V IN =12V V O=5V 2 0 -2 -4 -6 -25 0 25 50 75 100 4 2 0 2 4 6 8 Overcurrent shutdown threshold voltage VTHIL(V) Threshold voltage VTH(ON), VTHL, VTHH(V) V IN =12V V T HL 1 0 -25 V T H (ON) 0 25 50 75 100 0 25 50 75 100 125 Fig.13 Overcurrent Shutdown Threshold Voltage vs. Junction Temperature 2 0.5 40 Junction temperature Tj (°C) 3 1.5 35 6 -25 125 Fig.12 On Threshold Voltage vs. Junction Temperature V T HH 30 8 Junction temperature Tj (°C) 2.5 25 Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) Oscillation frequency fluctuation (%) 4 20 Input voltage VIN(V) Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature 6 15 125 Junction temperature Tj (°C) 6 V IN =12V 5.5 5 4.5 4 3.5 3 -25 0 25 50 75 100 125 Junction temperature Tj (°C) Sheet No.: OP06039a 4 PQ1CY1032ZxH Fig.14 Power Dissipation vs. Ambient Temperature (Typical Value) Power dissipation PD (W) 6 5 Cu area 3600mm2 4 Cu area 900mm2 3 Cu area 400mm2 2 Cu area 115mm2 Mounting PCB PCB Cu 1 0 -20 0 25 50 75 85 100 Material : Glass-cloth epoxy resin Size : 60×60×1.6mm Cu thickness : 65μm 125 Ambient temperature Ta (°C) Fig.15 Block Diagram V IN 1 _ P W M C O MP . + F /F V ou t 5 V s oft 4 O ADJ ON /O F F circuit V o lta ge regulator S oft start circuit Q E R R O R A MP . _ + R Ov ercurrent de tection circuit 2 S V ref Oc silla tion circ uit Ov erhe at de tection circuit _ + VS' 3 CO M Fig.16 Step Down Type Circuit Diagram 4 ① L 45 H ② V O 5V P Q1C Y 1032Z 5 + V IN 8 to 35V + RS 3 C IN 220 F R2 3k CS D Load CO 1 000 F R1 1k ON /O F F controls ign al R S ≤50k Sheet No.: OP06039 5 PQ1CY1032ZxH Fig.17 Polarity Inversion Type Circuit Diagram 0.47～1μF 100k～ 680kΩ L 65μH 4 1 2 PQ1CY1032Z R2 3kΩ 5 VIN 5 to 30V + CIN 220μF + RS 3 R1 1kΩ ON/OFF control signal Load CO D CS 2200μF VO -5V In case of polarity is reverse, depending on the conditions,there is cases that output voltage can not gain, please use this device after confirming the output voltage at the actual conditions. Sheet No.: OP06039 6