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| PQ1CY1032ZXH PQ1CY1032ZXH To-263 Surface Mount Type Chopper Regulator Features 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 Outline Dimensions (Unit:mm) 10.6MAX. (0.55) Lead finish identification mark 3.280.5 3.50.5 (0.6) 2 13.7MAX. 8.40.5 1C Y 1032 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 ) : Typical dimensions 12345 Product mass:(1.0g) 1 Applications 1.LCD monitors 2.Car navigation systems 3.Switching power supplies 2 3 4 5 VIN VOUT COM (Common to heat sink) Oadj Vsoft Absolute Maximum Ratings 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 (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) Lead finish:Lead-free solder plating (Composition: Sn2Cu) *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=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.: OP06039 ( 1.3) PQ1CY1032ZXH Electrical Characteristics Parameter Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load regulation Line regulation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Overcurrent detecting level Charge current Input threshold voltage ON threshold voltage Overcurrent shutdown threshold voltage Stand-by current Output OFF-state dissipation current (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. VSAT Vref |RegL| |RegI| fO IL ICHG VTHL VTHH VTH(ON) VTHIL ISD IQS ISW=3A Tj=0 to 125 IO=0.5 to 3A VIN=8 to 35V IO=3A Tj=0 to 125 Switching current peak , terminals is open, terminal Duty ratio=0%, terminal=0V, terminal Duty ratio=100%, terminal is open, terminal 1.235 135 3.6 0.7 3.8 1.4 1.26 0.5 0.2 1 80 150 2 4.2 -10 1.3 2.3 0.8 4.6 140 8 1.8 1.285 1.5 2.5 165 5.8 0.9 5.5 400 16 V V % % % % kHz % A V V V V mA terminal=0V, terminal terminal VIN=40V, terminal=0V VIN=40V, terminal=0.9V Fig.1 Test Circuit I SD I QS A + L IO VO PQ1CY1032Z A R2 + VIN Load D CIN CO R1 1k I CHG 5 terminal LO W HIG H OP E N VO output OF F ON ON LHK-10S100-4500(made by Toho Co.) DERC80-004(made by Fuji electronics Co.) Sheet No.: OP06039 2 PQ1CY1032ZXH Fig.2 Power Dissipation vs.Ambient Temperature 40 35 30 25 20 15 10 5 0 -20 0 25 50 75 85 100 125 150 PD: With infinite heat sink Fig.3 Overcurrent Protection Characteristics (Typical Value) 6 5 4 3 2 1 0 T a=25C V IN =12V V O=5V Power dissipation PD (W) Output voltage VO(V) Shutdown operating 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area. Output current IO(A) Fig.4 Efficiency vs. Input Voltage 100 T j=25C V O=12V , I O=3A V O=12V , I O=1A Fig.5 Switching Current vs. Output Saturation Voltage 4 T j=25C 90 Switching current ISW(A) 35 40 3.5 3 2.5 2 1.5 1 0.5 Efficiency (%) 80 V O=5V , I O=1A 70 V O=5V , I O=3A 60 50 0 5 10 15 20 25 30 0 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 Input voltage VIN(V) Output saturation voltage VSAT (V) Fig.6 Operating Dissipation Current vs. Input Voltage Operating dissipation current IQ' (mA) 15 T j=25C V O=5V Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 1.5 Reference voltage fluctuation (%) I O=3A 1.0 0.5 0 -0.5 -1 -1.5 -25 V IN =12V V O=5V 10 No load I O=1A 5 0 0 5 10 15 20 25 30 35 40 0 25 50 75 100 125 Input voltage VIN(V) Junction temperature Tj (C) Sheet No.: OP06039 3 PQ1CY1032ZXH Fig.8 Load Regulation vs. Output Current 1.5 T j=25 V IN =12V V O=5V Fig.9 Line Regulation vs. Input Voltage 1.5 Load regulation RegL (%) Line regulation RegI(%) 1 1 0.5 0.5 0 0 T j=25C V O=5V I O=0.5A -0.5 0 0.5 1 1.5 2 2.5 3 -0.5 0 5 10 15 20 25 30 35 40 Output current IO(A) Input voltage VIN(V) Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature Oscillation frequency fluctuation (%) 6 4 2 0 -2 -4 -6 -25 V IN =12V V O=5V Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) 8 6 4 2 0 2 4 6 8 0 25 50 75 100 125 -25 0 25 50 75 100 125 Junction temperature Tj (C) Junction temperature Tj (C) Fig.12 On Threshold Voltage vs. Junction Temperature Threshold voltage VTH(ON), VTHL, VTHH(V) 3 2.5 2 1.5 1 0.5 0 -25 V T H (ON) V T HL V T HH V IN =12V Fig.13 Overcurrent Shutdown Threshold Voltage vs. Junction Temperature Overcurrent shutdown threshold voltage VTHIL(V) 6 V IN =12V 5.5 5 4.5 4 3.5 3 -25 0 25 50 75 100 125 0 25 50 75 100 125 Junction temperature Tj (C) Junction temperature Tj (C) Sheet No.: OP06039a 4 PQ1CY1032ZXH Fig.14 Power Dissipation vs. Ambient Temperature (Typical Value) 6 Power dissipation PD (W) 5 4 3 2 1 0 -20 Cu area 3600mm2 Cu area 900mm2 Cu area 400mm2 Cu area 115mm2 Mounting PCB PCB Cu 0 25 50 75 85 100 125 Material : Glass-cloth epoxy resin Size : 60x60x1.6mm Cu thickness : 65m Ambient temperature Ta (C) Fig.15 Block Diagram V IN 1 2 V ou t V o lt ge regulator a ON /O F F ci t rcui 5 _ P W M C O MP . + F/ F Ov ercurre nt de tect n ci t io rcui Q R S V s oft S oft s tart ci t rcui E R R O R A MP . _ + 4 O ADJ Ov erhe at de tect n ci t io rcui Oc silla n c c uit ti ir o _ + 3 V ref VS' CO M Fig.16 Step Down Type Circuit Diagram 4 P Q1C Y 1032Z L 45 H V O 5V 5 + V IN 8 to 35V 3 C IN 220 F CS RS D R2 3k + CO 1 000 F Load R1 1k ON /O F F controls i al gn R S 50k Sheet No.: OP06039 5 PQ1CY1032ZXH Fig.17 Polarity Inversion Type Circuit Diagram 0.471F 100k 680k 4 1 2 L 65H PQ1CY1032Z 5 VIN 5 to 30V + 3 CIN 220F CS RS D R2 3k CO R1 1k 2200F + Load ON/OFF control signal 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 |
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