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| PQ1CZ41H2ZXH PQ1CZ41H2ZXH TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit Features 1.Maximum switching current: 1.5A 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.300kHz) 5.Built-in overheat protection function,overcurrent protection function 6.SC-63 Surface Mount Type package 7.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] 8.P Q 1CZ41H2ZZH: Sleeve-packaged product P Q 1CZ41H2ZPH: Tape-packaged product 9.RoHS directive compliant Outline Dimensions (Unit:mm) 6.6 MAX. 5.2 0.5 2.3 0.5 (0.5) 3 Epoxy resin 5.5 0.5 9.7 MAX. 1CZ41H H Lead finish identification mark MIN. (0 to 0.25) 0.5 +0.2 -0.1 4-(1.27) ( 2.5 ) : Typical dimensions Product mass:(0.3g) 1 2 3 4 5 VIN VOUT COM(Connected with heat sink) Oadj ON/OFF control Applications 1.Color TV,STB 2.LCD monitors 3.Facsimiles,plinters and other OA equipment 4.CD-ROM drives/DVD-ROM drivers 5.Air conditioners Absolute Maximum Ratings Parameter Symbol *1 VIN Input voltage Error input voltage VADJ Input - output voltage VI-O *2 Output - COM voltage VOUT *3 VC ON/OFF control voltage 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 1.5 A 8 W 150 -40 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 ON/OFF control 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.: OP06041 (0.9) (0.5) (1.7) PQ1CZ41H2ZXH Electrical Characteristics (Unless otherwise specified,condition shall be VIN=12V,IO=0.2A,VO=5V,ON-OFF terminals is open,Ta=25) 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 Stand-by current Output OFF-state dissipation current Symbol VSAT Vref |RegL| |RegI| fO IL ICHG VTHL VTHH VTH(ON) ISD IQS Conditions ISW=1A Tj=0 to 125 IO=0.2 to 1A VIN=8 to 35V IO=1A Tj=0 to 125 Switching current peak , terminals is open, terminal Duty ratio=0%, terminal=0V, terminal Duty ratio=100%, terminal =1.1V, terminal MIN. 1.235 270 1.55 0.7 TYP. 0.9 1.26 0.5 0.2 1.2 84 300 3 2.0 -10 1.3 2.3 0.8 140 8 MAX. 1.5 1.285 1.5 2.5 330 2.6 0.9 400 12 Unit V V % % % % kHz % A V V V mA terminal=0V, terminal VIN=40V, terminal=0V VIN=40V, terminal=0V, terminal =0.9V Fig.1 Test Circuit ISD IQS + VIN CIN A A PQ1CZ41H2ZXH L IO VO A D R2 + Load ICHG R1 CO ON/OFF control logic 5 pin LOW HIG H OPEN LHK-08S070-6500 (made by Toho Co.) DERC80-004 (made by Fuji electronics Co.) Output OFF ON ON Fig.2 Power Dissipation vs.Ambient Temperature 10 Fig.3 Overcurrent Protection Characteristics (Typical Value) 6 Power dissipation PD (W) 8 PD:With infinite heat sink 5 Output voltage VO(V) 4 3 2 1 5 0 20 0 0 25 50 75 100 125 150 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.: OP06041 2 PQ1CZ41H2ZXH Fig.4 Efficiency vs. Input Voltage 100 Tj=25C Fig.5 Output Saturation Voltage vs. Switching Current 1.6 Output saturation voltage VSAT(V) VO12V,IO=1A VO12V,IO=0.2A Tj=25C 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 0.5 1 1.5 90 Efficiency (%) 80 70 VO5V,IO=0.2A VO5V,IO=1A 60 50 0 10 20 30 40 Input voltage VIN (V) Switching current ISW (A) Fig.6 Stand-by Current vs. Input Voltage 250 Tj=25C Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 2 Reference voltage fluctuation (%) 1.5 1 0.5 0 -0.5 -1 -1.5 -2 -40 -25 0 25 50 75 VIN=12V VO5V Standby current ISD(A) 200 150 100 50 0 0 10 20 30 40 100 125 Intput voltage VIN (V) Junction temperature Tj (C) Fig.8 Load Regulation vs. Output Current 1.5 Tj=25C VIN=12V VO5V Fig.9 Line Regulation vs. Input Voltage 1.5 Load regulation RegL(%) Line regulation RegI (%) 1 1 0.5 0.5 0 0 Tj=25C VO=5V IO0.2A 0 10 20 30 40 -0.5 0 0.2 0.4 0.6 0.8 1 1.2 -0.5 Output current IO (A) Input voltage VIN (V) Sheet No.: OP06041 3 PQ1CZ41H2ZXH Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature Oscillation frequency fluctuation fO(%) 10 VIN=12V VO5V Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) 10 Tj=25C 5 5 0 0 -5 -5 -10 -40 -25 0 25 50 75 100 125 -10 -40 -25 0 25 50 75 100 125 Junction temperature Tj (C) Junction temperature Tj (C) Fig.12 On Threshold Voltage vs. Junction Temperature ON threshold voltage VTHON,VTHL,VTHH (V) 3 Fig.13 Operating Dissipation Current vs. Input Voltage 10 VTHH 2.5 2 Operating dissipation current IQ' (mA) VIN=12V Tj=25C VO=5V 9 VTHL 1.5 1 0.5 0 -40 -25 8 IO=1A 7 IO=0.2A 6 VTHON 0 25 50 75 100 125 No Load 5 0 10 20 30 40 Junction temperature Tj (C) Input voltage VIN (V) Fig.14 Power Dissipation vs. Ambient Temperature (Typical Value) Cu area 740mm2 Power dissipation PD (W) 2 1.5 Cu area 180mm2 Cu area 100mm 2 Mounting PCB PCB Cu 1 Cu area 70mm 2 Cu area 36mm2 0.5 Material : Glass-cloth epoxy resin Size : 50x50x1.6mm Cu thickness : 35m 0 -40 -20 0 20 40 60 80 85 100 120 125 Ambient temperature Ta (C) Sheet No.: OP06041 4 PQ1CZ41H2ZXH Fig.15 Block Diagram 1 VIN 2 VOUT Voltage regulator ON/OFF circuit 5 PWM COMP. _ Soft start ON/OFF control + Overcurrent detection circuit F/F Q R S Oscillator _ + ERROR AMP. Vref 4 Oadj Overheat detection circuit 3 COM Fig.16 Step Down Type Circuit Diagram PQ1CZ41H2ZXH L VO 5V + R2 3k + VIN 8 to 35V CIN CS RS Load D CO R1 1k ON/OFF control signal Fig.17 Polarity Inversion Type Circuit Diagram 0.471F 100k 680k 4 1 2 L 65H PQ1CZ41H2ZXH 5 VIN 530V + 3 CIN 100F CS RS D R2 3k + CO 2200F Load R1 1k RS50k ON/OFF control signal VO -5V In case that 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.: OP06041 5 |
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