PQ1CZ41H2ZxH PQ1CZ41H2ZxH TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit ■ Outline Dimensions Features (Unit:mm) 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 2.3 ±0.5 6.6 MAX. 5.2 ±0.5 (0.5) 3 (1.7) 5.5 ±0.5 Lead finish identification mark H MIN. 9.7 MAX. Epoxy resin 1CZ41H 2.5 (0 to 0.25) 0.5 +0.2 -0.1 (0.9) (0.5) 4-(1.27) ( ) : Typical dimensions Product mass:(0.3g) 1 Applications 2 3 4 5 ①VIN ②VOUT ③COM(Connected with heat sink) ④Oadj ⑤ON/OFF control 1.Color TV,STB 2.LCD monitors 3.Facsimiles,plinters and other OA equipment 4.CD-ROM drives/DVD-ROM drivers 5.Air conditioners Lead finish:Lead-free solder plating (Composition: Sn2Cu) 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) ℃ *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=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.: OP06041 PQ1CZ41H2ZxH Electrical Characteristics (Unless otherwise specified,condition shall be VIN=12V,IO=0.2A,VO=5V,ON-OFF terminals is open,Ta=25℃) Parameter Symbol Output saturation voltage Reference voltage Reference voltage temperature fluctuation Conditions ISW=1A VSAT Vref － Tj=0 to 125℃ IO=0.2 to 1A VIN=8 to 35V IO=1A |RegL| |RegI| 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 MIN. TYP. MAX. Unit － 1.235 0.9 1.26 1.5 1.285 V V － － － － ±0.5 0.2 1.2 － 1.5 2.5 84 － % % % % 270 330 － 1.55 300 ±3 2.0 － -10 － － － 1.3 2.3 － － V V － Tj=0 to 125℃ Switching current peak ②,④ terminals is open,⑤ terminal fO IL ICHG VTHL VTHH Duty ratio=0%,④ terminal=0V,⑤ terminal VTH(ON) ISD IQS ④ terminal=0V,⑤ terminal VIN=40V,⑤ terminal=0V VIN=40V,④ terminal=0V,⑤ terminal =0.9V Duty ratio=100%,④ terminal =1.1V, ⑤ terminal － 2.6 kHz % A 0.7 0.8 0.9 V － － 140 8 400 12 mA Fig.1 Test Circuit ④ ① ISD L IO ② VO PQ1CZ41H2ZxH A A R2 ⑤ IQS + + VIN ③ CIN A D ICHG Output OFF ON ON Fig.2 Power Dissipation vs.Ambient Temperature Fig.3 Overcurrent Protection Characteristics (Typical Value) 6 PD:With infinite heat sink 5 Output voltage VO(V) Power dissipation PD (W) 10 8 R1 L：HK-08S070-6500 (made by Toho Co.) D：ERC80-004 (made by Fuji electronics Co.) ON/OFF control logic 5 pin LOW HIG H OPEN Load CO 5 4 3 2 1 0 －20 0 0 25 50 75 100 125 150 Ambient temperature Ta (°C) 0 1 2 3 4 Output current IO (A) Note) Oblique line portion:Overheat protection may operate in this area Sheet No.: OP06041 2 PQ1CZ41H2ZxH Fig.4 Efficiency vs. Input Voltage Efficiency η(%) 90 1.6 Tj=25°C VO＝12V,IO=1A Output saturation voltage VSAT(V) 100 Fig.5 Output Saturation Voltage vs. Switching Current VO＝12V,IO=0.2A 80 70 VO＝5V,IO=0.2A VO＝5V,IO=1A 60 50 0 10 20 30 Tj=25°C 1.4 1.2 1 0.8 0.6 0.4 0.2 0 40 0 Fig.6 Stand-by Current vs. Input Voltage 2 Reference voltage fluctuation (%) Standby current ISD(μA) Tj=25°C 200 150 100 50 0 10 20 30 1 0.5 0 -0.5 -1 -1.5 -2 -40 -25 40 Line regulation RegI (%) 0.5 0 0.4 0.6 0.8 50 75 100 125 1.5 1 0.2 25 Fig.9 Line Regulation vs. Input Voltage Tj=25°C VIN=12V VO＝5V 0 0 Junction temperature Tj (°C) Fig.8 Load Regulation vs. Output Current 1.5 VIN=12V VO＝5V 1.5 Intput voltage VIN (V) Load regulation RegL(%) 1.5 Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 250 -0.5 1 Switching current ISW (A) Input voltage VIN (V) 0 0.5 1 1 0.5 0 -0.5 1.2 Tj=25°C VO=5V IO＝0.2A 0 10 20 30 40 Input voltage VIN (V) Output current IO (A) Sheet No.: OP06041 3 PQ1CZ41H2ZxH Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature 10 Overcurrent detecting level fluctuation (%) Oscillation frequency fluctuation Δf O(%) Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature VIN=12V VO＝5V 5 0 -5 -10 -40 -25 0 25 50 75 100 125 10 Tj=25°C 5 0 -5 -10 -40 -25 Junction temperature Tj (°C) Fig.12 On Threshold Voltage vs. Junction Temperature 25 50 75 100 125 Fig.13 Operating Dissipation Current vs. Input Voltage 10 3 VIN=12V VTHH Operating dissipation current IQ' (mA) ON threshold voltage VTHON,VTHL,VTHH (V) 0 Junction temperature Tj (°C) 2.5 2 VTHL 1.5 1 0.5 VTHON 0 -40 -25 0 25 50 75 100 Tj=25°C VO=5V 9 IO=1A 8 IO=0.2A 7 6 No Load 5 125 0 Junction temperature Tj (°C) 10 20 30 40 Input voltage VIN (V) Fig.14 Power Dissipation vs. Ambient Temperature (Typical Value) Power dissipation PD (W) Cu area 740mm2 2 1.5 Cu area 100mm 1 Mounting PCB Cu area 180mm2 Cu area 70mm PCB 2 Cu 2 Cu area 36mm2 Material : Glass-cloth epoxy resin Size : 50×50×1.6mm Cu thickness : 35μm 0.5 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 5 ON/OFF control 4 Oadj ON/OFF circuit Voltage regulator PWM COMP. _ Oscillator Overcurrent detection circuit Q R S F/F Soft start + _ ERROR AMP. + Vref Overheat detection circuit 3 COM Fig.16 Step Down Type Circuit Diagram ④ L ① ② VO 5V PQ1CZ41H2ZxH R2 ⑤ 3k + ③ VIN 8 to 35V CIN RS CS + D Load CO R1 1k ON/OFF control signal Fig.17 Polarity Inversion Type Circuit Diagram 100k～ 680kΩ 0.47～1μF 4 1 L 65μH 2 PQ1CZ41H2ZxH R2 3kΩ 5 VIN 5～30V + + 3 CIN 100μF RS D CS R1 1kΩ RS≦50kΩ Load CO 2200μF VO -5V ON/OFF control signal 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