Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ PQ1CG21H2FZ/PQ1CG21H2RZ TO-220 Type Chopper Regulators (Unit : mm) Outline Dimensions PQ1CG21H2FZ 4.50.2 3.60.2 (1.5) 10.2MAX. (6.8) 7.40.2 2.80.2 (2.0) 5.00.5 PQ1CG21H Epoxy resin 16.40.7 o3.20.1 (0.5) (1.5) 5-0.80.1 4.4MIN. Features Maximum switching current: 1.5A Built-in ON/OFF control function Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence Built-in oscillation circuit (Oscillation frequency: TYP. 100kHz) Built-in overheat, overcurrent protection functions TO-220 package 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] PQ1CG21H2FZ: Zigzag forming PQ1CG21H2RZ: Self-stand forming (24.6) 4-(1.7) 3.20.5 (5.0) 8.2 0.7 VIN VOUT 3 COM 4 OADJ 5 ON/OFF ) : Typical dimensions 1 2 Applications Switching power supplies Facsimiles, printers and other OA equipment Color TVs and video CDs Personal computers and amusement equipment 1 5 ( 4.50.2 3.60.2 (1.5) 7.4 2.80.2 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 Overheat protection may operate at the condition Tj:125C to 150C. o3.20.1 PQ1CG21H Epoxy resin (3.6) (1.7) 0.80.1 6.0 0.5 Unit V V V V V A W W C C C C (11.4) (Ta=25C) Parameter Symbol Rating 1 Input voltage VIN 40 VADJ 7 Error input voltage VI-O 41 Input-output voltage 2 VOUT -1 Output - COM voltage 3 VC ON/OFF control voltage -0.3 to +40 1.5 Switching current ISW PD1 1.4 4 Power dissipation PD2 14 5 Junction temperature Tj 150 Operating temperature Topr -20 to +80 Storage temperature Tstg -40 to +150 Tsol Soldering temperature 260 (10s) Notice 4 0.2 Absolute Maximum Ratings 3 (6.8) (24.6) 2 PQ1CG21H2RZ 10.2MAX. (2.2) (0.5) 4.70.6 4.70.6 4-(1.7) 2.60.5 1 2 3 4 1 2 3 4 5 5 ( VIN VOUT COM OADJ ON/OFF ) : Typical dimensions *Please refer to the chapter " Handling Precautions ". 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. Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/ Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ Electrical Characteristics (Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25C) MIN. TYP. MAX. Unit Symbol Conditions Parameter Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load regulation Line regulation Efficiency Oscillation frequency VSAT Vref Vref |RegL| |RegI| fO fO IL ICHG VTHL VTHH VTH(ON) ISD IQS Oscillation frequency temperature fluctuation Overcurrent detecting level Charge current Input threshold voltage ON threshold voltage Stand-by current Output OFF-state dissipation current ISW=1A - Tj=0 to 125C IO=0.2 to 1A VIN=8 to 35V IO=1A - Tj=0 to 125C - 2 , 4 terminals is open, 5 terminal Duty ratio=0%, 4 terminal=0V, 5 terminal Duty ratio=100%, 4 terminals is open, 5 terminal 4 terminal=0V, 5 terminal VIN=40V, 5 terminal=0V VIN=40V, 5 terminal=0.9V - 1.235 1.0 1.26 1.5 1.285 - - - - 80 - 1.55 - - - 0.7 - - 0.5 0.2 0.5 84 100 2 2.0 -10 1.3 2.3 0.8 140 8 - 1.5 2.5 - 120 - 2.6 - - - 0.9 400 12 V V % % % % kHz % A A V V V A mA Fig.1 Test Circuit 4 L 210H 1 ISD IQS IO VO 2 PQ1CG21H2 A R2 5 + + Load 3 VIN A CIN 100F D ICHG CO 470F R1 1k L : HK-14S100-2110 (made by Toho Co.) D :ERC80-004 (made by Fuji electronics Co.) Fig.2 Power Dissipation vs. Ambient Temperature Fig.3 Overcurrent Protection Characteristics (Typical Value) 20 6 Ta=25C VIN=12V VO=5V 15 PD2 : With infinite heat sink Output voltage VO (V) Power dissipation PD (W) 5 10 4 3 2 5 1 PD1 : No heat sink 0 -20 0 0 20 40 60 80 100 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area 0 1 2 Output current IO (A) 3 4 Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ Fig.4 Efficiency vs. Input Voltage Fig.5 Output Saturation Voltage vs. Switching Current 1.4 100 VO=12V, IO=1A VO=12V, IO=0.2A Tj=25C Output saturation voltage VSAT (V) Tj=25C Efficiency (%) 90 80 VO=5V, IO=1A 70 VO=5V, IO=0.2A 60 1.2 1 0.8 0.6 0.4 0.2 0 50 5 15 25 35 0 45 0.5 Fig.6 Stand-by Current vs. Intput Voltage 2 2 Reference voltage fluctuation (%) 200 Stand-by current ISD (A) 1.5 Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 250 150 100 50 0 5 10 15 20 25 30 35 VIN=12V VO=5V 1 0 -1 -2 -20 0 40 0 20 40 60 80 100 120 Junction temperature Tj (C) Intput voltage VIN (V) Fig.8 Load Regulation vs. Output Current Fig.9 Line Regulation vs. Input Voltage 1.5 1 Tj=25C VO=5V IO=0.2A Tj=25C VIN=12V VO=5V Line regulation RegI (%) Load regulation RegL(%) 1 Switching current ISW (A) Input voltage VIN (V) 0.5 0 1 0.5 0 -0.5 -0.5 0 0.2 0.4 0.6 0.8 Output current IO (A) 1 1.2 5 10 15 20 25 30 Input voltage VIN (V) 35 40 Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature 6 VIN=12V VO=5V Overcurrent detecting level fluctuation (%) Oscillation frequency fluctuation (%) 2 Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature 0 -2 -4 -6 -8 -10 -20 0 20 40 60 80 100 4 2 0 -2 -4 -6 -8 -20 120 20 40 60 100 120 10 3 VTH(H) 2.5 2 VTH(L) 1.5 1 0.5 VTH(ON) -25 Tj=25C VO=5V VIN=12V 9 IO=1A 8 7 IO=0.2A 6 No load 5 0 25 50 75 100 125 150 0 10 Junction temperature Tj (C) 20 Input voltage VIN (V) Fig.14 Block Diagram VIN Voltage regulator 2 VOUT 5 ON/OFF 4 VADJ ON/OFF circuit PWM COMP. + Overcurrent detection circuit Q R S F/F Soft start _ Oscillator 1 80 Fig.13 Operating Dissipation Current vs. Input Voltage Operating dissipation current IQ' (mA) Threshold voltage VTH (ON) ,VTH (L) ,VTH (H) (V) Fig.12 Threshold Voltage vs. Junction Temperature 0 -50 0 Junction temperature Tj (C) Junction temperature Tj (C) _ ERROR AMP. + Vref Overheat detection circuit 3 COM 30 40 Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ Fig.15 Step Down Type Circuit Diagram 4 1 L 210H VO 5V 2 PQ1CG21H2 5 R2 3k + VIN 8 to 35V 3 CS CIN 100F RS + Load D CO 470F R1 1k RS50k ON/OFF control signal Fig.16 Polarity Inversion Type Circuit Diagram 4 1 L 130H 2 PQ1CG21H2 R2 3k 5 + VIN 5 to 30V 3 CIN 100F CS RS + Load D CO 2 200F R1 1k ON/OFF control signal RS50k VO -5V NOTICE The circuit application examples in this publication are provided to explain representative applications of SHARP devices and are not intended to guarantee any circuit design or license any intellectual property rights. SHARP takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of SHARP's devices. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. SHARP reserves the right to make changes in the specifications, characteristics, data, materials, structure, and other contents described herein at any time without notice in order to improve design or reliability. Manufacturing locations are also subject to change without notice. Observe the following points when using any devices in this publication. SHARP takes no responsibility for damage caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used specified in the relevant specification sheet nor meet the following conditions: (i) The devices in this publication are designed for use in general electronic equipment designs such as: - - - Personal computers - -- Office automation equipment - -- Telecommunication equipment [terminal] - - - Test and measurement equipment - - - Industrial control - -- Audio visual equipment - -- Consumer electronics (ii) Measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when SHARP devices are used for or in connection with equipment that requires higher reliability such as: - -- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.) - - - Traffic signals - - - Gas leakage sensor breakers - - - Alarm equipment - -- Various safety devices, etc. (iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely high level of reliability and safety such as: - - - Space applications - -- Telecommunication equipment [trunk lines] - -- Nuclear power control equipment - -- Medical and other life support equipment (e.g., scuba). 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