PQ1CG38M2FZH/PQ1CG38M2RZH PQ1CG38M2FZH PQ1CG38M2RZH TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit ■ Outline Dimensions Features 1.Maximum switching current: 0.8A 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,overcurrent protection functions 6.TO-220 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.PQ1CG38M2FZH: Zigzag forming PQ1CG38M2RZH: Self-stand forming 9.RoHS directive compliant PQ1CG38M2FZH 4.5±0.2 3.6±0.2 (1.5) 10.2MAX. 7.4±0.2 (6.8) 2.8±0.2 (0.5) (1.5) 4.4MIN. 5–0.8±0.1 4–(1.7) 3.2±0.5 (5.0) 8.2 ( ±0.7 ) : Typical dimensions Product mass:(1.5g) Applications 1 1.Color TV 2.Digital OA equipment 3.Facsimiles,printers and OA equipment 4.Personal computers and amusement equipment 2 3 4 ①VIN ②VOUT ③COM ④Oadj ⑤ON/OFF 5 PQ1CG38M2RZH 4.5±0.2 3.6±0.2 (1.5) 10.2MAX. (6.8) 2.8±0.2 ±0.2 Absolute Maximum Ratings 7.4 PQ1CG38M (11.4) ø3.2±0.1 Lead finish identification mark (2.2) (Ta=25℃) Rating Unit 40 V 7 V 41 V -1 V -0.3 to +40 V 0.8 A 1.4 W 14 W 150 ℃ -20 to +80 ℃ -40 to +150 ℃ 260(10s) ℃ Epoxy resin H (1.7) (3.6) 0.8±0.1 6.0 ±0.5 (24.6) Parameter Symbol *1 VIN Input voltage Error input voltage VADJ Input - output voltage VI-O *2 Output - COM voltage VOUT *3 ON/OFF control voltage VC ISW Switching current PD1 *4 Power dissipation PD2 *5 Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol (2.0) (24.6) Epoxy resin H 5.0±0.5 Lead finish identification mark PQ1CG38M 16.4±0.7 ø3.2±0.1 (0.5) 4.7±0.6 4.7±0.6 4–(1.7) 2.6±0.5 ( ) : Typical dimensions Product mass:(1.5g) 1 *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 PD1:No heat sink,PD2: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. 2 3 4 5 ①VIN ②VOUT ③COM ④Oadj ⑤ON/OFF Lead finish:Lead-free solder plating (Composition: Sn2Cu) 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.: OP06038 PQ1CG38M2FZH/PQ1CG38M2RZH Electrical Characteristics (Unless otherwise specified,condition shall be VIN=12V,IO=0.5A,VO=5V,ON-OFF terminals is open,Ta=25℃) Parameter Symbol Output saturation voltage Reference voltage Reference voltage temperature fluctuation Conditions ISW=0.5A VSAT Vref － Tj=0 to 125℃ IO=0.2 to 0.5A VIN=8 to 35V IO=0.5A |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 fO IL ICHG MIN. TYP. MAX. Unit － 1.235 0.95 1.26 1.5 1.285 V V － － － － ±0.5 0.2 1 － 1.5 2.5 80 － % % % % 270 330 － Tj=0 to 125℃ Switching current peak － 0.85 300 ±3 1.2 － 1.6 kHz % A ②,④ terminals is open,⑤ terminal － -10 － VTHL VTHH Duty ratio=0%,④ terminal=0V,⑤ terminal Duty ratio=100%,④ terminal =1.1V, ⑤ terminal － － 1.3 2.1 － － V V VTH(ON) ISD IQS ④ terminal=0V,⑤ terminal VIN=40V,⑤ terminal=0V 0.7 － 0.8 0.9 V VIN=40V,④ terminal=0V,⑤ terminal =0.9V － 120 5 400 10 mA Fig.1 Test Circuit ④ ① ISD IQS L 65 H ② IO VO PQ1CG38M2 A R2 ⑤ + + ③ V IN C IN 100 F Load A D ICHG R1 1k L : HK-14S100-2110 (made by Toho Co.) D : ERC80-004 (made by Fuji electronics Co.) ON/OFF control logic Output OFF ON ON 5 pin LOW HIG H OPEN Fig.2 Power Dissipation vs.Ambient Temperature Fig.3 Overcurrent Protection Characteristics (Typical Value) 6 T a=25°C V IN =12V V O=5V 5 PD2:With infinite heat sink Output voltage VO(V) Power dissipation PD (W) 20 15 CO 470 F 10 5 4 3 2 1 PD1:No heat sink 0 -20 0 25 50 75 80 100 125 0 150 Ambient temperature Ta (°C) Note) Oblique line portion:Overheat protection may operate in this area 0 0.5 1 1.5 Output current IO (A) 2 Sheet No.: OP06038 2 PQ1CG38M2FZH / PQ1CG38M2RZH Fig.4 Efficiency vs. Input Voltage Fig.5 Output Saturation Voltage vs. Switching Current Output saturation voltage VSAT (V) 100 T j=25 C Efficiency (%) 90 80 70 60 V O=5V,I O=0.1A V O=5V,I O=0.5A V O=12V,I O=0.1A V O=12V,I O=0.5A 50 40 0 1.2 1 0.8 0.6 0.4 0.2 40 0 0.2 0.4 0.6 0.8 Switching current ISW (A) 1 Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 2 250 Reference voltage fluctuation (%) T j=25 C Standby current ISD(μA) T j=25 C 1.4 0 10 20 30 Input voltage VIN (V) Fig.6 Stand-by Current vs. Input Voltage 200 150 100 50 V IN =12V V O=5V 1.5 1 0.5 0 0.5 1 1.5 2 0 0 5 10 15 20 25 30 Input voltage VIN (V) 25 35 40 25 0 50 75 100 125 Junction temperature Tj (°C) Fig.8 Load Regulation vs. Output Current Fig.9 Line Regulation vs. Input Voltage 1 1.5 T j=25 C V IN =12V V O=5V Line regulation RegI (%) Load regulation RegL (%) 1.6 0.5 0 T j=25 C V O=5V I O=0.2A 1 0.5 0 0.5 0.5 0 0.1 0.2 0.3 0.4 0.5 Output current IO (A) 0 0.6 10 20 30 Input voltage VIN (V) 40 Sheet No.: OP06038 3 PQ1CG38M2FZH / PQ1CG38M2RZH Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) Oscillation frequency fluctuation (%) 10 V IN =12V V O=5V 8 6 4 2 0 2 4 6 8 10 25 0 25 50 75 100 Junction temperature Tj(°C) Operating dissipation current IQ'(mA) Threshold voltage VTH(ON), VTH(L), VTH(H)(V) V TH(H) 2 V TH(L) 1 V TH(ON) 0 25 0 25 50 75 100 Junction temperature Tj(°C) 0 2 4 6 8 0 25 50 75 100 Junction temperature Tj(°C) 125 Fig.13 Operating Dissipation Current vs. Input Voltage V IN =12V 0.5 2 25 3 1.5 4 125 Fig.12 Threshold Voltage vs. Junction Temperature 2.5 6 125 12 T j=25 C V O=5V 10 8 I O=0.5A 6 I O=0.1A 4 No load 2 0 0 10 20 30 Input voltage VIN(V) 40 Fig.14 Block Diagram V IN Voltage regulator V OUT 5 ON/OFF control 4 O adj _ + Q R S F/F Soft start PWM COMP. Overcurrent detection circuit 2 ON/OFF circuit Oscillator 1 _ ERROR AMP. + V ref Overheat detection circuit 3 COM Sheet No.: OP06038 4 PQ1CG38M2FZH / PQ1CG38M2RZH Fig.15 Step Down Type Circuit Diagram 4 ① L 65 H ② V O 5V PQ1CG38M2 5 R2 3k + 3 V IN CS C IN 100 F 8 to 35V + Load RS D CO 470 F R1 1k R S ≤50k ON/OFF control signal Fig.16 Polarity Inversion Type Circuit Diagram 0.47～1μF 100k～ 680kΩ ④ ① L 65 H ② PQ1CG38M2 ⑤ R2 3k + V IN 5～30V ③ C IN 100 F CS RS D R1 1k + Load CO 2 200 F 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.: OP06038 5