PQ1CF1 SHARP | Alldatasheet

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“ 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 version of the device specification sheets before using any SHARP's device. ” Chopper Regulators PQ1CF1 PQ1CF1 n Outline Dimensions (Unit : mm)n Features \ Maximum switching current : 3.5A \ With ON/OFF control function \ Built-in oscillation circuit (oscillation frequency : TYP.70kHz) \ Built-in overheat protection, overcurrent protection function \ Variable output voltage (1.26 to 35V /-1.26 to -30V) [Possible to choose step down output/inversing output according to external connection circuit] n Applications \ Facsimiles \ Printers \ Switching power supplies \` Personal computers PQ1CF1

1 VIN

2 VOUT

3 COM

4 OADJ

(24.6) 10.2MAX 7.4±0.2 3.6±0.2 φ3.2±0.1 5-0.8±0.1 4-(1.7) 4.5±0.2 2.8±0.2 16.4±0.7 2.0 3.2±0.5 l1l2l3l4l5 5.0±0.5 (5.0) 8.2±0.7 (0.5) (1.5) 4.4MIN Parameter Symbol Rating Unit V IN V ADJ V i-o V OUT V C ISW PD1 PD2 T j T opr T stg T sol -0.3 to 40 3.5 1.5 150 -20 to +80 -40 to +150 260 (For 10s) V V V V V A W W Input voltage Error input voltage Input-output voltage Output-COM voltage ON/OFF control voltage Switching current terminal voltage Power dissipation (No heat sink) Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature *1 Voltage between VIN terminal and COM terminal. *2 Voltage between VOUT terminal and COM terminal. *3 Voltage between VC terminal and COM terminal. *4 Overheat protection may operate at 125=<Tj=<150˚C n Absolute Maximum Ratings (Ta=25˚C)

  • Please refer to the chapter“ Handling Precautions ”.

5.1kΩ 0.068µFC IN 220µF Load C O 1000µF D R 1 1kΩ R 2 IO V O l1 l2 l5A L 90µH L : HK-12S120-9000R (made by Toho Co.) D : ERC80-004 (made by Fuji electronics Co.) PQ1CF1 Parameter Symbol Conditions UnitMAX.TYP.MIN. 1.235 3.9 -50 -150 0.75 1.55 0.5 1.4 1.26 ±0.6 0.2 0.6 5.1 -30 -100 0.9 1.8 0.6 140 1.8 1.285 1.5 2.5 6.3 -10 -50 1.2 2.05 0.7 400 n Electrical Characteristics (Unless otherwise specified, conditions shall be VIN=12V, Io=0.5A, VO =5V, Ta=25˚C) V SAT V ref ΔV ref |RegL| |RegI| η fo Δfo D MAX IL ICHG1 ICHG2 V THL V THH V TH (ON ) ISD IqS ISW= 3A T j=0 to 125˚C IO =0.5 to 3A V IN=8 to 35V IO =3A T j=0 to 125˚C 4terminal is open 24terminal is open, 5terminal 24terminal is open, 5terminal=0.7V Duty=0%, 4terminal=0V, 5terminal Duty=D MAX , 4terminal is open,5terminal 4terminal=0V, 5terminal V IN=40V, 5terminal=0V V IN=40V, 5terminal=0.7V V V kHz A µA µA V V V µA mA Output saturation voltage Reference voltage Temperature coefficient in reference voltage Load regulation Line regulation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Maximum duty Overcurrent detecting level Charge current1 Charge current2 Input threshold voltage On threshold voltage Stand-by current Output OFF-state consumption current n Block Diagram PWM COMP. F/F Q R S Oscillator

3 COM 5 VC

ERROR AMP. Fig.1 Test Circuit Fig.2 Power Dissipation vs. Ambient Temperature /,/, /,/, /,/, /,/, -20 0 20 40 60 100 80 PD2 PD1 Power dissipation PD (W) Ambient temperature Ta (˚C) PD1 :No heat sink PD2 :With infinite heat sink Note) Oblique line portion : Overheat protection may operate in this area.

n Step Down Type Circuit Diagram (5V output) n Polarity Inversion Type Circuit Diagram (-5V output) V IN 8 to 35V R C 5.1kΩC C 0.068µF C IN 220µF LoadC O 1000µF D R 1 1kΩ R 2 3kΩ V O =5V l1 l2 L 90µH ON/OFF control PQ1CF1 V O =-5V V IN 5 to 30V R C 5.1kΩC C 0.068µF C IN 220µF C O 2200µF D R 1 1kΩ R 2 3kΩ ++ l1 l2 L 65µH Load ON/OFF control PQ1CF1