PQ6CU12X2APQ PQ6CU12X2APQ CMOS Step-up Chopper Regulator ■ Outline Dimensions Features 1.High switching voltage :MAX.40V (Unit:mm) (1.9) 2.Switching current: 250mA 5 6 4 3.Oscillation frequency variable: 300 to 800 kHz C 0 7 4.Small package (2.9×2.8×1.3mm) 5.Possible to use ceramic capacitor 1 6.Built-in overcurrent protection functions 2 3 (0.95) 6–0.4±0.1 (0.95) 1.1±0.2 (0.3) 1.8±0.2 0.08MIN. 1.3MAX 3.3MAX. (2.9TYP. excluding remaining gate) 0.15±0.1 7.RoHS directive compliant 0～0.1 Applications 1.Power supply for tuner of digital AV equipment 15°MAX. 2.8±0.3 2.LCD monitors ( Terminal Absolute Maximum Ratings Rating Unit VIN VSW VC VC FB ISW Pd Tj Topr Tstg Tsol 6.5 40 VIN VIN VIN 250 350 150 -40 to +85 -40 to +150 260(10s) V V V V V mA mW °C °C °C °C Rating Parameter Symbol -40 to +125 Operating Junction temperature Tj Unit ) : Typical dimensions Product mass:(0.02g) ①Switch terminal (VSW) ②GND terminal ③Feed back terminal (FB) ④ON/OFF Control terminal (ON/OFF) ⑤Frequency adjustment terminal (OSC) ⑥VIN terminal(VIN) (Ta=25°C) Symbol Parameter Input voltage Switching voltage ON/OFF control voltage OSC voltage Feed back voltage Switching current Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature 0.08MIN. Lead finish:Lead-free solder plating (Composition: Sn2Bi) Operating conditions °C 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.: OP06066 PQ6CU12X2APQ Electrical Characteristics (Unless otherwise specified,condition shall be VIN=VC=5V,VO=30V,IO=10mA,fO=500kHz,Ta=25°C) Parameter Symbol Input-output voltage range VIN Quiescent current Iｑ ISD Stand-by current MIN. Conditions - TYP. 3 - - MAX. Unit 5.5 V 0.8 0.1 1.8 1 mA μA 0.97 1 1.03 V - 0.7 1 3 3 % % 300 375 - 800 kHz 500 625 kHz - - % mA Switching,IO=0mA VC=0V Error amplifier - Reference voltage Line regulation VREF |RegI| VIN=4 to 5.5V,IO=5mA Load regulation |RegL| IO=1 to 15mA Oscillator Oscillation frequency range - fo(range) Oscillation frequency ROSC=130kΩ fo Maximum duty DMAX - 90 Power switch Overcurrent detection level IL Switching current peak 260 On-resistance RON ISW=150mA Leakage current ILEAK VSW=40V - ON/OFF control terminal ON-state voltage for control OFF-state voltage for control - VC(ON) VC(OFF) ON-state current for control IC(ON) 1 - - - 1.7 2.5 Ω 0.01 1 μA - 0.4 V V 100 μA Fig.1 Standard measuring circuit L SBD 56μH A Iq Isd A VO IL ILEAK IO VSW VIN R2 290kΩ VIN CIN 2.2μF A ON/OFF FB IC GND CO 1μF OSC ROSC VC R1 10kΩ V Vref ON/OFF control logic L:CDRH4D18シリーズ(SUMIDA CORPORATION.) D:MA2Z720(MATSUSHITA ELECTRIC INDUSTRIAL CO.,LTD) Output OFF ON OFF 4pin LOW HIG H OPE N Fig.2 Power Dissipation vs.Ambient Temperature Fig.3 Reference Voltage Fluctuation vs. Junction Temperature Reference voltage fluctuation ΔVREF (%) 400 Power dissipation Pd (mW) Pd : Mounting PCB 300 200 100 0 -40 -25 0 25 50 75 85 100 125 150 4 VIN=VC=5V VO=30V IO=10mA CIN=2.2μF CO=1μF L=56μH fO=500kHz 3 2 1 0 -1 -2 -3 -4 -50 -25 0 25 50 75 100 125 Junction temperature Tj (°C) Ambient temperature Ta (°C) Sheet No.: OP06066 2 PQ6CU12X2APQ 20 Fig.5 Oscillation Frequency vs.Resistance (ROSC) 1000 VIN=VC=5V VO=30V CIN=2.2μF CO=1μF L=56μH IO=10mA ROSC=130kΩ 15 10 5 VIN=VC=5V VO=30V CIN=2.2μF CO=1μF L=56μH IO=10mA Tj=25˚C 900 800 700 fO (kHz) Oscillation frequency fluctuation ΔfO (%) Fig.4 Oscillation Frequency Fluctuation vs. Junction Temperature 0 -5 600 500 400 300 -10 200 -15 100 -20 -50 -25 0 25 50 75 100 0 50 125 100 150 Fig.6 On-resistance vs. Junction Temperature 1.0 ON-state voltage for control VC(ON) (V) 3.0 2.5 2.0 1.5 1.0 VIN=VC=5V ISW=200mA CIN=2.2μF CO=1μF fO=500kHz 0.5 0 -50 -25 0 25 50 75 250 300 Fig.7 ON-state Voltage for Control vs. Junction Temperature 3.5 On-resistance RON (Ω) 200 ROSC(kΩ) Junction temperature Tj (°C) 100 0.9 0.8 0.7 0.6 0.5 0.4 0.3 -50 125 Junction temperature Tj (°C) VIN=VC=5V VO=30V IO=10mA CIN=2.2μF CO=1μF L=56μH fO=500kHz -25 0 25 50 75 100 125 Junction temperature Tj (°C) Fig.8 ON-state Current for Control vs. Junction Temperature ON-state current for control IC(ON) (μA) 60 VIN=VC=5V VO=30V IO=10mA CIN=2.2μF CO=1μF L=56μH fO=500kHz 50 40 30 20 10 0 -50 -25 0 25 50 75 100 125 Junction temperature Tj (°C) Sheet No.: OP06066 3 PQ6CU12X2APQ Block Diagram L D VIN VIN CIN VSW ON/OFF ON/OFF Circuit CO R2 PWM CMP. ERROR AMP FB Drive Circuit R1 Vref Over current protection Frequency adjustment OSC Σ Oscillator ROSC GND Example of application L VIN VIN 5V IO=10mA SBD 56μH R2 290kΩ VSW VO 30V FB ON/OFF CIN 2.2μF GND CO 1μF OSC ROSC 130kΩ LOAD R1 10kΩ ON/OFF Sheet No.: OP06066 4