PQ6CU12X2APQ

PQ6CU12X2APQ PQ6CU12X2APQ CMOS Step-up Chopper Regulator Features 1.High switching voltage :MAX.40V 2.Switching current: 250mA 3.Oscillation frequency variable: 300 to 800 kHz 4.Small package (2.9×2.8×1.3mm) 5.Possible to use ceramic capacitor 6.Built-in overcurrent protection functions 7.RoHS directive compliant ■ Outline Dimensions (1.9) 6 5 4 (Unit:mm) C07 1 2 3 6–0.4±0.1 (0.95) (0.95) 1.1±0.2 (0.3) 3.3MAX. (2.9TYP. excluding remaining gate) 1.8±0.2 Applications 1.Power supply for tuner of digital AV equipment 2.LCD monitors 1.3MAX 0～0.1 0.15±0.1 15°MAX. 0.08MIN. 2.8±0.3 0.08MIN. ( ) : Typical dimensions Terminal Product mass:(0.02g) Absolute Maximum Ratings 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 Symbol VIN VSW VC VC FB ISW Pd Tj Topr Tstg Tsol (Ta=25°C) Rating 6.5 40 VIN VIN VIN 250 350 150 -40 to +85 -40 to +150 260(10s) Unit V V V V V mA mW °C °C °C °C ①Switch terminal (VSW) ②GND terminal ③Feed back terminal (FB) ④ON/OFF Control terminal (ON/OFF) ⑤Frequency adjustment terminal (OSC) ⑥VIN terminal(VIN) Lead finish:Lead-free solder plating (Composition: Sn2Bi) Operating conditions Rating Parameter Symbol -40 to +125 Operating Junction temperature Tj Unit °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 Parameter Input-output voltage range Quiescent current Stand-by current VIN Iｑ ISD (Unless otherwise specified,condition shall be VIN=VC=5V,VO=30V,IO=10mA,fO=500kHz,Ta=25°C) Symbol Conditions MIN. 3 - TYP. - MAX. 5.5 1.8 1 Unit V mA μA Switching,IO=0mA VC=0V 0.97 0.8 0.1 Error amplifier Reference voltage Line regulation Load regulation VREF |RegI| |RegL| VIN=4 to 5.5V,IO=5mA IO=1 to 15mA 1 0.7 1 1.03 3 3 V % % 300 375 90 260 Oscillator Oscillation frequency range Oscillation frequency Maximum duty fo(range) fo DMAX IL RON ILEAK VC(ON) VC(OFF) IC(ON) ROSC=130kΩ 500 800 625 kHz kHz % mA Ω μA V V μA Switching current peak ISW=150mA VSW=40V 1.7 0.01 2.5 1 Power switch Overcurrent detection level On-resistance Leakage current 1 ON/OFF control terminal ON-state voltage for control OFF-state voltage for control ON-state current for control L - - 0.4 100 Fig.1 Standard measuring circuit 56μH SBD A VO A Iq Isd IL ILEAK IO R2 290kΩ VIN VIN CIN 2.2μF A VSW ON/OFF IC GND VC FB OSC ROSC V CO 1μF R1 10kΩ Vref ON/OFF control logic　 4pin LOW HIG H OPE N Output　 OFF ON OFF L:CDRH4D18シリーズ(SUMIDA CORPORATION.) D:MA2Z720(MATSUSHITA ELECTRIC INDUSTRIAL CO.,LTD)　 Fig.2 Power Dissipation vs.Ambient Temperature 400 Fig.3 Reference Voltage Fluctuation vs. Junction Temperature Reference voltage fluctuation ΔVREF (%) 4 3 2 1 0 -1 -2 -3 -4 -50 -25 0 25 50 75 100 125 VIN=VC=5V VO=30V IO=10mA CIN=2.2μF CO=1μF L=56μH fO=500kHz Pd : Mounting PCB　 Power dissipation Pd (mW) 300 200 100 -40 -25 0 0 25 50 75 85 100 125 150 Ambient temperature Ta (°C) Junction temperature Tj (°C) Sheet No.: OP06066 2 PQ6CU12X2APQ Fig.4 Oscillation Frequency Fluctuation vs. Junction Temperature Oscillation frequency fluctuation ΔfO (%) 20 15 10 5 0 -5 -10 -15 -20 -50 -25 0 25 50 75 100 125 VIN=VC=5V VO=30V CIN=2.2μF CO=1μF L=56μH IO=10mA ROSC=130kΩ Fig.5 Oscillation Frequency vs.Resistance (ROSC) 1000 900 800 700 VIN=VC=5V VO=30V CIN=2.2μF CO=1μF L=56μH IO=10mA Tj=25˚C fO (kHz) 600 500 400 300 200 100 0 50 100 150 200 250 300 Junction temperature Tj (°C) ROSC(kΩ) Fig.6 On-resistance vs. Junction Temperature 3.5 Fig.7 ON-state Voltage for Control vs. Junction Temperature 1.0 ON-state voltage for control VC(ON) (V) 3.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 -50 On-resistance RON (Ω) 2.5 2.0 1.5 1.0 0.5 0 -50 -25 0 25 50 VIN=VC=5V ISW=200mA CIN=2.2μF CO=1μF fO=500kHz VIN=VC=5V VO=30V IO=10mA CIN=2.2μF CO=1μF L=56μH fO=500kHz 75 100 125 -25 0 25 50 75 100 125 Junction temperature Tj (°C) Junction temperature Tj (°C) Fig.8 ON-state Current for Control vs. Junction Temperature 60 ON-state current for control IC(ON) (μA) 50 40 30 20 10 0 -50 -25 VIN=VC=5V VO=30V IO=10mA CIN=2.2μF CO=1μF L=56μH fO=500kHz 0 25 50 75 100 125 Junction temperature Tj (°C) Sheet No.: OP06066 3 PQ6CU12X2APQ 　　Block Diagram L D VIN CIN VIN VSW ON/OFF ON/OFF Circuit R2 PWM CMP. ERROR AMP CO FB Drive Circuit Vref R1 Over current protection Frequency adjustment Oscillator Σ OSC ROSC GND 　 Example of application 56μH L SBD R2 290kΩ IO=10mA VIN VSW FB VO 30V LOAD VIN 5V CIN 2.2μF ON/OFF GND OSC ROSC 130kΩ R1 10kΩ CO 1 μF ON/OFF Sheet No.: OP06066 4