PQ6CB11X1CP SHARP | Alldatasheet

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Technical content

Features

(Unit:mm)

Applications

1.Mobile phone 2.DSC 3.PDA PQ6CB11X1CP PQ6CB11X1CP 1.High switching voltage :MAX.30V (capable of driving max 6 LEDs in series connection) 2.Switching current: 250mA 3.High frequency PWM control :1.2MHz 4.High efficiency(efficiency：90%) 5.Built-in overheat, overcurrent protection functions 6.Built-in soft start function 7.RoHS directive compliant VIN Absolute Maximum Ratings Parameter Symbol Unit V V V V V (Ta=25°C) Rating Input voltage Output voltage VO 30 Switching voltage VSW 30 Control voltage CTRL VIN Feed back voltage FB 6 Switching current ISW 250 mA Power dissipation Pd 350 mW Junction temperature Tj 150 Operating temperature Topr -40 to +85 260(10s) Storage temperature Tstg -40 to +150 Soldering temperature Tsol Operating conditions Parameter Symbol Unit Rating Operating Junction temperature -40 to +125Tj Lead finish:Au plating Product mass:(10mg) ( ) : Typical dimensions Compact SMD CMOS Step-up LED Driver S (0.038) 0.8±0.1 0.14±0.1 2.0±0.2 1.0±0.15 0.8±0.15 0.5±0.15 0.5±0.15 0.2±0.1 (0.1)×8 0.3±0.15×6 0.2±0.1×5 ①②③ ④⑤⑥ 1.8±0.2 C06 (Old DIN standard) Lot.No. Model No. ①Feed back terminal(FB) ②GND terminal ③Switch terminal(VSW) ④VIN terminal(VIN) ⑤OVP terminal(VO) ⑥Control terminal(CTRL) ■ Outline Dimensions

Sheet No.: OP06061

Electrical Characteristics

V mA Parameter Reference voltage Oscillation frequency Overcurrent detection level Maximum duty CTRL pin bias current On-resistance Symbol Conditions MIN. TYP. MAX. Unit 0.8 1.6- 0.1 1- 90-- - 90.3 95 99.7 30 100 1 1.4 1.2 250 1.7 2.5 0.05 1 0.4 2.7 (Unless otherwise specified,condition shall be VIN=VCTRL=3.6V,VO=10V,IO=20mA,Ta=25°C) Input-output voltage range Efficiency ON-state voltage for control fo mV nA mA V V η MHz VREF VCTRL＝0V DMAX ISD DUTY=70%,Switching current peak μA RON ISW＝250mA VC(ON) OVP VIN Iｑ Switching,IO＝0mA

3 LEDs

VIN＝3V IL Ω ILEAK VSW＝28V,VIN=VCTRL=0V μA VC(OFF) μAICTRL - 5.5 Overvoltage detecting level 5pin 28 30 V Overvoltage detecting hysteresis level OVP(hys) 5pin - Quiescent current Stand-by current Error amplifier FB pin bias current Oscllator Power switch Leakage current Control terminal OFF-state voltage for control -- - 50 V ON/OFF Circuit Soft start circuit Σ CTRL VO FB GND PWM CMP. ERROR AMP 95mV Over voltage protection VIN CIN VIN VSW L D Rset CO Block Diagram 2.2μF 0.1μF GND VIN 3.6V CIN VIN Rset 4.75Ω CO CTRL ON/OFF L 22μH VSW D FB1 5 VO 20mA IO Example of application Control Circuit OSC

Sheet No.: OP06061 PQ6CB11X1CP Input voltage VIN (V) Fig.1 Standard measuring circuit L:VLP4612(TDK CO.,LTD.) D:MA2Z720(MATSUSHITA ELECTRIC INDUSTRIAL CO.,LTD) Output ON 2.2μF 1μF VIN CIN CO ICTRL L 22μH D A VC A Iq Isd A IL ILEAK A IFB 105.3kΩ 1kΩV IO Vref VO O N / OFF control logic 4pin LOW HIGH OPEN OFF OFF -40 -25 0 75 25 125 100 200 300 400 50 85 100 150 Pd : Mounting PCB -1.0 -25 0 25 50 75 100 125-50 -0.5 0.5 1.0 VIN=VCTRL=3.6V L=22μH White LED:3LEDs I O=20mA -1.0 -0.5 0.5 1.0 100 155 LED current IO(mA) 10 20 Power dissipation Pd (mW) Ambient temperature Ta (°C) Fig.3 Reference Voltage Fluctuation vs. Junction Temperature Junction temperature Tj (°C) Reference voltage fluctuation ΔVREF (%) Fig.4 Reference Voltage Fluctuation vs. Input voltage Reference voltage fluctuation ΔVREF (%) Fig.5 Effciency vs. LED Current Effciency η (％) Fig.2 Power Dissipation vs.Ambient Temperature VIN=VCTRL=3.6V L=22μH VF=3.8V,3LED IO=20mA Ta=25˚C VIN=VCTRL=3.6V L=22μH VF=3.8V,3LED Ta=25˚C

Sheet No.: OP06061 Fig.7 Oscillation Frequency Fluctuation vs. Junction Temperature Junction temperature Tj (°C) Oscillation frequency fluctuation ΔfO (%) Junction temperature Tj (°C) Fig.10 Use Range of White LED PQ6CB11X1CP 3.2 3.6 3.8 43 Input voltage VIN(V) 3.4 4.2 100 95 2LEDs 3LEDs 4LEDs -10 -25 0 25 50 75 100 125-50 10 VIN=VCTRL=3.6V 3LEDs / 20mA C IN=2.2μF CO=0.1μF L=22μH -25 0 25 50 75 100 125-500 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIN=VCTRL=3.6V VSW=3.6V ISW=250mA -25 0 25 50 75 100 125-500 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 VIN=3.6V 3LEDs / 5mA C IN=2.2μF CO=0.1μF L=22μH ■ Current-limit Fig.6 Effciency vs. Input Voltage Effciency η (％) Fig.8 On-Resistance vs. Junction Temperature On-resistance RON (Ω) Fig.9 ON/OFF-state Voltage for Control vs. Junction Temperature ON/OFF-state voltage for control VC (V) Junction temperature Tj (°C) This product monitors the switch current at every cycle and limits the switch current not to exceed the overcurrent detection level. Please set the white LED current under the maximum LED current shown in the graph indicated below within the range of input voltage (V IN) you use. Maximum LED current (mA) 3 4 4.5 52.5 VIN(V) 3.5 5.5 100 120 140 2LEDｓ 3LEDｓ 4LEDｓ 6LEDｓ Ta=25˚C VF=3.8V(2～4LEDs) VF=3.5V(6LEDs) L=22μH VF=3.8V IO=20mA Ta=25˚C