PQ20WZ51J00H/PQ20WZ11J00H PQ20WZ51J00H PQ20WZ11J00H Variable Output,Surface Mount Type Low Power-Loss Voltage Regulators ■ Outline Dimensions Features (Unit : mm) 1.Low power-loss (Dropout voltage:MAX.0.5V) 2.Surface mount package 3.Output current (0.5A:PQ20WZ51J00H) (1.0A:PQ20WZ11J00H) 4.Reference voltage precision:±2.0% 5.Variable output voltage(3 to 20V) 6.Built-in ON/OFF control function 7.Low dissipation current at OFF-state(Iqs:MAX.5μA) 8.Built-in overcurrent and overheat protection functions 9.RoHS directive compliant 2.3±0.5 6.6M A X. 5.2±0.5 (0.5) 3 5.5±0.5 Lead finish identification mark (1.7) H 0.5+0.2 -0.1 (0.5) 4–(1.27) Applications ( 1.Personal computers 2.CD-ROM drives 3.Power supplies for various OA equipment (0.9) (0～0.25) 2.5MIN. 9.7MAX. Epoxy resin 2 0 WZ5 1 ) : Typical dimensions Product mass:(0.3g) 1 2 3 4 5 Internal connection diagram 1 Model Line-up 3 Specific IC Output current (IO) 0.5A 1A Package type Taping Sleeve Taping Sleeve Variable output 5 PQ20WZ5UJ00H PQ20WZ51J00H PQ20WZ1UJ00H PQ20WZ11J00H Absolute Maximum Ratings Parameter Input voltage Lead finish:Lead-free solder plating (Composition: Sn2Cu) (Ta=25°C) Rating Symbol VIN 24 ON/OFF control terminal voltage VC 24 *1 Output adjustment terminal voltage VADJ 5 Output PQ20WZ51J00H 0.5 IO current PQ20WZ11J00H 1 *2 Power dissipation PD 8 *3 Junction temperature 150 Tj T opr -20 to +80 Operating temperature Tstg -40 to +150 Storage temperature Soldering temperature Tsol 260(10s) *1 4 2 ①DC input (VIN) ②ON/OFF control terminal (VC) ③DC output (VO) ④Output voltage adjustment terminal (VADJ) ⑤GND Heat sink is common to terminal ③ (VO) Unit V V V A W ˚C ˚C ˚C ˚C *1 All are open except GND and applicable terminals. *2 PD: With infinite heat sink *3 Overheat protection may operate at Tj:125°C to 150°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.: OP06025 PQ20WZ51J00H/PQ20WZ11J00H Electrical Characteristics (Unless otherwise specified,condition shall be VIN=5V,VO=3.3, Parameter Symbol VIN Input voltage MIN. TYP. MAX. Unit - 3.5 - 24 V Output voltage VO Load regulation RegL 5 Line regulation Ripple rejection RegI VIN=4 to 10V , IO=5mA - 2.5 % RR Refer to Fig.2 45 60 - dB Reference voltage Vref 4 2.574 2.64 2.706 V TCVref Tj=0 to +125°C, IO=5mA VI-O 4, 6 - ±1.0 Temperature coefficient of reference voltage Dropout voltage 7 4,R1=2kΩ,R2=500Ω,VC=2.7V,Ta=25°C) Conditions Quiescent current ON-state voltage for control Iq IO=0A VC(ON) ON-state current for control IC(ON) - 3.0 2.0 OFF-state voltage for control VC(OFF) IO=0A OFF-state current for control IC(OFF) IO=0A,VC=0.4V Iqs IO=0A,VC=0.4V Output OFF-state consumption current - - 20 V 2.0 % - % 0.5 V 8 mA - V 200 μA 0.8 V 2.0 μA 5.0 μA 4 PQ20WZ51J00H:IO＝0.3A,PQ20WZ11J00H:IO＝0.5A 5 PQ20WZ51J00H:IO＝5mA to 0.5A,PQ20WZ11J00H:IO＝5mA to 1.0A 6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. 7 In case of opening control terminal ② , output voltage turns off. Fig.1 Test Circuit VIN 1 VC R2 Vref 2 A IO + 4 5 A 0.33μF VO 3 V 47μF IC R1 Iq A V RL 2kΩ VO=Vref×(1+R2/R1) [R1=2kΩ, VREF ≒ 2.64V] Fig.2 Test Circuit for Ripple Rejection + 3 1 ei ~ IO R2 VC 4 2 0.33μF Vref 5 VIN 2.7V 47μF R1 2kΩ eo + V ~ RL f=120Hz (sine wave) ei(rms)=0.5V VIN=5V VO=3.3V(R1=2kΩ) IO=0.3A RR=20log(ei(rms)/eo(rms)) Sheet No.: OP06025 2 PQ20WZ51J00H/PQ20WZ11J00H Fig.3 Power Dissipation vs. Ambient Temperature Fig.4 Overcurrent Protection Characteristics (Typical Value)(PQ20WZ51J00H) 4 PD:With infinite heat sink 8 Output voltage VO(V) Power dissipation PD (W) 10 5 0 -20 20 0 40 60 80 VO=3.3V 3 Vi–O=0.5V Vi–O=1V Vi–O=2V Vi–O=3V 2 1 0 100 120 140 150 0 0.5 Ambient temperature Ta (°C) 1.0 1.5 2.0 Output current IO (A) Note) Oblique line portion:Overheat protection may operate in this area. Fig.5 Overcurrent Protection Characteristics (Typical Value)(PQ20WZ11J00H) R1=2kΩ Vi–O=0.5V 3 Vi–O=1V Vi–O=2V 2 Vi–O=3V 1 0 0 Output Voltage Adjustment Characteristics 20 VO=3.3V Output voltage VO(V) Output voltage VO(V) 4 Fig.6 0.5 1.0 1.5 15 10 5 0 0.1 2.0 1 10 Output current IO (A) Fig.7 Reference Voltage Deviation vs. Junction Temperature (Typical Value) 20 15 10 Fig.8 Output Voltage vs. Input Voltage (PQ20WZ51J00H) VIN=7V VO=3.3V(R1=2kΩ,R2=0.5kΩ) IO=0.3A (PQ20WZ51J00H) =0.5A (PQ20WZ11J00H) 7 5 0 PQ20WZ11J00H -5 -10 -15 PQ20WZ51J00H 6 5 4 RL=∞Ω 3 RL=11Ω 2 RL=6.6Ω 1 -20 -25 -25 R1=2kΩ ,R2=0.5kΩ VC=2.7V , Ci=0.33μF , C0=47μF Tj=25°C 8 Output Voltage VO (V) Reference voltage deviation ΔVref (mV) 25 0 25 50 75 100 R2 (kΩ) 100 0 125 Junction temperature Tj (˚C) 0 1 2 3 4 5 6 7 8 Input Voltage VIN (V) Sheet No.: OP06025 3 PQ20WZ51J00H/PQ20WZ11J00H Fig.10 Fig.9 Output Voltage vs. Input Voltage (PQ20WZ11J00H) 0.19 Dropout voltage Vi-O(V) 7 Output Voltage VO (V) 0.2 R1=2kΩ ,R2=0.5kΩ VC=2.7V , Ci=0.33μF , C0=47μF Tj=25°C 8 6 5 4 RL=∞Ω 3 RL=6.6Ω 2 RL=3.3Ω 1 0 0 Fig.11 1 2 3 4 0.18 0.17 0.16 0.15 0.14 0.13 0.12 5 6 7 Input Voltage VIN (V) 0.1 -25 8 Quiescent current Iq(mA) Dropout voltage Vi-O(V) 75 0.15 0.14 0.13 0.12 VIN=3.135V, Vc=2.7V, R1=2kΩ, R2=0.5kΩ, IO=0.5A 0 25 50 75 100 2 1 75 Ripple rejection RR (dB) 75 PQ20WZ11J00H PQ20WZ51J00H 60 55 50 45 10 25 50 75 100 125 Fig.14 Ripple Rejection vs. Output Current (PQ20WZ51J00H) 80 1 0 Junction temperature Tj (˚C) 80 Tj=25°C IO=0.3A VIN=5V ei(rms)=0.5V(sine wave) R1=2kΩ,RR=20 log(ei(rms)/eo(rms)) R2=0.5kΩ 40 125 3 0 -25 125 Fig.13 Ripple Rejection vs. Input Ripple Frequency 70 100 VIN=5V IO=0A VC=2.7V R1=2kΩ R2=0.5kΩ 4 Junction temperature Tj (˚C) Ripple rejection RR (dB) 50 5 0.16 0.1 25 Fig.12 Quiescent Current vs. Junction Temperature 0.17 65 0 Junction temperature Tj (˚C) 0.18 0.1 -25 VIN=3.135V, Vc=2.7V, R1=2kΩ, R2=0.5kΩ, IO=0.3A 0.11 Dropout Voltage vs. Junction Temperature(PQ20WZ11J00H) 0.11 Dropout Voltage vs. Junction Temperature(PQ20WZ51J00H) 70 65 60 55 50 45 40 100 Input ripple frequency f (kHz) Tj=25°C VIN=5V R1=2kΩ R2=0.5kΩ ei(rms)=0.5V f=120Hz (sine wave) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Output current IO (A) Sheet No.: OP06025 4 PQ20WZ51J00H/PQ20WZ11J00H Fig.15 Ripple Rejection vs. Output Current (PQ20WZ11J00H) Fig.16 Circuit Operating Current vs. Input Voltage (PQ20WZ51J00H) Circuit operating current IBIAS (mA) 80 Ripple rejection RR (dB) 75 70 65 60 55 Tj=25°C 50 VIN=5V R1=2kΩ 45 R2=0.5kΩ ei(rms)=0.5V 40 f=120Hz (sine wave) 20 15 RL=6.6Ω 10 RL=11Ω 5 RL=∞Ω 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Vc=2.7V, R1=2kΩ, R2=0.5kΩ (Vo=3.3V) 1 2 3 4 5 6 Input voltage VIN (V) Output current IO (A) Fig.17 Circuit Operating Current vs. Input Voltage (PQ20WZ11J00H) Circuit operating current IBIAS (mA) 30 Vc=2.7V, R1=2kΩ, R2=0.5kΩ (Vo=3.3V) 25 20 RL=3.3Ω 15 RL=6.6Ω 10 RL=∞Ω 5 0 0 1 2 3 4 5 6 7 8 Input voltage VIN (V) Fig.18 Power Dissipation vs. Ambient Temperature Power dissipation PD (W) 3 Cu area 740mm2 2 Mounting PCB Cu area 180mm2 1 PCB Cu Cu area 100mm2 Cu area 70mm2 Cu area 36mm2 0 -20 0 20 Material : Glass-cloth epoxy resin Size : 50×50×1.6mm Cu thickness : 35μm 40 60 80 100 Ambient temperature Ta (°C) Sheet No.: OP06025 5 PQ20WZ51J00H/PQ20WZ11J00H ■ Setting of Output Voltage Output voltage is able to set from 3V to 20V when resistors R1 and R2 are attached to ,③、④、⑤ terminals. As for the external resistors to set output voltage, refer to the figure below and Fig.6. VO 3 R2 VO=Vref×1＋R2/R1 （R1=2kΩ,Vref≒2.64V） 4 R1 + 5 Vref ■ Typical Application DC Input 1 VO 3 R2 VIN CIN 2 CO 4 + 47μF 5 Load R1 2kΩ ⎞ ⎞ ON/OFF signal ⎟ High:Output ON ⎟ ⎠ Low or Open:Output OFF ⎠ Sheet No.: OP06025 6