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| Low Power-Loss Voltage Regulators PQ05RB11 Series PQ05RB11 Series Low Power-Loss Voltage Regulators (Built-in Overheat Shut-Down Function) s Features Compact resin full-mold package Low power-loss (Dropout voltage : MAX.0.5V) Overheat shut-down function (Keep shut-down output until power-on again) Overcurrent protection type Built-in ON/OFF control function High-precision output type (Output voltage precision : 2.5%) s Outline Dimensions 10.2MAX 3.60.2 (Unit : mm) 4.50.2 2.80.2 7.40.2 29.1MAX PQ05RB11 4-1.4 13.5MIN +0.3 -0 4-0.6 +0.2 -0.1 s Applications Series power supply for TVs and VCRs Switching power supply 3-(2.54) (0.5) 1234 qqqq s Model Line-ups Output Model No. 5V PQ05RB11 9V PQ09RB11 12V PQ12RB11 Internal connection diagram 1 Specific IC 4 3 2 1 DC input (VIN) 2 DC output (VO) 3 GND 4 ON/OFF control terminal (VC) s Absolute Maximum Ratings Parameter *1 *1 (Ta=25C) Symbol VIN VC IO PD1 PD2 Tj Topr Tstr Tsol Rating 35 35 1 1.25 12.5 150 -20 to +80 -40 to +150 260 Unit V V A W W C C C C *2 *3 *1 *2 *3 Input voltage ON/OFF control terminal voltage Output current Power dissipation (No heat sink) Power dissipation (With infinte heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature All are open except GND and applicable terminals. Overheat shut-down function operates at Tj>=110C For 10s * Please refer to the chapter "Handling Precautions" . "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." 4.8MAX 15.60.5 3.20.1 (1.5) Low Power-Loss Voltage Regulators PQ05RB11 Series s Electrical Characteristics Parameter PQ05RB11 Output Voltage PQ09RB11 PQ12RB11 Load regulation Line regulation Temperature coefficient of output voltage Ripple rejection Dropout voltage ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current Overheat shut-down temperature *4 *5 *6 *7 (Unless otherwise specified, condition shall be IO=0.5A, VIN=*4, Ta=25C) Symbol VO RegL RegI TCVO RR Vi-O VC(ON) IC(ON) VC(OFF) IC(OFF) Iq TSD IO=5mA to 1A *5 Conditions - Tj=0 to 125C, IO=5mA Refer to Fig.2 *6, IO=0.5A VC=2.7V VC =0.4V IO=0A - MIN. 4.88 8.78 11.7 45 2.0 *7 110 TYP. 5.0 9.0 12.0 0.1 0.5 0.02 55 130 MAX. 5.12 9.22 12.3 2.0 2.5 0.5 20 0.8 -0.4 10 150 Unit V % % %/C dB V V A V mA mA C PQ05RB11:VIN=7V, PQ09RB11:VIN=15V, PQ12RB11:VIN=18V PQ05RB11:VIN=6 to 12V, PQ09RB11:VIN=10 to 25V, PQ12RB11:VIN=13 to 29V Input voltage shall be the value when output voltage is 95% in comparison with the initial value. In case of opening control terminal 4, output voltage turns on. Fig.1 Test Circuit VIN 1 q 2 q 4 q 3 q 0.33F VC 47F VO Fig.2 Test Circuit of Ripple Rejection 1 q 2 q IO 4 47F q 3 q VIN 0.33F + + A + IO ~ ei A Iq IC V RL RL V eo ~ A f=120Hz (sine wave) ei=0.5Vrms RR=20 log (ei/eo) Fig.3 Power Dissipation vs. Ambient Temperature PD2 Fig.4 Overcurrent Protection Characteristics (Typical Value) 100 Relative output voltage (%) Power dissipation PD (W) 10 80 60 40 20 0 5 PD1 :No heat sink PD2 :With infinite heat sink 0 -20 PD1 0 50 100 150 Ambient temperature Ta (C) Note) Oblique line portion : Overheat protection operates in this area. 0 0.5 1.0 1.5 Output current IO (A) 2.0 Low Power-Loss Voltage Regulators Fig.5 Output Voltage vs. Input Voltage (PQ05RB11) 6 5 RL= Output voltage VO (V) RL=10 4 RL=5 3 2 1 0 Tj=25C PQ05RB11 Series Fig.6 Output Voltage vs. Input Voltage (PQ09RB11) 10 9 8 7 6 5 4 3 2 1 0 Tj=25C RL= RL=18 RL=9 Output voltage VO (V) 0 1 2 345678 Input voltage VIN (V) 9 10 0 2 4 6 8 10 Input voltage VIN (V) 12 Fig.7 Output Voltage vs. Input Voltage (PQ12RB11) 15 Tj=25C Fig.8 Dropout Voltage vs. Junction Temperature 0.50 0.45 RL=24 10 RL=12 5 Dropout voltage Vi-O (V) RL= 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 -25 0.25A 0.75A 0.5A IO=1A Output voltage VO (V) 0 0 5 10 Input voltage VIN (V) 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.9 Circuit Operating Current vs. Input Voltage (PQ05RB11) 40 Fig.10 Circuit Operating Current vs. Input Voltage (PQ09RB11) 40 Circuit operating current IBIAS (mA) 35 30 25 20 15 10 5 0 2 RL=9 RL=18 RL= Tj=25C Circuit operating current IBIAS (mA) Tj=25C 35 30 25 20 15 10 5 0 0 1 2 345678 Input voltage VIN (V) 9 10 RL=5 RL=10 RL= 4 6 8 10 12 Input voltage VIN (V) 14 Low Power-Loss Voltage Regulators Fig.11 Circuit Operating Current vs. Input Voltage (PQ12RB11) 40 Circuit operating current IBIAS (mA) Output peak current IOP (A) PQ05RB11 Series Fig.12 Output Peak Current vs. Junction Temperature 2.2 35 30 25 20 15 10 5 0 Tj=25C 2.0 VIN-VO=5V VIN-VO=2V VIN-VO=1V VIN-VO=0.5V 1.6 1.4 IOP:Output current when output voltage is 95% in comparison with the initial value 1.2 -25 0 25 50 75 100 Junction temperature Tj (C) 1.8 RL=12 RL=24 RL= 5 10 Input voltage VIN (V) 125 s Overheat Shut-down Characteristics ON VIN OFF Highor open) ( VC Low *Tsd Tj VO *Tsd : Overheat shut-down temperature (Tj>=110C) (1) Overheat shut-down operates at Tj=Tsd and output OFF-state is maintained. (2) OFF-state is kept untill VIN is once turned off or Vc is turned down to the "L" level. s Typical Applications DC input 1 q Specific IC 2 q 4 q + VO 3 q 0.33F CO ON/OFF Signal (High or Open : Output ON) (Low : Output OFF) Load |
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