Low Power-Loss Voltage Regulators PQ05RB11 Series PQ05RB11 Series Low Power-Loss Voltage Regulators (Built-in Overheat Shut-Down Function) ■ Outline Dimensions (Unit : mm) 4.5±0.2 10.2MAX PQ05RB11 ■ Applications ¡Series power supply for TVs and VCRs ¡Switching power supply φ3.2±0.1 4-1.4 +0.3 -0 4-0.6 +0.2 -0.1 4.8MAX 15.6±0.5 7.4±0.2 3.6±0.2 2.8±0.2 13.5MIN ¡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%) 29.1MAX ■ Features (1.5) (0.5) 3-(2.54) 1 ● 2 ● 3 ● 4 ● ■ Model Line-ups Output Model No. 5V PQ05RB11 9V PQ09RB11 12V PQ12RB11 Internal connection diagram 1 2 Specific IC 4 3 ■ Absolute Maximum Ratings Parameter *1 *1 *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 1 DC input (VIN) 2 DC output (VO) 3 GND 4 ON/OFF control terminal (VC) (Ta=25˚C) 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 All are open except GND and applicable terminals. Overheat shut-down function operates at Tj>=110˚C 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.” PQ05RB11 Series Low Power-Loss Voltage Regulators ■ Electrical Characteristics (Unless otherwise specified, condition shall be IO=0.5A, VIN=*4, Ta=25˚C) 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 Symbol Conditions VO - RegL RegI TCVO RR Vi-O VC(ON) IC(ON) VC(OFF) IC(OFF) Iq TSD IO=5mA to 1A *5 Tj=0 to 125˚C, IO=5mA Refer to Fig.2 *6, IO=0.5A VC=2.7V VC =0.4V IO=0A - *5 PQ05RB11:VIN=7V, PQ09RB11:VIN=15V, PQ12RB11:VIN=18V PQ05RB11:VIN=6 to 12V, PQ09RB11:VIN=10 to 25V, PQ12RB11:VIN=13 to 29V *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 4, output voltage turns on. Fig.1 Test Circuit VIN 1 ● A 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 µA V mA mA ˚C 1 ● + 2 ● IO VC A IO + A Iq VO 47µF 2 ● 4 ● 0.33µF TYP. 5.0 9.0 12.0 0.1 0.5 ±0.02 55 130 Fig.2 Test Circuit of Ripple Rejection 3 ● IC ~ ei 4 ● 47µF 3 ● V RL VIN + 0.33µF RL V ~ eo f=120Hz (sine wave) ei=0.5Vrms RR=20 log (ei/eo) Fig.3 Power Dissipation vs. Ambient Temperature Fig.4 Overcurrent Protection Characteristics (Typical Value) PD2 10 5 PD1 :No heat sink PD2 :With infinite heat sink PD1 0 50 100 150 Ambient temperature Ta (˚C) Note) Oblique line portion : Overheat protection operates in this area. 0 -20 Relative output voltage (%) 100 Power dissipation PD (W) *4 MIN. 4.88 8.78 11.7 45 2.0 *7 110 80 60 40 20 0 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) Fig.6 Output Voltage vs. Input Voltage (PQ09RB11) 10 6 Tj=25˚C Output voltage VO (V) RL=10Ω 4 RL=5Ω 3 2 1 0 RL=∞Ω 8 RL=18Ω 7 6 RL=9Ω 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 Input voltage VIN (V) 9 0 10 Fig.7 Output Voltage vs. Input Voltage (PQ12RB11) 2 4 6 8 10 Input voltage VIN (V) 12 Fig.8 Dropout Voltage vs. Junction Temperature 15 0.50 0.45 Tj=25˚C Dropout voltage Vi-O (V) RL=∞Ω Output voltage VO (V) Tj=25˚C 9 RL=∞Ω 5 Output voltage VO (V) PQ05RB11 Series RL=24Ω 10 RL=12Ω 5 0.40 IO=1A 0.35 0.30 0.75A 0.25 0.20 0.5A 0.15 0.25A 0.10 0.05 0 0 0 -25 5 10 Input voltage VIN (V) Fig.9 Circuit Operating Current vs. Input Voltage (PQ05RB11) 125 Fig.10 Circuit Operating Current vs. Input Voltage (PQ09RB11) 40 40 Tj=25˚C 35 30 25 20 RL=5Ω 15 10 RL=10Ω 5 RL=∞Ω 0 Circuit operating current IBIAS (mA) Circuit operating current IBIAS (mA) 0 25 50 75 100 Junction temperature Tj (˚C) 35 Tj=25˚C 30 25 20 RL=9Ω 15 RL=18Ω 10 RL=∞Ω 5 0 0 1 2 3 4 5 6 7 8 Input voltage VIN (V) 9 10 2 4 6 8 10 12 Input voltage VIN (V) 14 Low Power-Loss Voltage Regulators Fig.11 Circuit Operating Current vs. Input Voltage (PQ12RB11) PQ05RB11 Series Fig.12 Output Peak Current vs. Junction Temperature 2.2 35 Tj=25˚C Output peak current IOP (A) Circuit operating current IBIAS (mA) 40 30 25 RL=12Ω 20 15 RL=24Ω 10 RL=∞Ω 5 0 5 10 Input voltage VIN (V) 2.0 1.8 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) ■ Overheat Shut-down Characteristics ON VIN OFF High(or open) VC Low *Tsd Tj VO *Tsd : Overheat shut-down temperature (Tj>=110˚C) (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. ■ Typical Applications 1 ● Specific IC 3 ● 0.33µF VO 2 ● 4 ● + CO Load DC input ON/OFF Signal (High or Open : Output ON) (Low : Output OFF) 125