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| Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16 PQ15RF15/PQ15RF16 1A Output, Low Power-Loss Voltage Regulators Considering Power Line Voltage Drop s Features Low power-loss (Dropout voltage : MAX. 0.5V) Compact resin full-mold package Conforming to the unified standard for BS converter Output voltage value (15.7V) with an allowance for voltage loss caused by reverse flow preventing diode Built-in ON/OFF control terminal corresponding to BS antenna power supply selecting switch High-precision output type (PQ15RF16) (Output voltage precision : 2.5%) s Outline Dimensions 10.2MAX 4.50.2 (Unit : mm) 2.80.2 7.40.2 29.1MAX PQ15RF15 4-1.4 +0.3 -0 13.5MIN 4-0.6 +0.2 -0.1 3-(2.54) (0.5) s Applications TVs and VCRs with built-in BS tuners BS tuners 1234 qqqq 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 Rating Unit VIN 35 V VC 35 V IO 1 A PD1 1.5 W PD2 15 Tj 150 C Topr -20 to +80 C Tstg -40 to +150 C Tsol 260 (For 10s) C *2 Input voltage ON/OFF control terminal voltage Output current Power dissipation (No heat sink) Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature *1 *2 All are open except GND and applicable terminals. Overheat protection may opetate at 125= " 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 (1.5) 3.20.1 3.60.2 Low Power-Loss Voltage Regulators s Electrical Characteristics Parameter Output voltage PQ15RF15 PQ15RF16 Symbol VO RegL RegI TCVO RR Vi-O VC (ON) IC (ON) VC (OFF) IC (OFF) Iqs IO=5mA to 1.0A VN=17 to 27V Tj=0 to 125C Refer to Fig. 2 *3 IO=0.5A *4 PQ15RF15/PQ15RF16 (Unless otherwise specified, condition shall be VIN=18V, I0=0.5A, Ta=25C) Conditions MIN. 14.92 15.31 45 2.0 TYP. 15.7 15.7 0.2 0.2 0.01 65 0.2 6 MAX. 16.48 16.09 2.0 2.5 0.5 20 0.8 -0.4 10 Unit V % % %/C dB V V A V mA mA 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 Output OFF-state consumption current *3 *4 VC=2.7V VC=0.4V IO=0A 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 Fig.2 Test Circuit of Ripple Rejection VIN 1 q 2 q 4 q 3 q VC 47F VO 1 q ei 2 q 4 q 3 q 47F + + IO RL V eo ~ A + IO ~ 0.33F A Iq IC V RL VIN 0.33F A f=120Hz (sine wave) ei=0.5Vrms RR=20 log (ei/eo) Fig.3 Power Dissipation vs. Ambient Temperature 20 PD1 :No heat sink PD2 :With infinite heat sink Power dissipation PD (W) Fig.4 Overcurrent Protection Characteristics (Typical Value) 100 Relative output voltage (%) 15 PD2 80 60 40 10 5 PD1 20 0 0 50 100 150 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area. 0 -20 0 1.0 2.0 Output current IO (A) 3.0 Low Power-Loss Voltage Regulators Fig.5 Output Voltage Deviation vs. Junction Temperature 250 Output voltage deviation VO (mV) PQ15RF15/PQ15RF16 Fig.6 Output Voltage vs. Input Voltage 20 Output voltage VO (V) VIN =18V 200 IO =0.5A 150 100 50 0 -50 -100 -150 -200 -25 0 25 50 75 100 Junction temperature Tj (C) 125 15 RL=30 RL= 10 RL=15 5 0 0 5 10 15 20 Input voltage VIN (V) 25 Fig.7 Circuit Operating Current vs. Input Voltage Circuit operating current IBIAS (mA) 30 Fig.8 Dropout Voltage vs. Junction Temperature 0.5 0.4 IO =1A 0.3 0.75A 0.2 0.5A 0.1 0 -25 0.25A 20 RL= 10 10 RL=30 RL= 15 RL= 20 0 0 5 10 15 Input voltage VIN (V) Dropout voltage Vi-O (V) 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.9 Quiescent Current vs. Junction Temperature 10 VIN =35V IO =0 8 6 Fig.10 Ripple Rejection vs. Input Ripple Frequency 80 70 Ripple rejection RR (dB) Quiescent current Iq (mA) 60 50 40 30 20 Io=0.5A,ei=0.5Vrms, 10 Tj=25C VIN=18V 0 0.1 1 10 Input ripple frequency f (kHz) 4 2 0 -25 0 25 50 75 100 Junction temperature Tj (C) 125 100 Low Power-Loss Voltage Regulators Fig.11 Ripple Rejection vs. Output Current 80 PQ15RF15/PQ15RF16 Fig.12 Output Peak Current vs. Junction Temperature 2.5 Output peak current IOP (A) Ripple rejection RR (dB) 70 60 50 40 VIN-VO =5V 2.0 2V 1V 0.5V 1.5 IOP:Output current when 1.0 -25 output voltage is 95% in comparison with the initial value Tj=25C f=120Hz,ei=0.5Vrms, 30 VIN=18V 0 0.5 1.0 Output current IO (A) 1.5 0 25 50 75 100 Junction temperature Tj (C) 125 s Model Line-ups for Lead Forming Type Output voltage Output voltage precision:5% Output voltage precision:2.5% 15.7V output PQ15RF1F PQ15RF1G s Outline Dimensions (PQ15RF1F/PQ15RF1G) 10.2MAX 3.60.2 (Unit : mm) 4.50.2 2.80.2 7.40.2 (24.6) (2.0) (1.5) 4-1.4 4-0.6 +0.3 -0 +0.2 -0.1 (0.5) (3.2) 3-(2.54) 50.5 8.20.7 * ( ) : Typical value * Radius of lead forming portion : R=0.5 to 1.5mm 1234 qqqq Internal connection diagram 1 DC input (VIN) 2 DC output (VO) 3 GND 4 ON/OFF control terminal (VC) 1 Specific IC 3 2 4 Note) The value of absolute maximum ratings and electrical characteristics is same as ones of PQ15RF15/16 series. 4.4MIN (5 0 . 5) PQ15RF15 3.20.1 16.40.7 |
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