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| Low Power-Loss Voltage Regulators PQ3TZ50/PQ3TZ53 PQ3TZ50/PQ3TZ53 3.0V/3.3V Output Surface Mount Type Low Power-Loss Voltage Regulators s Features Low power-loss (Dropout voltage : MAX. 0.5V) Surface mount type package (equivalent to EIAJ SC-63) Output current : MAX.0.5A Low dissipation current at OFF-state (Iqs : MAX.5A) Built-in ON/OFF cotrol function Output voltage precision : 2.5% Output voltage : (3.0V : PQ3TZ50) (3.3V : PQ3TZ53) Tape packaged type is also available. (Reel : 3 000pcs.) s Outline Dimensions 2.30.5 (0.5) (Unit : mm) 6.6MAX 5.20.5 3 9.7MAX 3TZ50 5.50.5 (1.7) 0.5 +0.2 -0.1 (0.5) 12345 3 Specific IC 5 2 (0to0.25) 2.5MIN s Applications Personal computers Personal information tools (PDA) Various OA equipment Internal connection diagram 1 1 DC input (VIN) 2 ON/OFF control terminal (VC) 3 DC output (VC) 4 NC 5 GND Heat sink is common to 3 (VO). s Absolute Maximum Ratings *1 *1 (Ta=25C) Symbol VIN VC IO PD Tj Topr Tstg Tsol Rating 10 10 0.5 8 150 -20 to +80 -40 to +150 260 (For 10s) Unit V V A W C C C C *2 *3 Parameter Input voltage ON/OFF control terminal voltage Output current Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature *1 *2 *3 All are open except GND and applicable terminals. PD:With infinte heat sink. Overheat protection may operate 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. " (0.9) 4-(1.27) Low Power-Loss Voltage Regulators PQ3TZ50/PQ3TZ53 s Electrical Characteristics Parameter Input voltage Output voltage PQ3TZ50 PQ3TZ53 PQ3TZ50 PQ3TZ53 Symbol VIN VO RegL RegI TCVO RR Vi-O VC (ON) IC (ON) VC (OFF) IC (OFF) Iq Iqs Conditions VIN=5V, IO=0.3A VIN=5V, IO=5mA to 0.5A VIN=4V to 10V, IO=5mA VIN=5V, IO=5mA, Tj=0 to125C Refer to Fig. 2 *4, IO=0.3A VIN=5V, IO=0.3A, *5 VIN=5V, IO=0.3A VIN=5V VIN=5V, IO=0.4V VIN=5V, IO=0A VIN=5V, VC=0.4V, IO=0.3A, MIN. 3.4 3.7 2.925 3.218 45 2.0 TYP. 3.0 3.3 0.2 0.1 0.01 60 - (VC=2.7V, Ta=25C) MAX. 10.0 10.0 3.075 3.382 2.0 2.5 0.5 200 0.8 2 10 5 Unit V V % % %/C dB V V A V A mA A 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 Output OFF-state consumption current *4 PQ3TZ50:VIN=3.4V PQ3TZ53:VIN=3.7V *5 In case of opening control terminal 2, output voltage turns off. Fig.1 Test Circuit Fig.2 Test Circuit for Ripple Rejection VIN 1 q 3 q 2 q 5 q VC 47F VO 1 q A + IO ~ ei 5 q VIN 0.33F 3 q VC 2 q 47F + IO + A Iq IC V RL 0.33F RL V eo ~ A 2.7V f=120Hz (sine wave) ei=0.5Vrms VIN=5V IO=0.3A RR=20 log (ei/eo) Fig.3 10 Power Dissipation vs. Ambient Temperature PD:With infinite heat sink PD Fig.4 100 Relative output voltage (%) Overcurrent Protection Characteristics(Typical Value) Ta =25C Vi-o=0.5V Vi-o=1V Vi-o=5V Power dissipation PD (W) 80 60 40 5 Vi-o=2V 20 0 50 80 100 150 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area. 0 -20 0 0 0.5 1.0 1.5 Output current IO (A) 2.0 Low Power-Loss Voltage Regulators Fig.5 Output Voltage Deviation vs. Junction Temperature (PQ3TZ50/PQ3TZ53) 30 Output voltage deviation VO (mV) PQ3TZ50/PQ3TZ53 Fig.6 Output Voltage vs. Input Voltage (PQ3TZ50) 4 Ta =25C 20 10 0 -10 -20 -30 -25 VIN=5V IO=0.3A Output voltage VO (V) 3 RL= 2 RL=6 RL=10 1 0 0 25 50 75 100 Junction temperature Tj (C) 125 0 1 2 3 4 5 Input voltage VIN (V) 6 Fig.7 Output Voltage vs. Input Voltage (PQ3TZ53) 4 Ta =25C Fig.8 40 Circuit operating current IBIAS (mA) Circuit Operating Current vs. Input Voltage (PQ3TZ50) Ta =25C Output voltage VO (V) 3 RL= 2 RL=6 RL=10 30 20 RL=6 RL=10 RL= 1 10 0 0 1 2 3 4 5 Input voltage VIN (V) 6 0 0 1 2 3 4 5 Input voltage VIN (V) 6 Fig.9 40 Circuit operating current IBIAS (mA) Circuit Operating Current vs. Input Voltage (PQ3TZ53) Ta =25C Fig.10 Dropout Voltage vs. Junction Temperature (PQ3TZ50/PQ3TZ53) 0.5 0.4 0.3 0.2 VIN :Value when output voltage is 95% in comparison with the initial value. 30 RL=6 20 RL=10 RL= 10 Dropout voltage Vi-O (V) IO=0.5A IO=0.4A IO=0.3A IO=0.2A IO=0.1A 0 25 50 75 100 Junction temperature Tj (C) 125 0.1 0 -25 0 0 1 2 3 4 5 Input voltage VIN (V) 6 Low Power-Loss Voltage Regulators Fig.11 ON-state Voltage for Control vs. Junction Temperature(Typical Value) (PQ3TZ50/PQ3TZ53) ON-state voltage for control VC(ON) (V) PQ3TZ50/PQ3TZ53 Fig.12 Quiescent Current vs. Junction Temperature(Typical Value) (PQ3TZ50/PQ3TZ53) 5 VIN =5V IO =0A Quiescent current Iq (mA) 4 3 3.0 2.5 2.0 1.5 1.0 0.5 VIN =5V IO=0.3A 2 1 0 -25 0 -25 0 25 50 75 100 Junction temperature Tj (C) 125 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.13 Ripple Rejection vs. Input Ripple Frequency (PQ3TZ50/PQ3TZ53) 80 70 Ripple rejection RR (dB) Fig.14 Output Peak Current vs. Junction Temperature(Typical Value) (PQ3TZ50/PQ3TZ53) 2.0 VIN-VO =5V Output peak current IOP (A) 1.5 60 50 40 30 20 VIN=5V 10 Io=0.3A ei=0.5Vrms 0 0.1 1 10 Input ripple frequency f (kHz) 2V 1V 1.0 0.5V 0.5 IOP:Output current when Output voltage is 95% in comparison with the initial value 0 -25 0 25 50 75 100 Junction temperature Tj (C) 100 125 Fig.15 Power Dissipation vs. Ambient Temperature(Typical Value) 3 Power dissipation PD (W) Cu area 740mm2 2 Cu area 180mm2 Cu area 100mm2 PWB PWB Cu 1 Cu area 70mm2 Cu area 36mm2 0 -20 60 80 0 20 40 Ambient temperature Ta (C) 100 Material : Glass-cloth epoxy resin Size : 50X50X1.6mm 3 Cu thickness : 35m Low Power-Loss Voltage Regulators s Model Line-ups for Tape-packaged Products Sleeve-packaged products Standard type High-precision output type PQ3TZ50 PQ3TZ53 PQ3TZ50/PQ3TZ53 Output current 0.5A output 1.0A output Tape-packaged products Standard type High-precision output type PQ3TZ50U PQ3TZ53U |
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