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| Low Power-Loss Voltage Regulators PQ2TZ55/PQ2TZ15 PQ2TZ55/PQ2TZ15 2.5V 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 voltage : 2.5V Minimum input voltage : 3.0V Output current : (0.5A : PQ2TZ55) (1.0A : PQ2TZ15) Output voltage precision : 2.5% Built-in ON/OFF control function Low dissipation current at OFF-state (Iqs : MAX.5A) Tape packaged type is also available. (330mm reel : 3 000pcs., PQ2TZ55U/PQ2TZ15U) s Outline Dimensions (Unit : mm) 6.6MAX 5.20.5 3 2.30.5 (0.5) 9.7MAX 2TZ55 5.50.5 (1.7) 0.5 +0.2 -0.1 (0.5) 12345 3 Specific IC 2 5 1 DC input (VIN) 2 ON/OFF control terminal (VC) 3 DC output (VO) 4 NC 5 GND (0to0.25) 2.5MIN s Applications Personal computers Personal information tools(PDA) Various OA equipment Internal connection diagram 1 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 1 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 PQ2TZ55 Output current PQ2TZ15 Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature All are open except GND and applicable terminals. PD:With infinite heat sink. *3 Overheat protection may operate at 125= *1 * 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. " (0.9) 4-(1.27) Low Power-Loss Voltage Regulators PQ2TZ55/PQ2TZ15 s Electrical Characteristics (Unless otherwise specified, conditions shall be IO=0.3A [PQ2TZ55]/IO=0.5A [PQ2TZ15]VIN=3.3V, VC=2.7V, Ta=25C) Parameter Input voltage Output voltage Load regulation PQ2TZ55 PQ2TZ15 Symbol VIN VO RegL RegI TCVO RR Vi-o VC (ON) IC (ON) VC (OFF) IC (OFF) Iq Iqs Conditions IO=5mA to 0.5A IO=5mA to 1.0A VIN=3.0 to 10V, IO=5mA IO=5mA, Tj=0 to 125C VIN=3V, IO=0.5A VIN=3V, IO=1.0A *4 MIN. 3.0 2.438 45 2.0 - TYP. 2.5 0.2 0.1 0.01 60 - MAX. 10 2.562 2.0 2.5 0.5 200 0.8 2 10 5 Unit V V % % %/C dB V V A V A mA A Line regulation Temperature coefficient of output voltage Ripple rejection PQ2TZ55 Dropout voltage PQ2TZ15 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 VC=0.4V IO=0A IO=0A, VC=0.4V In case of opening control terminal 2, output voltage turns off. Fig.1 VIN Test Circuit 47F VO Fig.2 Test Circuit for Ripple Rejection 47F + IO + 1 q 3 q 2 q 5 q VC 1 q A + IO ~ ei 5 q VIN 0.33F 3 q VC 2 q A Iq IC V RL RL V eo ~ 0.33F A 2.7V Fig.3 10 Power Dissipation vs. Ambient Temperature PD:With infinite heat sink PD 5 0 -20 0 20 40 60 Ambient temperature Ta (C) ,,, ,,, ,,, f=120Hz (sine wave) ei=0.5Vrms VIN=3.3V IO=0.5A (PQ2TZ15) IO=0.3A (PQ2TZ55) RR=20 log (ei/eo) Power dissipation PD (W) 80 Note) Oblique line portion:Overheat protection may operate in this area. Low Power-Loss Voltage Regulators Fig.4 3 PQ2TZ55/PQ2TZ15 Fig.5 3 Overcurrent Protection Characteristics (PQ2TZ55) Tj =25C VIN=4.5V Overcurrent Protection Characteristics (PQ2TZ15) Tj =25C VIN=4.5V Output voltage VO (V) 2 VIN=3.0V VIN=3.5V 1 VIN=7.5V Output voltage VO (V) 2 VIN=3.0V VIN=3.5V 1 VIN=7.5V 0 0 0.5 1.0 1.5 Output current IO (A) 2.0 0 0 0.5 1.0 1.5 2.0 Output current IO (A) 2.5 Fig.6 1.0 Output voltage deviation VO (mV) Output Voltage Deviation vs. Junction Temperature (PQ2TZ55) Fig.7 1.0 Output voltage deviation VO (mV) Output Voltage Deviation vs. Junction Temperature (PQ2TZ15) VIN=3.3V 0.8 IO=0.3A 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -25 0 25 50 75 100 Junction temperature Tj (C) 125 VIN=3.3V 0.8 IO=0.5A 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -10 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.8 3 Output Voltage vs. Input Voltage (PQ2TZ55) Tj =25C Fig.9 3 Output Voltage vs. Input Voltage (PQ2TZ15) Tj =25C Output voltage VO (V) RL=10 2 RL= RL=5 Output voltage VO (V) RL=5 2 RL= RL=2.5 1 1 0 0 1 2 3 4 Input voltage VIN (V) 5 0 0 1 2 3 4 Input voltage VIN (V) 5 Low Power-Loss Voltage Regulators Fig.10 Circuit Operating Current vs. Input Voltage (PQ2TZ55) Circuit operating current IBIAS (mA) PQ2TZ55/PQ2TZ15 Fig.11 Circuit Operating Current vs. Input Voltage (PQ2TZ15) Circuit operating current IBIAS (mA) Tj =25C 20 Tj =25C 20 RL=2.5 10 RL=5 10 RL=5 RL=10 RL= RL= 0 0 0 1 2 3 4 Input voltage VIN (V) 5 0 1 2 3 4 Input voltage VIN (V) 5 Fig.12 Quiescent Current vs. Junction Temperature (PQ2TZ55) 5.0 VIN =3.3V IO =0A Fig.13 Quiescent Current vs. Junction Temperature (PQ2TZ15) 5.0 VIN =3.3V IO =0A Quiescent current Iq (mA) 4.0 3.0 2.0 1.0 0 -25 Quiescent current Iq (mA) 0 25 50 75 100 Junction temperature Tj (C) 125 4.0 3.0 2.0 1.0 0 -25 0 25 50 75 100 Junction temperature Tj (C) 125 s Model Line-ups for Tape-packaged Products Sleeve-packaged products Standard type High-precision output type PQ2TZ55 PQ2TZ15 Tape-packaged products Standard type High-precision output type PQ2TZ55U PQ2TZ15U Output current 0.5A output 1.0A output |
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