Low Power-Loss Voltage Regulators PQ2TZ55/PQ2TZ15 PQ2TZ55/PQ2TZ15 2.5V Output, Surface Mount Type Low Power-Loss Voltage Regulators ■ Outline Dimensions 2.3±0.5 6.6MAX 5.2±0.5 (0.5) 3 9.7MAX 2TZ55 (1.7) (0to0.25) 0.5 +0.2 -0.1 2.5MIN 4-(1.27) (0.9) ¡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.5µA) ¡Tape packaged type is also available. (φ330mm reel : 3 000pcs., PQ2TZ55U/PQ2TZ15U) (Unit : mm) 5.5±0.5 ■ Features ■ Applications (0.5) ¡Personal computers ¡Personal information tools(PDA) ¡Various OA equipment 12345 Internal connection diagram 3 1 Specific IC 2 5 ■ Absolute Maximum Ratings *1 *1 *2 *3 Parameter Input voltage ON/OFF control terminal voltage PQ2TZ55 Output current PQ2TZ15 Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature 1 DC input (VIN) 2 ON/OFF control terminal (VC) 3 DC output (VO) 4 NC 5 GND Heat sink is common to 3 (VO). (Ta=25˚C) 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 *1 All are open except GND and applicable terminals. PD:With infinite heat sink. *3 Overheat protection may operate at 125=<Tj=<150˚C *2 · 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. ” Low Power-Loss Voltage Regulators PQ2TZ55/PQ2TZ15 ■ Electrical Characteristics (Unless otherwise specified, conditions shall be IO=0.3A [PQ2TZ55]/IO=0.5A [PQ2TZ15]VIN=3.3V, VC=2.7V, Ta=25˚C) Parameter Input voltage Output voltage Symbol VIN VO PQ2TZ55 PQ2TZ15 Load regulation RegL 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 Vi-o VC (ON) IC (ON) VC (OFF) IC (OFF) Iq Iqs MIN. 3.0 2.438 TYP. 2.5 MAX. 10 2.562 Unit V V - 0.2 2.0 % 45 0.1 ±0.01 60 2.5 - % %/˚C dB - - 0.5 V 2.0 - - 200 0.8 2 10 5 V µA V µA mA µA *4 VC=0.4V IO=0A IO=0A, VC=0.4V In case of opening control terminal 2, output voltage turns off. Fig.1 Test Circuit VIN 1 ● 5 ● 0.33µF Fig.3 10 Fig.2 A VC A 0 -20 3 ● VC 2 ● ~ ei VIN RL 0.33µF 47µF + IO + 5 ● V RL V ~ eo 2.7V IC ,,, ,,, ,,, Power Dissipation vs. Ambient Temperature PD:With infinite heat sink PD 5 Test Circuit for Ripple Rejection 1 ● IO + A Iq VO 47µF 3 ● 2 ● Power dissipation PD (W) *4 RegI TCVO RR Conditions IO=5mA to 0.5A IO=5mA to 1.0A VIN=3.0 to 10V, IO=5mA IO=5mA, Tj=0 to 125˚C VIN=3V, IO=0.5A VIN=3V, IO=1.0A 0 20 40 60 Ambient temperature Ta (˚C) 80 Note) Oblique line portion:Overheat protection may operate in this area. f=120Hz (sine wave) ei=0.5Vrms VIN=3.3V IO=0.5A (PQ2TZ15) IO=0.3A (PQ2TZ55) RR=20 log (ei/eo) Low Power-Loss Voltage Regulators Output voltage VO (V) 3 Tj =25˚C Fig.5 VIN=3.0V VIN=3.5V 1 Fig.6 1.0 VIN=7.5V 0 0.5 1.0 1.5 Output current IO (A) 0.0 -0.2 -0.4 -0.6 -0.8 VIN=7.5V Output Voltage vs. Input Voltage (PQ2TZ55) RL=∞ RL=5Ω 1 2 3 4 Input voltage VIN (V) 2.5 Output Voltage Deviation vs. Junction Temperature (PQ2TZ15) 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -10 Fig.9 5 0 25 50 75 100 Junction temperature Tj (˚C) 125 Output Voltage vs. Input Voltage (PQ2TZ15) 3 RL=10Ω 1 0.5 1.0 1.5 2.0 Output current IO (A) 0.4 Tj =25˚C 0 0 VIN=3.3V 0.8 IO=0.5A 0.6 Output voltage VO (V) Output voltage VO (V) 125 2 0 1 0 Output voltage deviation ∆VO (mV) 0.2 3 VIN=4.5V 1.0 0.4 Fig.8 Tj =25˚C VIN=3.0V VIN=3.5V Fig.7 VIN=3.3V 0.8 IO=0.3A 0.6 0 25 50 75 100 Junction temperature Tj (˚C) Overcurrent Protection Characteristics (PQ2TZ15) 2 2.0 Output Voltage Deviation vs. Junction Temperature (PQ2TZ55) -1.0 -25 3 VIN=4.5V 2 0 Output voltage deviation ∆VO (mV) Overcurrent Protection Characteristics (PQ2TZ55) Output voltage VO (V) Fig.4 PQ2TZ55/PQ2TZ15 Tj =25˚C RL=5Ω 2 RL=∞ RL=2.5Ω 1 0 0 1 2 3 4 Input voltage VIN (V) 5 Low Power-Loss Voltage Regulators Fig.11 Circuit Operating Current vs. Input Voltage (PQ2TZ15) Tj =25˚C Circuit operating current IBIAS (mA) Circuit operating current IBIAS (mA) Fig.10 Circuit Operating Current vs. Input Voltage (PQ2TZ55) PQ2TZ55/PQ2TZ15 20 10 RL=5Ω RL=10Ω RL=∞ 0 Tj =25˚C 20 RL=2.5Ω RL=∞ 0 0 1 2 3 4 Input voltage VIN (V) 5 Fig.12 Quiescent Current vs. Junction Temperature (PQ2TZ55) 5.0 0 2 3 4 Input voltage VIN (V) 5 5.0 Quiescent current Iq (mA) VIN =3.3V IO =0A 4.0 3.0 2.0 1.0 0 -25 1 Fig.13 Quiescent Current vs. Junction Temperature (PQ2TZ15) VIN =3.3V IO =0A Quiescent current Iq (mA) RL=5Ω 10 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 ■ Model Line-ups for Tape-packaged Products Output current 0.5A output 1.0A output Sleeve-packaged products Standard type High-precision output type PQ2TZ55 PQ2TZ15 Tape-packaged products Standard type High-precision output type PQ2TZ55U PQ2TZ15U