PQ3DF53

PQ3DF53 SHARP | Alldatasheet

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“ 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 PQ3DF53 3.3V Output, High Output Current (5A) Type Low Power-loss Voltage Regulator n Outline Dimensions (Unit : mm) n Features \ TO-3P package \ Low power-loss (Dropout voltage : MAX. 0.5V at Io=5A) \ 3.3V output \ High output current (5A) \ High-precision output voltage type (Output voltage precision : ±2.5%) \ Built-in ON/OFF cotrol function \ Built-in overcurrent protection, overheat protection function n Applications \ Power supplies for various electronic equipment such as personal computers PQ3DF53 PQ3DF53 1 2 4.5±0.217.0MAX 2.0±0.2 12345 39.0MAX 19±0.5 5±0.2 3.7MAX 17.0MIN 4-(2.54) 5-0.8±0.2 (0.6) (1.4) IC chip Reference voltage Comparator Controller 1 DC input (VIN) 26DC output (VO )

3 GND

4 ON/OFF control

terminal (VC ) 5 NC Internal connection diagram Parameter Symbol Rating Unit V IN V C IO PD1 PD2 T j T opr T stg T sol 5.0 2.2 150 -20 to + 80 -40 to +150 260 (For 10s) V V A W W 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 All are open except GND and applicable terminals. *2 Overheat protection may operate at 125=<Tj=<150˚C. n Absolute Maximum Ratings (Ta=25˚C)

• Please refer to the chapter“ Handling Precautions ”.

Low Power-Loss Voltage Regulators PQ3DF53 Fig.1 Test Circuit Fig.2 Test Circuit for Ripple Rejection Parameter Symbol Conditions Output voltage 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 UnitMAX.TYP.MIN. 3.218 2.0 3.3 0.5 0.5 ±0.02 3.382 2.0 2.5 0.5 0.8 -0.4 n Electrical Characteristics *3 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. *4 In case of opening control terminal 4, output voltage turns on. (Unless otherwise specified, conditions shall be VIN=5V, IO =2.5A Ta=25˚C) V O R egL R egI T C V O RR V i-o V C (ON) IC (ON) V C (OFF) IC (OFF) Iq IO =5mA to 5.0A V IN=4 to 10V T j=0 to 125˚C *3, IO =5.0A V C =2.7V V C =0.4V IO =0A V %/˚C dB V V µA V mA mA l2l1 l5 l4 A V A A V IN Iq IC IO V O V C R L0.33µF 47µF l2l1 V ei V IN IO eoR L 0.33µF 47µF f=120Hz (sine wave) ei=0.5Vrms V IN=5V IO =0.5A RR=20 log (ei/eo) Note) Oblique line portion:Overheat protection may operate in this area. -20 0 PD1 PD2 PD1 :No heat sink PD2 :With infinite heat sink 4020 60 80 60Power dissipation PD (W) Ambient temperature Ta (˚C) 02468 1 0 1 2 100 Relative output voltage (%) Output current IO (A) Fig.3 Power Dissipation vs. Ambient Temperature Fig.4 Overcurrent Protection Characteristics (Typical Value)

Low Power-Loss Voltage Regulators Fig.6 Output Voltage vs. Input Voltage Fig.7 Circuit Operating Current vs. Input Voltage Fig.9 Quiescent Current vs. Junction Temperature Fig.8 Dropout Voltage vs. Junction Temperature Fig.10 Ripple Rejection vs. Input Ripple Frequency PQ3DF53 Fig.5 Output Voltage Deviation vs. Junction Temperature 05 2413 100 R L =∞ R L =0.66Ω R L =1.32Ω Circuit operating current IBIAS (mA) Input voltage VIN (V) T a =25˚C -25 0 50 25 100 75 125 0.5 0.4 0.2 0.3 0.1 Dropout voltage Vi-O (V) Junction temperature Tj (˚C) V IN =Input voltage when output voltage is 95% in comparison with the initial value I O =5A -25 0 25 50 75 100 125

18 V IN =5V

IO =0A 20Quiescent current Iq (mA) Junction temperature Tj (˚C) 0.1 10 1 100 100 Input ripple frequency f (kHz) V IN=5V Io=0.5A ei=0.5Vrms , T a =25˚C Ripple rejection RR (dB) 01 2345 R L =∞ R L =1.32Ω R L =0.66Ω Output voltage VO (V) Input voltage VIN (V) T a =25˚CV IN=5V IO =2.5A -25 0 50 25 100 75 125 -10 -15 Output voltage deviation ΔV O (mV) Junction temperature Tj (˚C)

Low Power-Loss Voltage Regulators PQ3DF53 n Typical Applications Fig.10 Ripple Rejection vs. Junction Temperature Specific IC l3l5 V O 0.33µF C O DC input Load High or Open :Output ON Low :Output OFF ON/OFF signal -25 0 50 25 100 75 125 100 Ripple rejection RR (dB) Junction temperature Tj (˚C) V IN=5V IO =0.5A ei=0.5Vrms f=120Hz