PQ05RF14 Low Power-Loss Voltage Regulators PQ05RF14 1A Output, Low Power-Loss Voltage Regulator Considering Power Line Voltage Drop ■ Outline Dimensions ■ Applications (Unit : mm) 4.5±0.2 10.2MAX 7.4±0.2 3.6±0.2 2.8±0.2 ¡Series power supply for various electronic equipment such as VCRs and electronic instruments φ3.2±0.1 4-1.4 +0.3 -0 4-0.6 +0.2 -0.1 4.8MAX 15.6±0.5 PQ05RF14 13.5MIN ¡Low power-loss (Dropout voltage : MAX. 0.5V) ¡Compact resin full-mold package ¡Output voltage value (5.1V) with an allowance for power line voltage drop ¡High-precision output voltage type (output voltage precision : ±2.5%) ¡Built-in ON/OFF control function 29.1MAX ■ Features (1.5) (0.5) 3-(2.54) 1 ● 2 ● 3 ● 4 ● Internal connection diagram 1 2 Specific IC 4 3 ■ Absolute Maximum Ratings Parameter *1 *1 *2 *1 *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 DC input (VIN) 2 DC output (VO) 3 GND 4 ON/OFF control terminal (VC) (Ta=25˚C) Symbol Rating Unit VIN 35 V VC 35 V IO 1 A PD1 1.5 W PD2 15 W Tj 150 ˚C Topr -20 to +80 ˚C Tstg -40 to +150 ˚C Tsol 260 (For 10s) ˚C All are open except, GND and applicable terminals. Over heat protection may operate at 125=<Tj=<150˚C · 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 ■ Electrical Characteristics (Unless otherwise specified,condition shall be VIN=7V, Io=0.5A, Ta=25˚C) Parameter Output voltage Load regulation Line regulation Temperature coefficient of output voltage Ripple rejection Dropout voltage ON-state voltage for control ON-state current for current OFF-state voltage for control OFF-state current for control Quiescent current *3 *4 PQ05RF14 Symbol VO RegL RegL TcVo RR Vi-o VC(ON) IC(ON) VC(OFF) IC(OFF) Iq Conditions IO=5mA to 1A VIN=6 to 16V Tj=0 to 125˚C Refer to Fig. 2 MIN. 4.97 45 2.0 - *3 *4 VC=2.7V VC=0.4V IO=0A TYP. 5.1 0.1 0.5 ±0.02 55 - MAX. 5.23 2.0 2.5 0.5 20 0.8 -0.4 10 Unit V % % %/˚C dB V V µA V mA mA 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 VIN 1 ● 3 ● A VC A Iq VO 47µF 2 ● 4 ● 0.33µF Fig.2 Test Circuit of Ripple Rejection IC + A IO V 1 ● + 2 ● ei ~ IO 4 ● 3 ● VIN 0.33µF RL 47µF + IO=0.5A RL V ~ eo f=120Hz (sine wave) ei=0.5Vrms RR=20 log (ei/eo) 20 Power dissipation PD (W) PD1 :No heat sink PD2 :With infinite heat sink 15 PD2 10 5 PD1 0 -20 0 50 100 150 Ambient temperature Ta (˚C) Note) Oblique line portion:Overheat protection may operate in this area. Fig.4 Overcurrent Protection Characteristics (Typical Value) 100 Relative output voltage (%) Fig.3 Power Dissipation vs. Ambient Temperature 80 60 40 20 0 0 0.3 0.6 0.9 1.2 1.5 1.8 Output current IO (A) 2.1 PQ05RF14 Low Power-Loss Voltage Regulators Fig.5 Output Voltage vs. Input Voltage Fig.6 Circuit Operating Current vs. Input Voltage 40 Circuit operating current IBIAS (mA) 8 Output voltage VO (V) 7 6 5 RL=∞ 4 RL=10Ω RL=5Ω 3 2 1 0 0 2 4 6 8 Input voltage VIN (V) RL=10Ω RL=∞ 10 5 Input voltage VIN (V) 10 Fig.8 Quiescent Current vs. Junction Temperature 10 Quiescent current Iq (mA) Dropout voltage Vi-O (V) RL=5Ω 0 0.5 0.4 IO=1A 0.3 0.75A 0.2 0.5A 0.25A 0.1 0 -25 20 0 10 Fig.7 Dropout Voltage vs. Junction Temperature 30 0 25 50 75 100 Junction temperature Tj (˚C) 8 6 4 2 0 -25 125 Fig.9 Ripple Rejection vs. Input Ripple Frequency VIN=35V IO=0 0 25 50 75 100 Junction temperature Tj (˚C) 125 Fig.10 Ripple Rejection vs. Output Current 80 80 Ripple rejection RR (dB) Ripple rejection RR (dB) 70 60 50 40 30 20 10 0 0.1 70 60 50 40 IO=0.5A,ei=0.5Vrms, VIN=7V 1 10 Input ripple frequency f (kHz) 100 f=120Hz,ei=0.5Vrms, VIN=7V 30 0 0.2 0.4 0.6 0.8 Output current IO (A) 1.0 Low Power-Loss Voltage Regulators Fig.11 Output Peak Current vs. Dropout Voltage PQ05RF14 Fig.12 Output Peak Current vs. Junction Temperature 2.0 Output peak current IOP (A) Output peak current IOP (A) 2.0 1.5 1.0 Tj=25˚C 0 5 10 Dropout voltage Vi-O (V) 15 VIN-Vo=5V 1.5 2V 1.0 0.5V IOP:Output current when output voltage is 95% in comparison with the initial value 0.5 -20 0 25 50 75 100 Junction temperature Tj (˚C) 125