PJ1085 3 Amp Low Dropout Positive Voltage Regulator T He PJ1085 Series of high performance positive voltage Regulators are designed for TO-220 use in applications TO-263 TO-252 requiring low dropout performance at full rated current, Additionally, the PJ1085 Series provides excellent regulation over variations due to changes in line, load and temperature. Outstanding features include low dropout performance at rated current, fast transient response, internal limiting and Pin: 1..Adj (Com) 2. Out 3. In current thermal shutdown protection of the output device. The PJ1085 Series are three terminal regulators with fixed and adjustable voltage options available in popular ORDERING INFORMATION packages. Device FEATURES z Low dropout voltage 1.3V max. z Full current rating over line and temperature • Fast transient response • Total output regulation ±2% over line, load and Adjust pin current max 120μA over temperature • Line regulation typical 0.015%. • Load regulation typical 0.05%. • Fixed/adjustable output voltage • TO-220 & TO-263 & To-252 package Package (Ambient) PJ1085CZ PJ1085CZ-2.5 PJ1085CZ-3.3 PJ1085CM PJ1085CM-2.5 PJ1085CM-3.3 temperature • Operating Temperature TO-220 -20℃ to +85℃ TO-263 PJ1085CP PJ1085CP-2.5 TO-252 PJ1085CP-3.3 NOTE: Contact factory for additional voltage option. BLOCK DIAGRAM ABSOLUTE MAXIMUM RATING Parameter Symbol Maximum Units Input Voltage VIN 7 V Power Dissipation PD Internally Limited W Thermal Resistance Junction to Case θJC 2.5 Thermal Resistance Junction to Ambient θJA 50 Operating Junction Temperature Range TJ 0 to +125 Operating Ambient Temperature Range TA -20 to +85 Storage Temperature Range TSTG -25 to 150 Lead Temperature (Soldering) 10 Sec. TLEAD 260 1-7 ℃/W ℃ 2002.rev.A PJ1085 3 Amp Low Dropout Positive Voltage Regulator ELECTRICAL CHARACTERISTICS Unless otherwise specified, Adjust VIN = 2.75V to 12V and Adjust Io = 10mA to 3.0A Fixed VIN = 4.75V to 12V and Fixed Io = 10mA to 3.0A Test Conditions Parameter (1) Output Voltage Symbol VIN -VOUT IO TJ(4) Min Typ Max Vo 5V 10mA 25 0.99|Vo| Vo 1.01|Vo| Over Temp. 0.98|Vo| 25 1.238 Over Temp. 1.225 Fixed Voltage Reference Voltage(1) VREF 5V 10mA Adj Voltage Line Regulation(1) REG(LINE) 10mA (Vin-Vout=3V) Load Regulation (1) REG(LOAD) (Vin-Vout=3V) Dropout Voltage Test Limits VD Current Limit 1.02|Vo| 1.250 1.275 0.015 Over Temp. 0.035 25 0.05 0.3 Over Temp. 0.2 0.4 25 1 1.1 IcL 3.2 0.2 % V 1.3 4.0 A Over Temp. (Vin-Vout=5V) Quiescent Current Fixed Model IQ Temperature Coefficient Tc Adjust Pin Current IADJ 5V 12 14 0.005 25 55 0.2 ΔIADJ Temperature Stability Ts 5V Minimum Load Current Adjust Model Io 5V RMS Output Noise(2) VN Ripple Rejection Ratio(3) RA 500mA Over Temp. 5 3.0A Over Temp. μA 5 0.5 25 5V mA %/℃ 120 Adjust Pin Current Change V 1.262 25 ΔVREF =1% Units 60 % 10 mA 0.003 %Vo 72 dB (1)Low duty cycle pulse testing with Kelvin connections required. (2)Bandwidth of 10Hz to 10KHz. (3)120Hz input ripple (CADJ for ADJ) =25μF . (4)Over Temp.-over specified operating junction temperature range. 2-7 2002.rev.A PJ1085 3 Amp Low Dropout Positive Voltage Regulator Typical Application Circuit (1) C1 NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS (2) C2 REQUIRED FOR STABILITY (1) C1 NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS (2) C2 REQUIRED FOR STABILITY 3-7 2002.rev.A PJ1085 3 Amp Low Dropout Positive Voltage Regulator 4-7 2002.rev.A PJ1085 3 Amp Low Dropout Positive Voltage Regulator 5-7 2002.rev.A PJ1085 3 Amp Low Dropout Positive Voltage Regulator TO-220 Mechanical drawing DIM A B C D E F G H I J K L M N O P TO-220 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 10.00 10.50 0.394 0.413 3.24 4.44 0.128 0.175 2.44 2.94 0.096 0.116 3.565 4.315 0.140 0.170 0.68 0.92 0.027 0.036 1.115 1.485 0.044 0.058 2.345 2.715 0.092 0.107 13.49 14.31 0.531 0.563 4.475 5.225 0.176 0.206 1.15 1.39 0.045 0.055 27.78 29.62 1.094 1.166 2.175 2.925 0.086 0.115 0.297 0.477 0.012 0.019 8.28 8.80 0.326 0.346 14.29 15.31 0.563 0.603 6.01 6.51 0.237 0.256 TO-263 Mechanical drawing DIM A B C D E F G H I J 6-7 TO-263 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 10.00 10.50 0.394 0.413 14.60 15.87 0.575 0.625 0.68 0.92 0.027 0.036 2.42 2.66 0.095 0.105 4.31 4.83 0.170 0.190 1.14 1.40 0.045 0.055 2.28 2.79 0.090 0.110 0.45 0.73 0.018 0.029 8.28 8.80 0.326 0.346 1.14 1.4 0.045 0.055 2002.rev.A PJ1085 3 Amp Low Dropout Positive Voltage Regulator TO-252 Mechanical drawing A B C D E F G H I TO-252 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 6.57 6.84 0.259 0.269 9.25 10.40 0.364 0.409 0.62 0.76 0.024 0.030 2.56 2.67 0.101 0.105 2.30 2.39 0.090 0.094 0.49 0.57 0.019 0.022 1.46 1.58 0.057 0.062 0.52 0.57 0.020 0.022 5.34 5.55 0.210 0.219 J 1.46 DIM 7-7 1.64 0.057 2002.rev.A 0.065