SPX29300

SPX29300/01/02/03 3A High Current, Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response Time FEATURES ■ Adjustable Output Down To 1.25V ■ 1% Output Accuracy ■ Output Current of 3A ■ Low Dropout Voltage of 450mV @ 3A ■ Extremely Tight Load and Line Regulation ■ Extremely Fast Transient Response ■ Reverse-Battery Protection ■ Zero Current Shutdown (5 pin version) ■ Error Flag Signal Output for Out of Regulation State (5 pin version) ■ Standard TO-220 and TO-263 Packages SPX29300 3 Pin TO-263 1 2 3 VIN GND VOUT Now Available in Lead Free Packaging APPLICATIONS ■ Powering VGA & Sound Card ■ Power PC™ Supplies ■ SMPS Post Regulator ■ High Efficiency “Green” Computer Systems ■ High Efficiency Linear Power Supplies ■ Constant Current Regulators ■ Adjustable Power Supplies ■ Battery Charger DESCRIPTION The SPX29300/01/02/03 are 3A, highly accurate voltage regulators with a low drop out voltage of 450mV dropout (typical) @ 3A. These regulators are specifically designed for low voltage applications that require a low dropout voltage and a fast transient response. They are fully fault protected against over-current, reverse battery, and positive and negative voltage transients. On-Chip trimming adjusts the reference voltage to 1% initial accuracy. Other features in the 5 pin versions include Enable, and Error Flag. The SPX29300/01/02/03 are offered in 3 & 5-pin TO-220 & TO-263 packages. For a 1.5A version, refer to the SPX29150 data sheet. TYPICAL APPLICATIONS CIRCUITS VIN 6.8μF + 1 SPX29300 3 2 + 10μF VOUT V IN 6.8μF + 1 SPX29302 2 GND 3 5 4 + R1 V OUT 10μF ADJ R2 Figure 1. Fixed Output Linear Regulator Figure 2. Adjustable Output Linear Regulator Date: 9/5/06 Rev C SPX29300/01/02/03 3A Low Dropout Voltage Regulator © 2006 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS Lead Temperature (soldering, 5 seconds) ................260°C Storage Temperature Range........................-65°C to +150°C Operating Junction Temperature Range......-40°C to +125°C Input Voltage (Note 1) .................................................... 16V ELECTRICAL CHARACTERISTICS (Note 1) at VIN=VOUT + 1V and IOUT = 10mA, CIN = 6.8μF, COUT = 10μF, TA = 25°C, unless otherwise specified. The Boldface applies over the junction temperature range. SPX29300/01 MIN MAX PARAMETER Fixed Voltage Options 1.8V Version Output Voltage 2.5V Version Output Voltage 3.3V Version Output Voltage 5.0V Version Output Voltage All Voltage Options Line Regulation Load Regulation ΔV/ΔT Dropout Voltage, except 1.8V, (Note 3) Ground Current (Note 5) Ground Pin Current at Dropout Current Limit Output Noise Voltage (10Hz to 100kHz) IL=100mA Reference Voltage Reference Voltage Adjust Pin Bias Current Reference Voltage Temp. Coeff. Adjust Pin Bias Current Temp. Coeff. Date: 9/5/06 Rev C CONDITIONS TYP UNITS IOUT = 10mA 10mA ≤ IOUT ≤ 3A, 2.8V ≤ VIN ≤ 16V IOUT = 10mA 10mA ≤ IOUT ≤ 3A, 3.5V ≤ VIN ≤ 16V 1.800 1.800 1.782 1.764 1.818 1.836 V 2.500 2.500 2.475 2.450 2.525 2.550 V IOUT = 10mA 10mA ≤ IOUT ≤ 3A, 4.3V ≤ VIN ≤ 16V 3.300 3.300 3.267 3.234 3.333 3.366 V IOUT = 10mA 10mA ≤ IOUT ≤ 3A, 6.0V ≤ VIN ≤ 16V IOUT=10mA,(VOUT+1V) ≤ VIN ≤ 16V VIN=VOUT+1V, 10mA≤ IOUT ≤ IFL (Note 2) VOUT Temp Coefficient (Note 6) IOUT=100mA IOUT=1.5A IOUT=3.0A IOUT=1.5A IOUT=3.0A VIN=0.5V less than specified VOUT, IOUT=10mA VOUT=0V (Note 4) CL=10μF CL=33μF Adjustable version only Adjustable version only (Note 8) 5.000 5.000 4.950 4.900 5.050 5.100 V SPX29300/01/02/03 0.06 0.2 20 50 150 450 10 37 0.9 4.5 400 260 1.240 1.228 1.215 1.203 40 (Note 7) 20 0.1 1.252 1.265 1.277 80 120 V V nA ppm/°C nA/°C 3.0 0.5 1 100 175 700 35 mA mA A μVRMS % % ppm/°C mV SPX29300/01/02/03 3A Low Dropout Voltage Regulator © 2006 Sipex Corporation 2 ELECTRICAL CHARACTERISTICS at VIN=VOUT + 1V and IOUT = 10mA, CIN = 6.8μF, COUT = 10μF, TA = 25°C, unless otherwise specified. The Boldface applies over the junction temperature range. Adjustable versions are set to 5.0V. PARAMETER CONDITIONS FLAG OUTPUT (ERROR COMPARATOR) Output Leakage Current Output Low Voltage Upper Threshold Voltage Lower Threshold Voltage Hysteresis ENABLE Input Input Logic Voltage Low (OFF) High (ON) ENABLE Input Pin VIN