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| OM7670 Series OM7671 Series 1.5 AMP AND 3 AMP LOW DROPOUT 3.3 VOLTAGE POSITIVE REGULATOR +3.3 Volt, Low Dropout Positive Regulators in Hermetic Packages Please see mechanical outlines herein FEATURES * * * * * * * Low Dropout Voltage and Ground Currents High Current Capability Built-In Thermal Overload Protection Short Circuit Current Limiting Output Voltage Tolerance Guaranteed to + 1% Available in Multiple Hermetic Package Styles Output Current from .75A to 3.0A DESCRIPTION This series of +3.3 Voltage Regulators are high current, high accuracy, low dropout regulators and well suited for systems where extremely low dropout voltages is critical. They feature full protection against overcurrent faults, reversed input polarity, reversed lead insertion, over temperature operation and positive and negative transient voltage spikes. They are available in a number of hermetic package styles where critical environmental systems demand high performance. ABSOLUTE MAXIMUM RATINGS @ 25C Operating Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Volts Output Current - Package Dependent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Below Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55 to + 125 C Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65 to + 150 C Lead Temperature, Soldering for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 150 C ORDERING INFORMATION - OM7670/71 SERIES PART NUMBER OM7670NK OM7671NK OM7670NM OM7671NM OM7670SM OM7671SM OM7670ST OM7671ST OM7670N2 OUTPUT CURRENT (AMP) 1.5 3.0 1.3 2.6 1.3 2.6 1.3 2.6 .75 PACKAGE TO-204AA TO-204AA Surface Mount - SMD1 Surface Mount - SMD1 Surface Mount - SMD3 Surface Mount - SMD3 TO-257AA Isolated Tab TO-257AA Isolated Tab LCC-28 THERMAL RESISTANCE Package Style LCC-28 TO-257AA, SMD-1 and SMD-3 TO-204AA (TO-3) 1 11 R2 Supersedes 9 01 R1 MAX POWER - WATTS OM7670 Series OM7671 Series 5 13 15 ---26 30 Junction to Case 20C/Watt 4.2C/Watt 3.0C/Watt Table 1 OM7670 Series OM7671 Series ELECTRICAL CHARACTERISTICS Parameter Output Voltage Symbol VOUT -55C TA 125C (unless otherwise specified) Min. 3.267 Max. 3.333 Unit V Test Conditions VIN = 5.0 V, IOUT = 10 mA TA = 25 C 4.75 V VIN 18 V, 10 mA IOUT ILMIN * * 3.325 3.365 V Line Regulation (Note 1) Load Regulation (Note 1) VOUT VIN VOUT IOUT 4.5V VIN 18 V, IOUT = 0 A VIN = 5.0 V, 0A IOUT ILMIN TA = 25 C VIN = 5.0 V, 0A IOUT ILMIN IOUT = ILMIN, VREF = 1% 30 ms pulse, TA = +25 C f = 120 Hz, CAdj = 25 F, COUT = 25 F (tantalum), IOUT = ILMIN, VIN = 6.3 V 12 mV 15 mV Dropout Voltage Thermal Regulation Ripple Rejection VDO VIN VOUT * * * 60 25 1.5 0.04 mV V %/W dB Quiescent Current Current Limit IQ IL VIN = 18 V OM7670NK, VIN = 18 V OM7670NM/ST/SM VIN = 18 V OM7670N2, VIN = 18 V OM7671NK, VIN = 18 V OM7671NM/ST/SM, VIN = 18 V VIN = 28 V, All Types * * * * * * * 10 1.5 1.3 .75 3.0 2.6 .050 3.5 2.5 1.50 5.0 4.5 -1.55 mA A A % Temperature Stability (Note 2) Long Term Stability (Note 2) VOUT T VOUT T -55 C TJ +125 C TA = +125 C, t = 1000 hrs 1.0 % Notes: 1. Line and Load Regulation are measured at a constant junction temperature using a low duty cycle pulse technique. Although power dissipation is internally limited, regulation is guaranteed up to the maximum power dissipation of 15W for the OM7670 series and 30 watts for the OM7671 series (See Table 1). Power dissipation is determined by the input/output differential voltage and the output current. Guaranteed maximum power dissipation will not be available over the full input/output voltage range. 2. Guaranteed by design, characterization or correlation to other tested parameters. 3. The * denotes the specifications which apply over the full operating temperature range. 3.3 MECHANICAL OUTLINES OM7670 Series OM7671 Series .425 .100 .200 1 3 2 .035 WIDE FLAT 3 PLCS. .425 .420 .410 .140 .075 .157 .140 .075 1 2 .350 MIN. .030 MIN. .020 .115 .160 .150 .140 .665 .645 .537 .527 123 .020 .080 .415 3 OM7670SM/OM7671SM Pin Out .062 .375 .750 .500 OM7670NM/OM7671NM BOTTOM VIEW Pin 1 Pin 2 Pin 3 Ground Vin Vout .035 .025 .100 TYP. Pin Out Pin 1 Pin 2 Pin 3 Vin Ground Vout OM7670ST/OM7671ST Pin Out Pin 1 Pin 2 Pin 3 Ground Vout Vin .450 SQ. .02 x 45 .090 MAX. .035 4 PIN 1 PIN 28 1 26 .300 4 PLCS. .050 24 PLCS 12 .305 SQ. 18 SEATING PLANE 1.53 REF. 0.875 MAX. 0.135 MAX. 0.450 0.250 0.312 MIN. 0.043 0.038 2 PLCS. 0.225 0.205 0.161 0.151 1.197 1.177 0.675 0.655 0.440 0.420 0.188 R. MAX. TOP .05 X 45 MAX. 3 PLCS. SIDE .009 R. BOTTOM 28 PLCS. 0.525 R. MAX. OM7670N2 Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin 1 2 3 4 5 6 7 8 9 10 Input Adjust Adjust Output Output Output Output Output Output Output Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin 11 12 13 14 15 16 17 18 19 20 Output Output Adjust Adjust Input Input Input Input Input Input Pin Pin Pin Pin Pin Pin Pin Pin 21 22 23 24 25 26 27 28 Input Input Input Input Input Input Input Input OM7670NK/OM7671NK Pin 1 Pin 2 Case Input Output Adjust For more information on any of these mechanical outlines, please visit our web site at: www.omnirel.com |
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