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OMR7905ST Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 8 page 300K Rad Tolerant Three Terminal, Negative Fixed Voltage Regulators In Hermetic Packages 300 kRAD RADIATION TOLERANT 1.5 AMP NEGATIVE FIXED VOLTAGE REGULATORS OMR7905NH OMR7912NH OMR7915NH OMR7905NM OMR7912NM OMR7915NM OMR7905ST OMR7912ST OMR7915ST OMR7905SR OMR7912SR OMR7915SR Please see mechanical outlines herein 0 04 R1 Supersedes 9 12 R0 FEATURES • Isolated & Non-Isolated Hermetic Packages • Output Voltages: -5V, -12V, -15V (Other Voltages Available) • Output Voltages Set Internally To ±1% or ±2% • Built-In Thermal Overload Protection • Short Circuit Current Limiting • Radiation Tolerant up to 450 K Rad (Si) • Available Hi-Rel Screened, Class B and Class S, MIL-STD-883 DESCRIPTION These three terminal negative regulators are supplied in a high density hermetically sealed metal package and are available hi-rel screened. All protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. With heat sinking, they can deliver over 1.5 amps of output current. These units feature internally trimmed output voltages to ±1% or 2% of nominal voltage. Standard voltages are -5V, -12V, and -15V. However, other voltages are available up to -24 volts. These devices are ideally suited for Space applications where small size, high reliability, and radiation tolerance is required. The high level of Radiation Tolerance of these devices makes them a desirable choice for LEO and many MEO and GEO communication satellites. Radiation testing is performed on a single wafer by wafer basis. Random die samples per wafer are selected, packaged and radiation tested to qualify each individual semiconductor wafer-by-wafer. ABSOLUTE MAXIMUM RATINGS @ 25°C Input Voltage ......................................................................... -35 V Operating Junction Temperature Range.................................. - 55°C to + 150°C Storage Temperature Range............................................. - 65°C to + 150°C Power Dissipation: TO-205 ........................................................... 1.1 W TO-257/SMD/ D2 Pac .................................................................20 W Lead Temperature (Soldering 10 seconds) ...........................................300°C Surface Mount Package Soldering Temperature ......................................250°C Thermal Resistance, Junction to Case: TO-205 .......................................................................17°C/W TO-257(Isolated), D2 Pac (Isolated) ..........................................4.2°C/W SMD-1 .......................................................................3.5°C/W Thermal Resistance, (Junction Ambient): TO-205 .......................................................................90°C/W TO-257(Isolated), D2 Pac (Isolated) SMD-1 ...................................42°C/W Maximum Output Current: TO-205.................................................... 0.5 A Case-All Others .................................................................. 3.3A Radiation Tolerant - Total Dose .............................................. 300 K Rad (Si) |
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