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Operates Down to 1V Dropout, 1.5V @ Max. Current
.015% Line Regulation
.01% Load Regulation
1% Reference Voltage
Hermetic Isolated and Non-Isolated Packages
Radiation Tolerant up to 150 kRad (Si)
Available Hi-Rel Screened, Class B and Class S, MIL-STD-883
DESCRIPTION
These three terminal positive adjustable voltage regulators are designed to provide 7.5A,
5A, 3A, and 1.5A with higher efficiency than conventional voltage regulators. The devices
are designed to operate to 1 Volt input to output differential and the dropout voltage is
specified as a function of load current. All devices are pin compatible with older three
terminal regulators. 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擄C
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 V
Operating Junction Temperature Range. . . . . . . . . . . . . . . . . . . . . - 55擄C to + 150擄C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65擄C to + 150擄C
Output Current - OMR183SC, NM.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5 A
OMR184SC, NM.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 A
OMR185ST, SR, NM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 A
OMR186ST, SR, NM.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 A
OMR186NH.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 A
Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300擄 C
Surface Mount Package Soldering Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250擄 C
Radiation Tolerant - Total Dose, OMR183, OMR184 . . . . . . . . . . . . . . . . . . .100k Rad (Si)
Total Dose, OMR185 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50k Rad (Si)
Total Dose, OMR186 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30k Rad (Si)
Note:
OMR183 and OMR184 products are packaged in the TO-258 or SMD-1 Packages (7.5A & 5A).
OMR185 products are packaged in the TO-257, D2 Pac or SMD-1 Packages (3A).
OMR186 products are packaged in the TO-257, D2 Pac or SMD-1 or TO-205 Packages (1.5A & 0.5A).
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