English
Language : 

OM2940STM Datasheet, PDF (1/4 Pages) List of Unclassifed Manufacturers – 0.5 VOLT LOW DROPOUT POSITIVE FIXED VOLTAGE REGULATOR APPROVED TO DESC DRAWING
OM2940STM
0.5 VOLT LOW DROPOUT POSITIVE FIXED VOLTAGE
REGULATOR APPROVED TO DESC DRAWING
Three Terminal, Fixed Voltage, 1 Amp
Low Dropout Voltage Regulator In
Hermetic JEDEC TO-257AA Package
FEATURES
• Similar To Industry Standard LM2940
• Approved To DESC Standardized Military Drawing
• Dropout Voltage Typically 0.5 V @ IO = 1 A
• Output Current in Excess of 1 A
• Reverse Battery Protection
• Internal Short Circuit Protection
• Isolated Hermetic Package
DESCRIPTION
These three terminal fixed voltage regulators are designed to provide 1.0A with high
efficiency. It has the ability to source 1A of output current with a typical dropout
voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied
in the hermetic TO-257 package and is ideally suited for Military applications where
small size and high reliability is required.
ABSOLUTE MAXIMUM RATINGS
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Vdc
Output Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V, +12V, +15Vdc
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55°C to + 125°C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C
Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
Thermal Resistance:
3.3
qJC (Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W
qJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W
Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 A
PART NUMBER DESIGNATOR
Standard Military Drawing Number
Omnirel Part Number
5962-8958710MUX
OM2940-5STM
5962-9088401MUX
OM2940-12STM
5962-9088501MUX
OM2940-15STM
4 11 R1
Supersedes 3 02 R0
3.3 - 97