3.3 - 1
3.3
COM7905T
COM7912T
Three Terminal, Fixed Voltage, 1.5 Amp
Precision Negative Regulators In Hermetic
JEDEC TO-257AA Package
8 09 R0
(COTS) COMMERCIAL OFF-THE-SHELF FIXED
V O LTAGE NEGATIVE REGULATORS IN TO-257
FEATURES
• Isolated Hermetic Package, JEDEC TO-257AA Outline
• Output Voltages: -5V, -12V, -15V
• Output Voltages Set Internally To ± 2%
• Built-In Thermal Overload Protection
• Short Circuit Current Limiting
• Standard Off-The-Shelf
DESCRIPTION
These three terminal negative regulators are supplied in a hermetically sealed
metal package whose outline is similar to the industry standard TO-220 plastic
package.
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 2% of nominal voltage. Standard voltages are -5V, -12V, and -15V.
However, other voltages are available up to -24 volts. These units are ideally suited
for Military applications where a hermetically sealed package is required.
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
Typical Power/Thermal Characteristics:
Rated Power @ 25° C
T
C .............................................. 17.5W
T
A ................................................. 3 W
Thermal Resistance
q
JC ............................................ 4.2°C/W
q
JA ............................................ 42°C/W
COM7915T
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