鈥?/div>
Isolated Hermetic Package, JEDEC TO-257AA Outline
Adjustable Output Voltage
Eliminates Stocking Fixed Voltages
Built-In Thermal Overload Protection
Short Circuit Current Limiting
Product Is Available Screened To MIL-STD -883
Similar To Industry Standard P/N LM137
DESCRIPTION
This three terminal negative regulator is 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 1.0 amp of
output current. This unit features output voltages that can be trimmed using external
resistors, from -1.2 volts to -37 volts.
ABSOLUTE MAXIMUM RATINGS
@ 25擄C
Input-Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . -55擄C to +150擄C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65擄 to +150擄C
Typical Power/Thermal Characteristics:
Rated Power @ 25擄C
T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.5W
T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W
Thermal Resistance
q
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5擄C/W
q
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42擄C/W
3.3
Note:
This device is also available in a non-isolated JEDEC TO-257AA package.
Use part number OM7603NT for non-isolated unit.
4 11 R4
Supersedes 1 07 R3
3.3 - 137
1
2
3
4
