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OM1323

1.5 AMP NEGATIVE ADJUSTABLE VOLTAGE REGULATOR APPROVED TO DESC DRAWING 7703404

Unspecified 

OM1323SMM OM1323NMM OM1323STM

OM1323NKM OM1323NTM OM1323N2M

1.5 AMP NEGATIVE ADJUSTABLE VOLTAGE

REGULATOR APPROVED TO DESC DRAWING 7703404

Please see mechanical

outlines herein

Three Terminal, Precision Adjustable

Negative Voltage Regulator In Hermetic

Style Packages (LM137HV)

FEATURES

• Similar To Industry Standard LM137HV

• Approved To DESC Standardized Military Drawing Number 7703404

• Built In Thermal Overload Protection

• Short Circuit Current Limiting

• Available In Six Package Styles

DESCRIPTION

These three terminal negative regulators are supplied in hermetically sealed

packages. All protective features are designed into the circuit, including thermal

shutdown, current-limiting, and safe-area control. With heat sinking, these devices

can deliver up to 1.5 amps of output current. The LCC-20 device is limited to .5

amps. The unit also features output voltages that can be fixed from -1.2 volts to -47

volts using external resistors.

ABSOLUTE MAXIMUM RATINGS Tc @ 25°C

Power Dissipation

Case 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 W

Case-All Others. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 W

Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V

Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . - 55°C to + 150°C

Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C

Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C

Thermal Resistance, Junction to Case:

Case 2, LCC-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17°C/W

Case U & M, TO-257 (Isol) and SMD-3 . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W

Case T&N, TO-257 (Non-Isol) and SMD-1 . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W

Case Y, TO-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0°C/W

Maximum Output Current:

Case 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 A

Case-All Others. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A

Recommended Operating Conditions:

Output Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-1.2 to -47 VDC

Ambient Operating Temperature Range (TA). . . . . . . . . . . . . . . . - 55°C to + 125°C

Input Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4.25 to -51.25 VDC

4 11 R2

Supersedes 1 07 R1

3.5 - 13

3.5

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