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OM1323SMM OM1323NMM OM1323NKM OM1323NTM
OM1323STM OM1323N2M
1.5 AMP NEGATIVE ADJUSTABLE VOLTAGE REGULATOR APPROVED TO DESC DRAWING 7703404
Three Terminal, Precision Adjustable Negative Voltage Regulator In Hermetic Style Packages (LM137HV)
Please see mechanical outlines herein
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 @ 25C
Power Dissipation Case 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 W Case-All Others. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 W Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to + 150C Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300C Thermal Resistance, Junction to Case: Case 2, LCC-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17C/W Case U & M, TO-257 (Isol) and SMD-3 . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2C/W Case T&N, TO-257 (Non-Isol) and SMD-1 . . . . . . . . . . . . . . . . . . . . . . . 3.5C/W Case Y, TO-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0C/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). . . . . . . . . . . . . . . . - 55C to + 125C Input Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4.25 to -51.25 VDC
4 11 R2 Supersedes 1 07 R1
3.5
3.5 - 13
OM1323NTM, OM1323STM, OM1323NKM, OM1323SMM, OM1323NMM, OM1323N2M
ELECTRICAL CHARACTERISTICS
Parameter Reference Voltage Symbol VREF
-55C TA 125C, IL = 8mA (unless otherwise specified) OM1323NTM, OM1323STM, OM1323NKM, OM1323SMM, OM1323NMM
Test Conditions VDIFF = 3.0V, TA = 25C VDIFF = 3.0V VDIFF = 50V, TA = 25C VDIFF = 50V Line Regulation (Note 1) Load Regulation (Note 1) RLOAD VDIFF = 5.0V, 8mA IL 110mA TA = 25C VDIFF = 5V, 8mA IL 1.5A, TA = 25C -25 25 45 5 mV RLINE 3.0 V VDIFF 40V, TA = 25C Min. -1.275 Max. -1.225 -1.20 -1.225 -1.20 10 25 25 mV mV V Unit
* * * *
-1.30 -1.275 -1.30 -10 -25 -25
*
Thermal Regulation VRTH Vin = -14.6V, IL = 1.5A Pd = 20 Watts, t = 10 ms, TA = 25C Ripple Rejection (Note 2) Adjustment Pin Current IAdj RN f = 120 Hz, Vout = Vref CAdj = 10 F VDIFF = 3.0V VDIFF = 40V VDIFF 50V Adjustment Pin Current Change Miminum Load Current ILmin IAdj VDIFF = 5V, 8mA IL 1.5A 3 V VDIFF 50V VDIFF = 3.0V, Vout = -1.4V (forced) VDIFF = 10V, Vout = -1.4V (forced) VDIFF = 40V, Vout = -1.4V (forced) VDIFF = 50V, Vout = -1.4V (forced) Current Limit (Note 2) ICL VDIFF 5V VDIFF = 50V, TA = 25C
-45 -5
* * * * * * * * * * *
66
dB
100 100 100 -5 -6 5 6 3.0 3.0 5.0 5.0 1.5 0.2 3.5 1.0 A mA A A A
Notes: 1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used. Changes in output voltage due to heating effects must be taken into account separately. 2. If not tested, shall be guaranteed to the specified limits. 3. The * denotes the specifications which apply over the full operating temperature range.
PART NUMBER DESIGNATOR
3.5
Standard Military Drawing Number 7703404M 7703404U 7703404T 7703404Y 7703404N 77034042
Omnirel Part Number OM1323SMM OM1323STM OM1323NTM OM1323NKM OM1323NMM OM1323N2M
Omnirel Package Designation SMD-3 TO-257 (Isolated) TO-257 (non-Isolated) TO-3 SMD-1 LCC-20
3.5 - 14
OM1323NTM, OM1323STM, OM1323NKM, OM1323SMM, OM1323NMM, OM1323N2M
ELECTRICAL CHARACTERISTICS
OM1323N2M
Parameter Reference Voltage Symbol VREF
-55C TA 125C, IL = 8mA (unless otherwise specified)
Min. -1.275 Max. -1.225 -1.20 -1.225 -1.20 -1.225 -1.20 10 25 25 mV -31 31 50 2 mV mV V V Unit
Test Conditions VDIFF = 3.0V, TA = 25C VDIFF = 3.0V VDIFF = 40V, TA = 25C VDIFF = 40V VDIFF = 50V, TA = 25C VDIFF = 50V
* * * * *
-1.30 -1.275 -1.30 -1.275 -1.30 -10 -25 -25
Line Regulation (Note 1) Load Regulation (Note 1)
RLINE
3.0 V VDIFF 40V, TA = 25C VDIFF = 5.0V, 8mA IL 100mA TA = 25C VDIFF = 5V, 8mA IL 500 mA, TA = 25C
RLOAD
*
Thermal Regulation VRTH Vin = -16.25V, IL = 330 mA Pd = 5 Watts, t = 10 ms, TA = 25C Ripple Rejection (Note 2) Adjustment Pin Current IAdj RN f = 120 Hz, Vout = Vref CAdj = 10 F VDIFF = 3.0V VDIFF = 40V VDIFF 50V Adjustment Pin Current Change Miminum Load Current ILmin IAdj VDIFF = 5V, 8mA IL 200 mA 3 V VDIFF 50V VDIFF = 3.0V, Vout = -1.4V (forced) VDIFF = 10V, Vout = -1.4V (forced) VDIFF = 40V, Vout = -1.4V (forced) VDIFF = 50V, Vout = -1.4V (forced) Current Limit (Note 2) ICL VDIFF 5V VDIFF = 50V, TA = 25C
-50 -2
* * * * * * * * * * *
66
dB
100 100 100 -5 -6 5 6 3.0 3.0 5.0 5.0 0.5 0.1 1.8 0.65 A mA A A A
Notes: Please see previous page.
TYPICAL APPLICATIONS
IPROG + CIN* 1.0F R2 R1 120 CO** + 1.0F
* Cin is required if regulator is located more than 4 inches from power supply filter. A 1 F solid tantalum or 10 F aluminum electrolytic is recommended. ** Co is necessary for stability. A 1 F solid tantalum or 10 F aluminum electrolytic is recommended.
3.5
IAdj VIN -VIN OM1323STM VOUT -VOUT
Vout = -1.25 V (1 +R2) R1
3.5 - 15
OM1323NTM, OM1323STM, OM1323NKM, OM1323SMM, OM1323NMM, OM1323N2M
MECHANICAL OUTLINE
.425
.420 .410
.200 .190 .045 .035 .665 .645 .537 .527
1
.100 .200
3 2
.035 WIDE FLAT 3 PLCS.
.425
.150 .140
.350 MIN.
123
.430 .410
.020
.020 .115 .160
.080
.038 MAX.
OM1323SMM
.750 .500 .005
Front View Pin 1 - Adjust Pin 2 - Output Pin 3 - Input Case - Isolated
.035 .025
.100 TYP.
.120 TYP.
OM1323STM Isolated
Front View Pin 1 - Adjust Pin 2 - Input Pin 3 - Output Tab - Isolated
OM1323NTM Non-Isolated
Front View Pin 1 - Adjust Pin 2 - Input Pin 3 - Output Tab - Input
.140 .015 .075 .157
.140
.140 .075
1
2
.030 MIN.
.415
3
.062
.375
OM1323NMM
Pin 1 - Adjust Pin 2 - Output Pin 3 - Input
1.53 REF. 0.875 MAX. 0.135 MAX. 0.450 0.250 0.312 MIN. SEATING PLANE 0.043 0.038 2 PLCS. 0.225 0.205 0.161 0.151 0.525 R. MAX.
.003
1.197 1.177 0.675 0.655 0.440 0.420
.065 .020 X45 REF.
(.003)
.009 R. 20 PLCS. .040
4
.010
0.188 R. MAX.
.075 (.010) TYP.
9
2 1
.025 TYP. .085
3 1 19
.160 SQ. REF.
13 18 14
.025 SQ. TYP.
.050 TYP. .040 X45 REF (3 PL)
.050 (.005) TYP.
OM1323N2M
3.5
OM1323NKM
Pin 1 - Adjust Pin 2 - Output Case - Input
Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10
VIN NC NC NC NC NC NC NC ADJUST NC
Pin 11 Pin 12 Pin 13 Pin 14 Pin 15 Pin 16 Pin 17 Pin 18 Pin 19 Pin 20
NC VOUT VOUT NC NC NC NC NC NC VIN
For additional information please see the mechanical outline section.

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