OMNIREL OM1905STM, OM1912STM, OM1915STM, OM1915NTM, OM1912NTM Datasheet
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OM1905STM
OM1905NTM
OM1912STM
OM1912NTM
ISOLATED HERMETIC FIXED VOLTAGE NEGATIVE
REGULATORS APPROVED TO DESC DRAWINGS
Three T erminal, Fixed V oltage, 1.5 Amp
Precision Negative Regulators In Hermetic
JEDEC TO-257AA P ackage
FEATURES
• Isolated Hermetic Package, JEDEC TO-257AA Outline
• Output Voltages: -5V, -12V, -15V
• Output Voltages Set Internally to ±1%
• Built-In Thermal Overload Protection
• Short Circuit Current Limiting
• Product Is Also Available In Non-Isolated Package
• Similar To Industry Standards 7905, 7912, 7915
OM1915STM
OM1915NTM
DESCRIPTION
These three terminal negative regulators are supplied in a hermetically sealed metall
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 ±1% of nominal voltage.
Standard voltages are -5V, -12V, -15V. These units are ideally suited for Military
applications where a hermetically sealed package is required.
PART NUMBER DESIGNATOR
Standard Military Drawing Number Omnirel Part Number
5962-8874601 UX OM1905STM
5962-8874601 TX OM1905NTM
5962-8874701 UX OM1912STM
5962-8874701 TX OM1912NTM
5962-8874801 UX OM1915STM
5962-8874801 TX OM1915NTM
“U” = Isolated
“T” = Non-Isolated
3.3
4 11 R2
Supersedes 1 07 R1
3.3 - 93
OM1905STM/NTM - OM1915STM/NTM
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 Charateristics:
Rated Power @ 25° C TC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W
TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W
Thermal Resistance q
aa qJA.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W
JC
q
JC
(Case U) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W
(Case T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W
3.3
ELECTRICAL CHARACTERISTICS -5 Volt V
Parameter Symbol Test Conditions Min. Max. Unit
Output Voltage V
Line Regulation V
(Note 1)
(Note 4) V
OUT
RLINE
TA= 25°C -4.95 -5.05 V
V
= -7.5V to -20V • -4.85 -5.15 V
IN
I
= 5mA to 1.0, A, P < 15W
O
VIN= -7.5V to -20V 12 mV
= -8.0V to -12V 5 mV
IN
= -10V, Io= 500mA, -55°C TA 125°C (unless otherwise specified)
IN
• 25 mV
• 12 mV
Load Regulation V
(Note 1)
RLOAD
IO = 5mA to 1.5 Amp 20 mV
• 25 mV
I
= 250mA to 750 mA 15 mV
O
• 30 mV
Standby Current Drain I
SCD
• 3.0 mA
Standby Current Drain DI
Change With Line (Line)
Standby Current Drain DI
Change With Load (Load)
Dropout Voltage V
Peak Output Current I
Short Circuit Current I
(Note 2)
Ripple Rejection DV
Output Noise Voltage N
(Note 3) RMS
Long Term Stability DV
(Note 3) Dt
DV
SCD
SCD
DO
O (pk)
DS
IN
OUT
O
OUT
VIN= -7.0V to -20V • 0.4 mA
IO= 5mA to 1000mA • 0.4 mA
DV
= 100mV, I
OUT
TA= 25°C 1.5 3.3 A
VIN= -35V 1.2 A
= 1.0A • 2.5 V
O
• 2.8 A
f =120 Hz, DVIN= -10V 63 dB
(Note 3) • 60 dB
TA= 25°C, f =10 Hz to 100KHz 40 µV/V
TA= 25°C, t = 1000 hrs. 75 mV
2.5 mA
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. Short Circuit protection is only assured up to VIN= -35V.
3. If not tested, shall be guaranteed to the specified limits.
The • denotes the specifications which apply over the full operating temperature range.
3.3 - 94
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