OM1805STM OM1812STM OM1815STM
OM1805NTM OM1812NTM OM1815NTM
ISOLATED HERMETIC TO-257AA FIXED VOLTAGE
REGULATORS APPROVED TO DESC DRAWINGS
Three Terminal, Fixed Voltage, 1.5 Amp
Precision Positive Regulators In Hermetic
JEDEC TO-257AA Package
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 7805, 7812, 7815
DESCRIPTION
These three terminal positive 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
±1% of nominal voltage. 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
5962-8778201 UX
OM1805STM
5962-8778201 TX
OM1805NTM
5962-8777601 UX
OM1812STM
5962-8777601 TX
OM1812NTM
5962-8855301 UX
OM1815STM
5962-8855301 TX
OM1815NTM
“U” = Isolated
“T” = Non-Isolated
3.3
4 11 R2
Supersedes 1 07 R1
3.3 - 57
OM1805STM/NTM - OM1815STM/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 T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W
T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W
Thermal Resistance
q
JC
Case U. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W
q
JC
Case T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W
q
JA
Case T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W
a
ELECTRICAL CHARACTERISTICS 5 Volt
Parameter
Output Voltage
Symbol
V
OUT
V
IN
= 10V, I
o
= 500mA, -55°C T
A
125°C (unless otherwise specified)
Min.
4.92
Max.
5.08
5.15
Unit
V
V
Test Conditions
T
A
= 25°C
V
IN
= 7.5V to 20V
I
O
= 5mA to 1.0 A, P < 15W
Line Regulation
(Note 1)
(Note 4)
V
IN
= 8.0V to 12V
V
RLINE
V
IN
= 7.5V to 20V
5
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
•
4.85
•
•
12
4
10
12
Load Regulation
(Note 1)
V
RLOAD
I
O
= 5mA to 1.5 Amp
I
O
= 5mA to 1.0 Amp
I
O
= 250mA to 750 mA
•
•
25
6
15
6
Standby Current Drain
I
SCD
DI
SCD
(Line)
DI
SCD
(Load)
V
DO
I
O (pk)
I
DS
DV
IN
DV
OUT
N
O
DV
OUT
Dt
T
A
= 25°C,
DV
OUT
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
1.5
I
O
= 5mA to 1000mA
V
IN
= 7.5V to 20V
Standby Current Drain
Change With Line
Standby Current Drain
Change With Load
Dropout Voltage
Peak Output Current
Short Circuit Current
(Note 2)
•
•
•
6.5
0.8
0.5
mA
2.5
3.3
1.2
V
A
A
A
dB
dB
•
f =120 Hz,
DV
IN
= 10V
(Note 3)
T
A
= 25°C, f =10 Hz to 100KHz
T
A
= 25°C, t = 1000 hrs.
68
2.8
3.3
Ripple Rejection
•
60
40
Output Noise Voltage
(Note 3)
Long Term Stability
(Note 3)
µV/V
RMS
75
mV
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 V
IN
= 35V.
3. If not tested, shall be guaranteed to the specified limits.
The • denotes the specifications which apply over the full operating temperature range.
4. Minimum load current for full line regulation
= 5.0 mA.
3.3 - 58
OM1805STM/NTM - OM1815STM/NTM
ELECTRICAL CHARACTERISTICS 12 Volt
Parameter
Output Voltage
Symbol
V
OUT
V
IN
= 19V, I
o
= 500mA, -55°C T
A
125°C (unless otherwise specified)
Min.
11.88
Max.
12.12
12.36
Unit
V
V
Test Conditions
T
A
= 25°C
V
IN
= 14.5V to 27V
I
O
= 5mA to 1.0 A, P < 15W
Line Regulation
(Note 1)
(Note 4)
V
IN
= 16V to 22V
V
RLINE
V
IN
= 14.5V to 27V
18
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
•
11.64
•
•
50
9
30
32
Load Regulation
(Note 1)
V
RLOAD
I
O
= 5mA to 1.5 Amp
I
O
= 5mA to 1.0 Amp
I
O
= 250mA to 750 mA
•
•
60
20
40
6.0
Standby Current Drain
I
SCD
DI
SCD
(Line)
DI
SCD
(Load)
V
DO
I
O (pk)
I
DS
DV
IN
DV
OUT
N
O
DV
OUT
Dt
DV
OUT
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
I
O
= 5mA to 1000mA
V
IN
= 15V to 30V
Standby Current Drain
Change With Line
Standby Current Drain
Change With Load
Dropout Voltage
Peak Output Current
Short Circuit Current
(Note 2)
Ripple Rejection
•
•
•
•
1.5
6.5
0.8
0.5
mA
2.5
3.3
1.2
V
A
A
A
dB
dB
•
f =120 Hz,
DV
IN
= 10V
(Note 3)
T
A
= 25°C, f =10 Hz to 100KHz
T
A
= 25°C, t = 1000 hrs.
61
2.8
•
54
40
Output Noise Voltage
(Note 3)
Long Term Stability
(Note 3)
µV/V
RMS
120
mV
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 V
IN
= 35V.
3. If not tested, shall be guaranteed to the specified limits. 4. Minimum load current for full line regulation = 5.0 mA.
The • denotes the specifications which apply over the full operating temperature range.
4. Minimum load current for full line regulation = 5.0 mA.
MECHANICAL OUTLINE
.420
.410
.200
.190
.045
.035
.665
.645
.537
.527
.430
.410
.038 MAX.
CONNECTION DIAGRAM
3.3
4
.150
.140
.750
.500
.005
Case T
1 Input
2 Ground
3 Output
4 Ground
1
2
3
Case U
1 Input
2 Ground
3 Output
4 No Connection
.035
.025
.100 TYP.
.120 TYP.
3.3 - 59
OM1805STM/NTM - OM1815STM/NTM
ELECTRICAL CHARACTERISTICS 15 Volt
Parameter
Output Voltage
Symbol
V
OUT
V
IN
= 23V, I
o
= 500mA, -55°C T
A
125°C (unless otherwise specified)
Min.
14.8
Max.
15.2
15.4
Unit
V
V
Test Conditions
T
A
= 25°C
V
IN
= 18.5V to 30V
I
O
= 5mA to 1.0 A, P < 15W
•
14.6
Line Regulation
(Note 1)
(Note 4)
V
RLINE
V
IN
= 17.5V to 30V
20
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
•
V
IN
= 20V to 26V
50
15
•
Load Regulation
(Note 1)
V
RLOAD
I
O
= 5mA to 1.5 Amp
I
O
= 5mA to 1.0 Amp
I
O
= 250mA to 750 mA
25
35
•
•
75
21
45
6.0
Standby Current Drain
I
SCD
DI
SCD
(Line)
DI
SCD
(Load)
V
DO
I
O (pk)
I
DS
DV
IN
DV
OUT
N
O
DV
OUT
Dt
T
A
= 25°C,
DV
OUT
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
1.5
I
O
= 5mA to 1000mA
V
IN
= 18.5V to 30V
Standby Current Drain
Change With Line
Standby Current Drain
Change With Load
Dropout Voltage
Peak Output Current
Short Circuit Current
(Note 2)
Ripple Rejection
•
•
•
6.5
0.8
0.5
mA
2.5
3.3
1.2
V
A
A
A
dB
dB
•
f =120 Hz,
DV
IN
= 10V
(Note 3)
T
A
= 25°C, f =10 Hz to 100KHz
T
A
= 25°C, t = 1000 hrs.
54
2.8
•
52
40
Output Noise Voltage
(Note 3)
Long Term Stability
(Note 3)
µV/V
RMS
150
mV
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 V
IN
= 35V.
3. If not tested, shall be guaranteed to the specified limits.
The • denotes the specifications which apply over the full operating temperature range.
4. Minimum load current for full line regulation = 5.0 mA.
TYPICAL PERFORMANCE CHARACTERISTICS
3.3
3.5
3
PEAK OUTPUT
2.5
DROPOUT VOLTAGE
100
RIPPLE REJECTION
T
j
= -55°C
2
Output Current (A)
2.5
1.5
2
T
j
= 25°C
I
OUT
= 500mA
Ripple Rejection (dB)
I
OUT
= 1A
80
V
OUT
= 5V
60
1.5
1
T
j
= 150°C
1
I
OUT
= 0A
40
V
IN
- V = 8V
DC
+3.5V
rms
I
OUT
= 1A
T
j
= 25°C
0.5
DV
OUT
= 100MV
0.5
0
0
20
DV
OUT
= 100mV
5
10
15
20
25
30
35
0
-75 -50 -25
0
25 50 75 100 125 150
0
10
100
1k
10k
100k
Input To Output Differential (V)
Junction Temperature (°C)
Frequency (Hz)
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246
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