COM7805T
COM7812T
COM7815T
(COTS) COMMERCIAL OFF-THE-SHELF POSITIVE
FIXED VOLTAGE REGULATORS IN TO-257 PA C K-
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 ±2%
Built-In Thermal Overload Protection
Short Circuit Current Limiting
Standard Off-The-Shelf
DESCRIPTION
These three terminal positive regulators are supplied in a herme i a l s a e
tcly eld
metal package whose outline is similar to the industry standard TO-220 plastic package. All
poetv faue aedsge it tecruticuigtemlsudw,cretlmtn
rtcie etrs r eind no h ici nldn hra hton urn iiig
and safe-area control. Wi h h a s n i g t e c n d l v r o e 1 5 a p o o t u c r e t
t et ikn, hy a eie vr . ms f upt urn.
These units feature internally trimmed output voltages to +/- 2% of nominal voltage.
Standard voltages are 5V, 12V, and 15V. However, o h r v l a e a e a a l b e u t 2
te otgs r vial p o 4
vls Tee uis ae iely sie fr Mltr apiain wee a hreial sae
ot. hs nt r dal utd o iiay plctos hr
emtcly eld
package is required.
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 Characteristics:
Rated Power @ 25° C T
C
.............................................. 17.5W
T
A
................................................. 3 W
Thermal Resistance
q
JC
........................................... 4.2°C/W
q
JA
............................................ 42°C/W
33
.
33 - 1
.
COM7800T Series
ELECTRICAL CHARACTERISTICS
Parameter
Output Voltage
Symbol
V
O U T
V
RLINE
5 Vot
l
V
IN
= 1 V I
o
= 500mA, -55°C
0,
T
A
Min.
49
.
125°C (unless otherwise specified)
Max.
51
.
52
.
5
Unit
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
Test Conditions
T
A
= 25°C
V
IN
= 7.5V to 20V
•
•
48
.
Line Regulation
(Note 1)
V
IN
= 7.5V to 20V
V
IN
= 8.0V to 12V
12
4
•
Load Regulation
(Note 1)
I = 250mA to 750 mA
O
V
RLOAD
I = 5mA to 1.5 Amp
O
10
12
•
•
25
6
15
6
Standby Current Drain
I
CD
S
DI
C D
S
(ie
Ln)
DI
C D
S
(Load)
V
D O
I
(pk)
O
I
S
D
DV
IN
DV
O U T
N
O
DV
O U T
Dt
T
A
= 25°C, DV
O U T
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
15
.
I = 5mA to 1000mA
O
V
I
= 7.5V to 20V
N
Standby Current Drain
Change With Line
Standby Current Drain
Change With Load
Dropout Voltage
Peak Output Current
SotCrutCret
hr ici urn
(Note 2)
Ripple Rejection
•
•
•
65
.
08
.
05
.
mA
25
.
33
.
12
.
V
A
A
A
dB
dB
•
f = 2 H , DV
IN
= 10V
10 z
(Note 3)
T
A
= 25°C, f =10 Hz to 100KHz
T
A
= 25°C, t = 1000 hrs.
66
28
.
•
60
40
Output Noise Voltage
(Note 3)
Long Term Stability
(Note 3)
µV/V
RMS
75
mV
ELECTRICAL CHARACTERISTICS
Parameter
Output Voltage
Symbol
V
O U T
V
RLINE
12 Vot
l
V
IN
= 1 V I
o
= 500mA, -55°C
9,
T
A
Min.
11.76
125°C (unless otherwise specified)
Max.
12.24
12.4
18
Unit
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
Test Conditions
T
A
= 25°C
V
IN
= 14.5V to 27V
•
•
1.
16
Line Regulation
(Note 1)
V
IN
= 14.5V to 27V
V
IN
= 16V to 22V
50
9
•
Load Regulation
(Note 1)
I = 250mA to 750 mA
O
V
RLOAD
I = 5mA to 1.5 Amp
O
30
32
•
•
60
20
40
60
.
Standby Current Drain
I
CD
S
DI
C D
S
(ie
Ln)
DI
C D
S
(Load)
V
D O
I
(pk)
O
I
S
D
DV
IN
DV
O U T
N
O
DV
O U T
Dt
DV
O U T
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
I = 5mA to 1000mA
O
V
I
= 15V to 30V
N
Standby Current Drain
Change With Line
Standby Current Drain
Change With Load
Dropout Voltage
•
•
•
•
15
.
65
.
08
.
05
.
mA
25
.
33
.
12
.
V
A
A
A
dB
dB
33
.
Peak Output Current
SotCrutCret
hr ici urn
(Note 2)
Ripple Rejection
•
f = 2 H , DV
IN
= 10V
10 z
(Note 3)
T
A
= 25°C, f =10 Hz to 100KHz
T
A
= 25°C, t = 1000 hrs.
61
28
.
•
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 S o t C r u t p o e t o i o l a s r d u t V
IN
= 35V.
. hr ici rtcin s ny sue p o
3 I nttse,salb gaate t teseiidlmt.
. f o etd hl e urned o h pcfe iis
The • denotes the specifications which apply over the full operating temperature range.
33 - 2
.
COM7800T Series
ELECTRICAL CHARACTERISTICS
Parameter
Output Voltage
Symbol
V
O U T
V
RLINE
15 Vot
l
V
IN
= 2 V I
o
= 500mA, -55°C
3,
T
A
Min.
14.7
125°C (unless otherwise specified)
Max.
15.3
15.5
20
Unit
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
Test Conditions
T
A
= 25°C
V
IN
= 18.5V to 30V
•
•
14.5
Line Regulation
(Note 1)
V
IN
= 17.5V to 30V
V
IN
= 20V to 26V
50
15
•
Load Regulation
(Note 1)
V
RLOAD
I = 5mA to 1.5 Amp
O
I = 5mA to 1.0 Amp
O
I = 250mA to 750 mA
O
25
35
•
•
75
21
45
60
.
Standby Current Drain
I
CD
S
DI
C D
S
(ie
Ln)
DI
C D
S
(Load)
V
D O
I
(pk)
O
I
S
D
DV
IN
DV
O U T
N
O
DV
O U T
Dt
T
A
= 25°C, DV
O U T
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
15
.
I = 5mA to 1000mA
O
V
I
= 18.5V to 30V
N
Standby Current Drain
Change With Line
Standby Current Drain
Change With Load
Dropout Voltage
Peak Output Current
SotCrutCret
hr ici urn
(Note 2)
Ripple Rejection
•
•
•
65
.
08
.
05
.
mA
25
.
33
.
12
.
V
A
A
A
dB
dB
•
f = 2 H , DV
IN
= 10V
10 z
(Note 3)
T
A
= 25°C, f =10 Hz to 100KHz
T
A
= 25°C, t = 1000 hrs.
54
28
.
•
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 S o t C r u t p o e t o i o l a s r d u t V
IN
= 35V.
. hr ici rtcin s ny sue p o
3 I nttse,salb gaate t teseiidlmt.
. f o etd hl e urned o h pcfe iis
The • denotes the specifications which apply over the full operating temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
PEAK OUTPUT CURRENT
35
.
3
25
.
D P U VO AG
RO O T LT E
10
0
I
U T
= 1A
O
RPL RJCIN
IPE EETO
25
.
2
15
.
T
j
= 150°C
T
j
= 25°C
15
.
I = 0A
OUT
I
UT
=
O
Ripple Rejection (dB)
T
j
= -
Input To Output Differential (V)
2
33
.
8
0
V
O U T
= 5V
Output Current (A)
6
0
1
4
0
V
IN
- V = 8V
DC
+ 3.5 V
rms
I = 1A
OUT
T
j
= 25°C
1
05
.
DV
O U T
= 100mV
05
.
DV
O U T
= 100MV
2
0
0
0
5
1
0
1
5
2
0
2
5
3
0
3
5
0
-5 -0 -5
7 5 2
0
2
5
5
0
7 10 15 10
5 0
2 5
1
0
10
0
1
k
1k
0
10
0k
Input To Output Differential (V)
Junction Temperature (°C)
Frequency (Hz)
33 - 3
.
COM7800T Series
TYPICAL APPLICATIONS
Fixed Output Regulator
Circuit For Increasing Output Voltage
INPUT
COM78XX
OM7662SC
OUTPUT
INPUT
OM7605SC
V
XX
R1
0.1µF
COM78XX
OUTPUT
1µFt
0.1µF*
1µF
IQ
R2
*Increasing value of output capacitor improves sys-
tem transient response.
Required only if regulator is located an appreciable
distance from power supply filter.
V
O
= V
XX
(1+
R1
) + I
Q
R2
R2
High Output Current,
Short Circuit Protected
INPUT
R1
Adjustable Output Regulator,
7 To 30 Vo t
ls
R
SC
2N6124
2N4398
INPUT
OUTPUT
0.33µF
1µF
OM7662SC
COM78XX
-
LM741
OUTPUT
OM7662SC
COM78XX
1µF
0.1µF
10K
+
MECHANICAL OUTLINE
TO-257AA
.420
.410
.200
.190
.045
.035
.665
.645
.537
.527
.430
.410
.038 MAX.
PIN CONNECTION
Tab
33
.
.150
.140
.750
.500
.005
COM78XXT
Isolated
Front View
P n 1 Input
i :
P n 2 Ground
i :
P n 3 Output
i :
Tab: Isolated
1 2 3
.035
.025
.100 TYP.
.120 TYP.
Note:
•Case is metal/hermetically sealed glass feedthroughs
•Isolated Tab
205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246
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