Gamma GM7818-TB3T Positive voltage regulator Datasheet

Features
Description
The GM7800 series are classic regulators, which are use-
Output current up to 1.5A
ful in a wide range of applications. For example, you can
Output Voltages 5V, 6V, 8V, 8.5V, 9V, 10V,
use them for local on-card regulation to eliminate the distri-
12V, 15V, 18V, 20V, 24V and 27V
bution and problems associated with single point regulation.
3- Terminal Regulators
Internal Thermal Overload Protection
The wide range of output voltages (5V to 27V) make them
useful in an endless list of applications. Although designed
as fixed voltage regulators, you can add a few external
components to make adjustable voltages and currents.
Current limiting prevents the peak output current to a safe
Internal Short-Circuit Current Limiting
Output Transistor Safe-Area Protection
TO-220, TO-252 and TO-263 Packages
High Power Dissipation Capability
Direct replacements for LM78xx
value. Safe-area protection of the output transistor limits internal power dissipation. If internal power dissipation becomes too high for the heat sinking provided, the thermal
Application
shutdown circuit activates to prevent the regulator from
overheating. These versatile workhorses are easy to use.
Post-Regulator Switching DC/DC
You do not need to bypass the output, although this does
Converters
improve transient response. Input bypass is needed only if
you place the regulator far from the filter capacitor of the
Bias Supply for Analog Circuits
power supply.
Instrumentation and Audio Systems
The GM7800 series is available in TO-220, TO-252 and
Logic Systems
TO-263 packages.
Others too numerous to mention
VIN
GM7800
VOUT
1.5A
0.1µF
0.33µF
GND
For a positive regulator, a 0.33µF bypass capacitor should be used on the input terminals.
While not necessary for stability, an output capacitor of 0.1µF may be used to improve the
transient response of the regulator. These capacitors should be on or as near as possible
to the regulator terminals .
www.gammamicro.com
GM7800 SERIES V0.1
TYPIC APPLICATION CIRCUITS
1
MARKING INFORMATION & PIN CONFIGURATIONS (TOP VIEW)
2
TO-220
TO-263-2 (D PAK)
GM78VV
TO-252-3 (DPAK)
AYWW
AYWW
=Output Voltage(05: 5.0V, 12: 12V)
=Assembly Location
=Year
=Weekly
VOUT
OUTPUT
INPUT
VV
A
Y
WW
GM78VV
GM78VV
AYWW
TAB is GND
GND
VIN
OUTPUT
INPUT
GND
ORDERING INFORMATION
Pro Number
VOUT
Package
GM7805
5.0V
TO-263, TO-220, TO-252
GM7806
6.0V
TO-263, TO-220, TO-252
GM7808
8.0V
TO-263, TO-220, TO-252
GM7885
8.5V
TO-263, TO-220, TO-252
GM7809
9.0V
TO-263, TO-220, TO-252
GM7810
10V
TO-263, TO-220, TO-252
GM7812
12V
TO-263, TO-220, TO-252
GM7815
15V
TO-263, TO-220, TO-252
GM7818
18V
TO-263, TO-220, TO-252
GM7820
20V
TO-263, TO-220, TO-252
GM7824
24V
TO-263, TO-220, TO-252
GM7827
27V
TO-263, TO-220, TO-252
GM7800 SERIES
* For detail Ordering Number identification, please see last page.
2
RECOMMENDED OPERATING CONDITIONS (IO= 1.5A)
PARAMETER
Input Voltage VI
Output Current, IO
Operating virtual junction temperature, TJ
GM7805
GM7806
GM7808
GM7885
GM7809
GM7810
GM7812
GM7815
GM7818
GM7820
GM7824
GM7827
MIN
MAX
7
8
10.5
10.5
11.5
12.5
14.5
17.5
21
23
27
30
25
25
25
25
27
28
30
30
33
36
38
40
1.5
125
0
UNIT
V
A
°C
ABSOLUTE MAXIMUM RATINGS
UNIT
VALUE
PARAMETER
GM7824, GM7827
40
All others
35
Input Voltage
V
Continuous Total Dissipation at 25°C free-air temperature
2
Continuous Total Dissipation at (or bellow) 25°C case Temperature
15
W
Operating free-air, case, or virtual junctions Temperature Range
0 to +150
Storage Temperature Range
-65 to +150
Lead Temperature 1.6mm (1/16 inch) from case for 10seconds
°C
260
SCHEMATIC BLOCK DIAGRAM
INPUT
Q15
Q11
R13
10k
Q12
Q16
R10
1k
D2
D1
6.3V
Q13
Q14
R15
2k
R14
230
R12
200
R16
0.3k
OUTPUT
R17
R1
30k
Q6
Q1
R9
4k
R2
1.9k
R7
17k
Q2
C1
20pF
R18
2.6k
Q10
R3
26
Q7
Q4
Q8
Q5
Q3
R4
1.2k
R5
12.1k
R6
1k
R8
4k
Q9
GM7800 SERIES
VREF
3
GND
ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7805: VI= 10V, IO= 500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=7V to 20V, P
VI=7V to 25V
15W
TYP
MAX
25°C
4.8
5.0
5.2
0°C to 125°C
4.75
5.0
5.25
3
100
1
50
25°C
VI=8V to 12V
VI=8V to 18V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
0°C to 125°C
62
25°C
78
UNIT
V
mV
dB
15
100
5
50
mV
f = 1kHz
0°C to 125°C
0.017
W
IO= 5mA
0°C to 125°C
-1.1
mV/°C
25°C
40
µV
25°C
2.0
25°C
4.2
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
MIN
VI= 7V to 25V
1.3
0°C to 125°C
IO=5mA to 1A
V
8
0.5
mA
mA
Short-Circuit Output Current
25°C
750
mA
Peak Output Current
25°C
2.2
A
GM7806: VI= 11V, IO= 500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
GM7800 SERIES
Ripple Rejection
4
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=8V to 21V, P
VI=8V to 25V
VI=9V to 13V
VI=9V to 19V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
TYP
MAX
25°C
5.75
6
6.25
0°C to 125°C
5.7
6
6.3
5
120
1.5
60
25°C
0°C to 125°C
25°C
59
75
UNIT
V
mV
dB
14
120
4
60
mV
f = 1kHz
0°C to 125°C
0.019
W
IO= 5mA
0°C to 125°C
-0.8
mV/°C
25°C
45
µV
25°C
2.0
25°C
4.3
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
15W
MIN
VI= 8V to 25V
IO=5mA to 1A
V
8
1.3
0°C to 125°C
0.5
mA
mA
Short-Circuit Output Current
25°C
550
mA
Peak Output Current
25°C
2.2
A
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7808: VI=14V, IO=500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=10.5V to 23V, P
VI=10.5V to 25V
15W
TYP
MAX
25°C
7.7
8
8.3
0°C to 125°C
7.6
8
8.4
6
160
2
80
25°C
VI=11V to 17V
VI=11.5V to 21.5V, f = 120Hz
IO=5mA to 1.5A
0°C to 125°C
55
25°C
IO=250mA to 750mA
72
UNIT
V
mV
dB
12
160
4
80
mV
f = 1kHz
0°C to 125°C
0.016
W
IO= 5mA
0°C to 125°C
-0.8
mV/°C
25°C
52
µV
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
MIN
VI= 10.5V to 25V
25°C
2.0
25°C
4.3
1.0
0°C to 125°C
IO=5mA to 1A
V
8
0.5
mA
mA
Short-Circuit Output Current
25°C
450
mA
Peak Output Current
25°C
2.2
A
GM7885: VI=15V, IO=500mA, (unless otherwise noted)
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=11.5V to 23.5V, P
VI=10.5V to 25V
VI=11V to 17V
VI=11.5V to 21.5V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
TYP
MAX
25°C
8.15
8.5
8.85
0°C to 125°C
8.1
8.5
8.9
6
170
2
85
25°C
0°C to 125°C
25°C
54
70
UNIT
V
mV
dB
12
170
4
85
mV
f = 1kHz
0°C to 125°C
0.016
W
IO= 5mA
0°C to 125°C
-0.8
mV/°C
25°C
55
µV
25°C
2.0
V
25°C
4.3
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
15W
MIN
VI= 10.5V to 25V
IO=5mA to 1A
8
1.0
0°C to 125°C
0.5
mA
mA
Short-Circuit Output Current
25°C
450
mA
Peak Output Current
25°C
2.2
A
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
GM7800 SERIES
CHARACTERISTICS
5
ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7809: VI=16V, IO=500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=11.5V to 24V, P
VI=11.5V to 27V
15W
MIN
TYP
MAX
25°C
8.65
9
9.35
0°C to 125°C
8.55
9
9.45
7
180
2
90
25°C
VI=13V to 19V
VI=12V to 22V, f = 120Hz
0°C to 125°C
IO=5mA to 1.5A
25°C
IO=250mA to 750mA
70
V
mV
dB
12
180
4
90
mV
f = 1kHz
0°C to 125°C
0.018
W
IO= 5mA
0°C to 125°C
-1.0
mV/°C
25°C
60
µV
25°C
2.0
V
25°C
4.3
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
55
UNIT
VI= 11.5V to 27V
0°C to 125°C
IO=5mA to 1A
8
1.0
0.5
mA
mA
Short-Circuit Output Current
25°C
400
mA
Peak Output Current
25°C
2.2
A
GM7810: VI= 17V, IO= 500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
GM7800 SERIES
Output Regulation
6
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=12.5V to 25V, P
VI=12.5V to 28V
VI=14V to 20V
VI=13V to 23V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
TYP
MAX
25°C
9.6
10
10.4
0°C to 125°C
9.5
10
10.5
7
200
2
100
25°C
0°C to 125°C
25°C
55
71
UNIT
V
mV
dB
12
200
4
100
mV
f = 1kHz
0°C to 125°C
0.018
W
IO= 5mA
0°C to 125°C
-1.0
mV/°C
25°C
70
µV
25°C
2.0
V
25°C
4.3
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
15W
MIN
VI= 12.5V to 28V
IO=5mA to 1A
8
1.0
0°C to 125°C
0.5
mA
mA
Short-Circuit Output Current
25°C
400
mA
Peak Output Current
25°C
2.2
A
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7812: VI=19V, IO=500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=14.5V to 27V, P
VI=14.5V to 30V
15W
TYP
MAX
25°C
11.5
12
12.5
0°C to 125°C
11.4
12
12.6
10
240
3
120
25°C
VI=16V to 22V
VI=15V to 25V, f = 120Hz
IO=5mA to 1.5A
0°C to 125°C
55
25°C
IO=250mA to 750mA
71
UNIT
V
mV
dB
12
240
4
120
mV
f = 1kHz
0°C to 125°C
0.018
W
IO= 5mA
0°C to 125°C
-1.0
mV/°C
25°C
75
µV
25°C
2.0
V
25°C
4.3
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
MIN
VI= 14.5V to 30V
0°C to 125°C
IO=5mA to 1A
8
1.0
0.5
mA
mA
Short-Circuit Output Current
25°C
350
mA
Peak Output Current
25°C
2.2
A
GM7815: VI=23V, IO=500mA, (unless otherwise noted)
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=17.5V to 30V, P
VI=17.5V to 30V
VI=20V to 26V
VI=18.5V to 28.5V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
TYP
MAX
25°C
14.4
15
15.6
0°C to 125°C
14.25
15
15.75
12
300
3
150
25°C
0°C to 125°C
25°C
54
70
UNIT
V
mV
dB
12
300
4
150
mV
f = 1kHz
0°C to 125°C
0.019
W
IO= 5mA
0°C to 125°C
-1.0
mV/°C
25°C
90
µV
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
15W
MIN
VI= 17.5V to 30V
IO=5mA to 1A
25°C
2.0
25°C
4.3
V
8
1.0
0°C to 125°C
0.5
mA
mA
Short-Circuit Output Current
25°C
230
mA
Peak Output Current
25°C
2.1
A
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
GM7800 SERIES
CHARACTERISTICS
7
ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7818: VI=27V, IO=500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=21V to 33V, P
VI=21V to 33V
15W
TYP
MAX
17.3
18
18.7
0°C to 125°C
17.1
18
18.9
15
360
5
180
25°C
VI=24V to 30V
VI=22V to 32V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
0°C to 125°C
53
25°C
69
UNIT
V
mV
dB
12
360
4
180
mV
f = 1kHz
0°C to 125°C
0.022
W
IO= 5mA
0°C to 125°C
-1.0
mV/°C
25°C
110
µV
25°C
2.0
V
25°C
4.5
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
MIN
25°C
VI= 21V to 33V
0°C to 125°C
IO=5mA to 1A
8
1.0
0.5
mA
mA
Short-Circuit Output Current
25°C
200
mA
Peak Output Current
25°C
2.1
A
GM7820: VI=29V, IO=500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
GM7800 SERIES
Output Regulation
8
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=23V to 35V, P
VI=23V to 35V
VI=26V to 32V
VI=24V to 34V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
TYP
MAX
25°C
19.2
20
20.8
0°C to 125°C
19
20
21
18
400
7
200
25°C
0°C to 125°C
25°C
51
66
UNIT
V
mV
dB
15
400
7
200
mV
f = 1kHz
0°C to 125°C
0.027
W
IO= 5mA
0°C to 125°C
-1.3
mV/°C
25°C
150
µV
25°C
2.0
25°C
4.5
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
15W
MIN
VI= 23V to 35V
IO=5mA to 1A
V
8
1.0
0°C to 125°C
0.5
mA
mA
Short-Circuit Output Current
25°C
180
mA
Peak Output Current
25°C
2.1
A
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
ELECTRICAL CHARACTERISTICS at specified Junction Temperature
GM7824: VI=33V, IO=500mA, (unless otherwise noted)
CHARACTERISTICS
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=27V to 38V, P
VI=27V to 38V
15W
TYP
MAX
25°C
23
24
25
0°C to 125°C
22.8
24
25.2
18
480
6
240
25°C
VI=30V to 36V
VI=28V to 32V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
0°C to 125°C
50
25°C
66
UNIT
V
mV
dB
12
480
4
240
mV
f = 1kHz
0°C to 125°C
0.028
W
IO= 5mA
0°C to 125°C
-1.5
mV/°C
25°C
170
µV
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
MIN
VI= 27V to 38V
25°C
2.0
25°C
4.6
1.0
0°C to 125°C
IO=5mA to 1A
V
8
0.5
mA
mA
Short-Circuit Output Current
25°C
150
mA
Peak Output Current
25°C
2.1
A
GM7827: VI=36V, IO=500mA, (unless otherwise noted)
Output Voltage **
Input Regulation
Ripple Rejection
Output Regulation
Output Resistance
Temperature Coefficient
Output Voltage
Output Noise Voltage
Dropout Voltage
TEST CONDITIONS *
IO= 5mA to 1A
VI=30V to 40V, P
VI=30V to 40V
VI=33V to 39V
VI=30V to 40V, f = 120Hz
IO=5mA to 1.5A
IO=250mA to 750mA
Short-Circuit Output Current
Peak Output Current
TYP
MAX
25°C
25.9
27
28.1
0°C to 125°C
25.7
27
28.3
25
540
10
270
25°C
0°C to 125°C
25°C
50
64
UNIT
V
mV
dB
20
540
9
270
mV
f = 1kHz
0°C to 125°C
0.030
W
IO= 5mA
0°C to 125°C
-1.6
mV/°C
25°C
200
µV
25°C
2.0
25°C
4.8
f = 10Hz to 100kHz
IO= 1A
Bias Current
Bias Current Change
15W
MIN
VI= 30V to 40V
IO=5mA to 1A
V
8
1.0
0°C to 125°C
0.5
mA
mA
25°C
120
mA
25°C
2.1
A
*Pulse testing tehniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account.
** The specification applies only for DC power dissipation permitted by absolute maximum ratings
GM7800 SERIES
CHARACTERISTICS
9
TO-263-2 PACKAGE OUTLINE DIMENSIONS
9.90 ± 0.20
4.50 ± 0.20
+0.1
1.30 -0.05
15°
0.40
1.20
Pad Layout
3°
1.50 DP0.20
0.63
17.02
0.33
8.38
9.20 ± 0.20
15.3 ± 0.20
1.4 ± 0.20
0.10 ± 0.01
3°
3°
R0.30
2.40 ± 0.20
2.00 ± 0.10
0.42
10.66
4.90 ± 0.20
1.27 ± 0.10
2.54 TYP
(2.54 ± 0.20)
0.24
6.096
2.54 ± 0.10
0.75
R0.30
0.90 ± 0.10
0.12
3.05
+0.1
0.50 -0.05
0.04
1.016
10.0 ± 0.20
7.0
4.0
0.40
3°
(
0.90
3°
R 0.3
R 0.45
7.2
9.20 ± 0.20
10.00 ± 0.20
4.90 ± 0.20
Unit: mm
TO-220 PACKAGE OUTLINE DIMENSIONS
4.50 ± 0.20
9.90 ± 0.20
3.60 ± 0.20
8.0
8.70
2.80 ± 0.10
7.0
+0.1
1.30 -0.05
9.20 ± 0.20
4.60
8.40
1.46
1.00
18.95 MAX
3.70 ± 0.20
15.90 ± 0.20
1.50 DP0.20
1.27 ± 0.10
2.54 TYP
(2.54 ± 0.20)
3°
3°
0.9
7.0
3°
45°
3.00
10.08 ± 0.30
13.08 ± 0.20
GM7800 SERIES
1.30 ± 0.10
1.70
0.80 ± 0.10
1.52 ± 0.10
3°
3-R0.2
+0.1
0.50 -0.05
2.40 ± 0.20
3°
2 - R 0.3
Unit: mm
10
10.00 ± 0.20
Inches
)
mm
TO-252 PACKAGE OUTLINE DIMENSIONS
6.50 ± 0.05
2.30 ± 0.05
5.340 ± 0.05
0.508 ± 0.0127
29° ± 0.5°
REF 0.6
Pad Layout
7°
0.244
6.20
1.0 ± 0.05
6.10 ± 0.05
0.118
3.0
0.070 ± 0.05
7.20 ± 0.05
9.900
7°
0.75 ± 0.10
7°
0.75 ± 0.10
0.243
6.172
0.228
5.80
2.70 ± 0.10
0.89 ± 0.05
R 0.25 ± 0.13
1.525 ± 0.10
0.81 ± 0.038
0.101
2.58
0.063
1.6
(
R0.15 max
Inches
)
mm
Unit: mm
2°
ORDERING NUMBER
Gamma Micro.
Shipping
R: Tape & Reel
T: Tube
Circuit Type
Output Voltage
05: 5.0V, 06: 6.0V
08: 8.0V, 8.5:8.5V
09: 9.0V, 10:10V
12: 12V, 15: 15V
18: 18V, 20: 20V
24: 24V, 27: 27V
Package
TA3: TO-263
50 Units/ Tube
800 Units/ Tape & Reel
TB3: TO-220
80 Units/ Tube
TC3: TO-252
80 Units/ Tube
2,500 Units/ Tape & Reel
GM7800 SERIES
GM 78 00 TA3 T
11
12
GM7800 SERIES
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