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Электронный компонент: 175T48

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GS120/175T48 Family
120W/175W DC-DC CONVERTERS FAMILY
June 1994
1/10
Type
V
i
V
o
I
o
GS120T48-3.3
GS120T48-3.3E
38 to 60 V
3,35 V
35 A
GS175T48-5
GS175T48-5E
38 to 60 V
5,075 V
35 A
GS175T48-12
GS175T48-12E
38 to 60 V
12,0 V
15 A
GS175T48-15
GS175T48-15E
38 to 60 V
15,0 V
12 A
FEATURES
UL, CSA, TUV approved
High output power (up to 175W)
High efficiency (82% typ. on GS175T48-5 mod-
ule)
Parallel operation with equal current sharing
Synchronization pin
Remote ON/OFF
Remote load voltage sense compensation
Output short-circuit protection
Undervoltage lock-out
Minimal overshoot during load transients
Output overvoltage protection
500V
DC
input to output isolation voltage
Internal input and output filtering
Softstart
PCB or chassis mountable
Optional additional finned heatsink
Mechanical dimensions 125
66,5
19 (4,92
2,62
0,75)
DESCRIPTION
The GS120/175T48family includes 120/175W DC-
DC converters used to generate fixed isolated out-
put voltages with an output current up to 35A from
a wide range input voltage (38 to 60V).
The suffix E Identifies the metric threading on the
planar heatsink (see fig. 1).
Type
Ordering Number
Description
Thermal Resistance
Dimensions
L
W
H mm (inches)
HS01
Additional finned heatsink
(See fig. 7)
2.8
C/W
125
66.5
15
( 4.92
2.62
0.59)
OPTION
GS120T48-3.3 ELECTRICAL CHARACTERISTICS (T
amb
= 25
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo = 3.35V
Io = 0 to 35A
(Operating Conditions)
38
48
60
VDC
Viuv
Input Undervoltage Lockout
Vo = 3.35V
Io = 0 to 35A
32
34
36
VDC
li
Average Input Current
Vi = 0 to 60V
Io = 35A
4.2
A
lipk
Inrush Transient Peak Current
Vi = 60V
Io = 35A
0.2
A
2
s
lir
Reflected Input Current
Vi = 38 to 60V
BW = 5Hz to 20MHz
Io = 35A (See fig. 2)
20
mApp
Vien
Enable Input Voltage
Vi = 38 to 60V Io = 0 to 35A
0
1.2
V
lien
Enable Input Current
Vi = 38 to 60V Io = 0 to 35A
Vien = 0V
-1
mA
Viinh
Inhibit Voltage
Vi = 38 to 60V Io = 0 to 35A
Vien = open
8
18
V
Pi
Input Power
Vi = 38 to 60V Io = 0A (No Load)
1.5
2
W
Vo
Total Output Voltage Regulation
Vi = 38 to 60V Io = 0 to 35A
3.25
3.35
3.45
V
Vost
Short-term Output
Voltage Regulation
Vi = 38 to 60V Io = 0 to 35A
3.30
3.35
3.40
V
Vots
Total Static Tolerance
Vi = 38 to 60V Io = 0 to 35A
3.28
3.35
3.42
V
Vol
Output Overvoltage
Limit Initiation
Vi = 38 to 60V Io = 0 to 35A
4
4.5
5.2
VDC
Vor
Output Ripple Voltage
Vi = 38 to 60V Io = 35A
20
30
mVpp
Von
Output Noise Voltage
Vi = 38 to 60V Io = 35A
50
80
mVpp
Vo
Total Remote Sense
Compensation
Vi = 38 to 60V
0.6
V
Vo
Peak Load Transient Response
Vi = 48V
Io = 5A
slope = 0.1A/
s
60
mVp
Io
Output Current
Vi = 38 to 60V Vo = 3.35V
0
35
A
Iol
Overcurrent Limit Initiation
Vi = 48V
36
39
A
Iosc
Shortcircuit Output Current
Vi = 48V
Vo = 0.2 to 0.5V
51
A
ts
Load Transient Settling Time
Vi = 48V
Io = 5A
slope = 0.1A/
s
200
s
ton
Turn-on Time
Vi = 48V
Io = 35A
Vien = from high to low
5
ms
Vi = 0 to 60V
Io = 35A
Vien = low
3
10
Vis
Isolation Voltage
500
V
fs
Switching Frequency
Vi = 38 to 60V Io = 0 to 35A
160
175
200
kHz
Efficiency
Vi = 38 to 60V Io = 35A
76
77
%
Rth
Thermal Resistance
Case to Ambient
5.2
C/W
Tcop
Operating Case
Temperature Range
10
+85
C
Tstg
Storage Temperature Range
40
+105
C
2/10
GS120/175T48 FAMILY
3/10
GS175T48-5 ELECTRICAL CHARACTERISTICS (T
amb
= 25
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo = 5.075V
Io = 0 to 35A
(Operating Conditions)
38
48
60
VDC
Viuv
Input Undervoltage Lockout
Vo = 5.075V
Io = 0 to 35A
32
34
36
VDC
li
Average Input Current
Vi = 0 to 60V
Io = 35A
6.1
A
lipk
Inrush Transient Peak Current
Vi = 60V
Io = 35A
0.2
A
2
s
lir
Reflected Input Current
Vi = 38 to 60V
BW = 5Hz to 20MHz
Io = 35A (See fig. 2)
30
mApp
Vien
Enable Input Voltage
Vi = 38 to 60V Io = 0 to 35A
0
1.2
V
lien
Enable Input Current
Vi = 38 to 60V Io = 0 to 35A
Vien = 0V
-1
mA
Viinh
Inhibit Voltage
Vi = 38 to 60V Io = 0 to 35A
Vien = open
8
18
V
Pi
Input Power
Vi = 38 to 60V Io = 0A (No Load)
1.5
2
W
Vo
Total Output Voltage Regulation
Vi = 38 to 60V Io = 0 to 35A
4.94
5.075
5.21
V
Vost
Short-term Output
Voltage Regulation
Vi = 38 to 60V Io = 0 to 35A
5.002
5.075
5.148
V
Vots
Total Static Tolerance
Vi = 38 to 60V Io = 0 to 35A
4.97
5.075
5.18
V
Vol
Output Overvoltage
Limit Initiation
Vi = 38 to 60V Io = 0 to 35A
6
6.3
7
VDC
Vor
Output Ripple Voltage
Vi = 38 to 60V Io = 35A
20
30
mVpp
Von
Output Noise Voltage
Vi = 38 to 60V Io = 35A
50
80
mVpp
Vo
Total Remote Sense Compensation Vi = 38 to 60V
0.6
V
Vo
Peak Load Transient Response
Vi = 48V
Io = 5A
slope = 0.1A/
s
100
mVp
Io
Output Current
Vi = 38 to 60V Vo = 5.075V
0
35
A
Iol
Overcurrent Limit Initiation
Vi = 48V
36
39
A
Iosc
Shortcircuit Output Current
Vi = 48V
Vo = 0.2 to 0.5V
51
A
ts
Load Transient Settling Time
Vi = 48V
Io = 5A
slope = 0.1A/
s
250
s
ton
Turn-on Time
Vi = 48V
Io = 35A
Vien = from high to low
5
ms
Vi = 0 to 60V
Io = 35A
Vien = low
3
10
Vis
Isolation Voltage
500
V
fs
Switching Frequency
Vi = 38 to 60V Io = 0 to 35A
160
175
200
kHz
Efficiency
Vi = 38 to 60V Io = 35A
81
82
%
Rth
Thermal Resistance
Case to Ambient
5.2
C/W
Tcop
Operating Case
Temperature Range
10
+85
C
Tstg
Storage Temperature Range
40
+105
C
GS120/175T48 FAMILY
GS175T48-12 ELECTRICAL CHARACTERISTICS (T
amb
= 25
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo = 12V
Io = 0 to 15A
(Operating Conditions)
38
48
60
VDC
Viuv
Input Undervoltage Lockout
Vo = 12V
Io = 0 to 15A
32
34
36
VDC
li
Average Input Current
Vi = 0 to 60V
Io = 15A
5.5
A
lipk
Inrush Transient Peak Current
Vi = 60V
Io = 15A
0.2
A
2
s
lir
Reflected Input Current
Vi = 38 to 60V
BW = 5Hz to 20MHz
Io = 15A (See fig. 2)
20
mApp
Vien
Enable Input Voltage
Vi = 38 to 60V Io = 0 to 15A
0
1.2
V
lien
Enable Input Current
Vi = 38 to 60V Io = 0 to 15A
Vien = 0V
-1
mA
Viinh
Inhibit Voltage
Vi = 38 to 60V Io = 0 to 15A
Vien = open
8
18
V
Pi
Input Power
Vi = 38 to 60V Io = 0A (No Load)
1.5
2
W
Vo
Total Output Voltage Regulation
Vi = 38 to 60V Io = 0 to 15A
11.4
12.0
12.6
V
Vost
Short-term Output
Voltage Regulation
Vi = 38 to 60V Io = 0 to 15A
11.76
12.0
12.24
V
Vots
Total Static Tolerance
Vi = 38 to 60V Io = 0 to 15A
11.64
12.0
12.36
V
Vol
Output Overvoltage
Limit Initiation
Vi = 38 to 60V Io = 0 to 15A
13.2
14
15
VDC
Vor
Output Ripple Voltage
Vi = 38 to 60V Io = 15A
35
70
mVpp
Von
Output Noise Voltage
Vi = 38 to 60V Io = 15A
60
120
mVpp
Vo
Total Remote Sense
Compensation
Vi = 38 to 60V
0.6
V
Vo
Peak Load Transient Response
Vi = 48V
Io = 3A
slope = 0.2A/
s
200
mVp
Io
Output Current
Vi = 38 to 60V Vo = 12V
0
15
A
Iol
Overcurrent Limit Initiation
Vi = 48V
16
19
A
Iosc
Shortcircuit Output Current
Vi = 48V
25
A
ts
Load Transient Setting Time
Vi = 48V
Io = 3A
slope = 0.2A/
s
300
s
ton
Turn-on Time
Vi = 48V
Io = 15A
Vien = from high to low
5
ms
Vi = 0 to 60V
Io = 15A
Vien = low
3
10
Vis
Isolation Voltage
500
V
fs
Switching Frequency
Vi = 38 to 60V Io = 0 to 15A
160
175
200
kHz
Efficiency
Vi = 38 to 60V Io = 15A
84
86
%
Rth
Thermal Resistance
Case to Ambient
5.2
C/W
Tcop
Operating Case
Temperature Range
10
+85
C
Tstg
Storage Temperature Range
40
+105
C
4/10
GS120/175T48 FAMILY
5/10
GS175T48-15 ELECTRICAL CHARACTERISTICS (T
amb
= 25
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo = 15V
Io = 0 to 12A
(Operating Conditions)
38
48
60
VDC
Viuv
Input Undervoltage Lockout
Vo = 15V
Io = 0 to 12A
32
34
36
VDC
li
Average Input Current
Vi = 0 to 60V
Io = 12A
5.5
A
lipk
Inrush Transient Peak Current
Vi = 60V
Io = 12A
0.2
A
2
s
lir
Reflected Input Current
Vi = 38 to 60V Io = 12A
20
mApp
Vien
Enable Input Voltage
Vi = 38 to 60V Io = 0 to 12A
0
1.2
V
lien
Enable Input Current
Vi = 38 to 60V Io = 0 to 12A
Vien = 0V
-1
mA
Viinh
Inhibit Voltage
Vi = 38 to 60V Io = 0 to 12A
Vien = open
8
18
V
Pi
Input Power
Vi = 38 to 60V Io = 0A (No Load)
1.5
2
W
Vo
Total Output Voltage Regulation
Vi = 38 to 60V Io = 0 to 12A
14.25
15.0
15.75
V
Vost
Short-term Output
Voltage Regulation
Vi = 38 to 60V Io = 0 to 12A
14.7
15.0
15.3
V
Vots
Total Static Tolerance
Vi = 38 to 60V Io = 0 to 12A
14.55
15.0
15.45
V
Vol
Output Overvoltage
Limit Initiation
Vi = 38 to 60V Io = 0 to 12A
16.5
17
18
VDC
Vor
Output Ripple Voltage
Vi = 38 to 60V Io = 12A
45
90
mVpp
Von
Output Noise Voltage
Vi = 38 to 60V Io = 12A
75
150
mVpp
Vo
Total Remote Sense
Compensation
Vi = 38 to 60V
0.6
V
Vo
Peak Load Transient Response
Vi = 48V
Io = 3A
slope = 0.2A/
s
200
mVp
Io
Output Current
Vi = 38 to 60V Vo = 15V
0
12
A
Iol
Overcurrent Limit Initiation
Vi = 48V
13
16
A
Iosc
Shortcircuit Output Current
Vi = 48V
Vo = 0.2 to 0.5V
21
A
ts
Load Transient Settling Time
Vi = 48V
Io = 3A
slope = 0.2A/
s
300
s
ton
Turn-on Time
Vi = 48V
Io = 12A
Vien = from high to low
5
ms
Vi = 0 to 60V
Io = 12A
Vien = low
3
10
Vis
Isolation Voltage
500
V
fs
Switching Frequency
Vi = 38 to 60V Io = 0 to 12A
160
175
200
kHz
Efficiency
Vi = 38 to 60V Io = 12A
86
88
%
Rth
Thermal Resistance
Case to Ambient
5.2
C/W
Tcop
Operating Case
Temperature Range
10
+85
C
Tstg
Storage Temperature Range
40
+105
C
GS120/175T48 FAMILY