GS120/175T48 Family
120W/175W DC-DC CONVERTERS FAMILY
Type V
GS120T48-3.3
GS120T48-3.3E
GS175T48-5
GS175T48-5E
GS175T48-12
GS175T48-12E
GS175T48-15
GS175T48-15E
i
38 to 60 V 3,35 V 35 A
38 to 60 V 5,075 V 35 A
38 to 60 V 12,0 V 15 A
38 to 60 V 15,0 V 12 A
V
o
I
FEATURES
UL, CSA, TUVapproved
High outputpower (up to 175W)
High efficiency(82% typ. on GS175T48-5module)
Paralleloperation with equal current sharing
Synchronizationpin
Remote ON/OFF
Remote load voltagesense compensation
Output short-circuitprotection
Undervoltagelock-out
Minimal overshootduring load transients
Output overvoltageprotection
500V
inputto output isolationvoltage
DC
Internal input and output filtering
Softstart
PCB or chassismountable
Optional additional finned heatsink
Mechanical dimensions 125 • 66,5 • 19 (4,92 •
2,62 • 0,75)
o
DESCRIPTION
The GS120/175T48familyincludes120/175WDCDC convertersused to generate fixed isolatedoutput voltages with an outputcurrent 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).
OPTION
Type
Ordering Number
HS01
June 1994 1/10
Description Thermal Resistance
Additional finned heatsink
(See fig. 7)
2.8°C/W
Dimensions
L • W• H mm (inches)
125 • 66.5 • 15
( 4.92 • 2.62 • 0.59)
GS120/175T48 FAMILY
GS120T48-3.3ELECTRICAL CHARACTERISTICS (T
Symbol Parameter Test Conditions Min Typ Max Unit
Input Voltage Vo= 3.35V Io= 0 to 35A
V
i
V
l
ipk
V
l
ien
V
V
V
V
V
V
V
∆V
δV
I
I
osc
t
V
R
T
cop
T
Input Undervoltage Lockout Vo= 3.35V
iuv
AverageInput Current Vi= 0 to 60V
l
i
Inrush Transient Peak Current Vi= 60V
Reflected Input Current Vi= 38 to 60V
l
ir
Enable Input Voltage Vi= 38 to 60V Io= 0 to 35A
ien
Enable Input Current Vi= 38 to 60V Io= 0 to 35A
Inhibit Voltage Vi= 38 to 60V Io= 0 to 35A
iinh
Input Power Vi= 38 to 60V Io= 0A (No Load)
P
i
Total Output Voltage Regulation Vi= 38 to 60V Io= 0 to 35A
o
Short-term Output
ost
VoltageRegulation
Total Static Tolerance Vi= 38 to 60V Io= 0 to 35A
ots
Output Overvoltage
ol
Limit Initiation
Output Ripple Voltage Vi= 38 to 60V Io= 35A
or
Output Noise Voltage Vi= 38 to 60V Io= 35A
on
Total RemoteSense
o
Compensation
Peak Load Transient Response Vi= 48V δIo=5A
o
Output Current Vi= 38 to 60V Vo= 3.35V
I
o
OvercurrentLimit Initiation Vi= 48V
ol
Shortcircuit Output Current Vi= 48V
LoadTransient Settling Time Vi= 48V δIo=5A
t
s
Turn-onTime Vi= 48V Io= 35A
on
IsolationVoltage
is
Switching Frequency Vi= 38 to 60V Io= 0 to 35A
f
s
η Efficiency V
Thermal Resistance Case toAmbient
th
Operating Case
Temperature Range
Storage Temperature Range
stg
(Operating Conditions)
Io= 0 to 35A
Io= 35A
Io= 35A
BW = 5Hz to 20MHz
Io= 35A (See fig. 2)
V
=0V
ien
Vien = open
Vi= 38 to 60V Io= 0 to 35A
Vi= 38 to 60V Io= 0 to 35A
Vi= 38 to 60V
slope = 0.1A/µs
Vo= 0.2 to 0.5V
slope = 0.1A/µs
V
= from high to low
ien
V
= 0 to 60V Io= 35A
i
V
= low
ien
= 38 to 60V Io= 35A
i
=25°Cunless otherwisespecified)
amb
38 48 60 V
32 34 36 V
0 1.2 V
818V
1.5 2 W
3.25 3.35 3.45 V
3.30 3.35 3.40 V
3.28 3.35 3.42 V
4 4.5 5.2 V
20 30 mVpp
50 80 mVpp
035A
36 39 A
310
500 V
160 175 200 kHz
76 77 %
5.2 °C/W
– 10 +85 °C
– 40 +105 °C
4.2 A
0.2 A
20 mApp
-1 mA
0.6 V
60 mVp
51 A
200 µs
5ms
DC
DC
2
DC
s
2/10
GS120/175T48 FAMILY
GS175T48-5ELECTRICAL CHARACTERISTICS (T
Symbol
Input Voltage Vo= 5.075V Io= 0 to 35A
V
i
V
l
ipk
V
l
ien
V
V
V
V
V
V
V
∆V
δV
I
I
osc
t
V
R
T
cop
T
Input Undervoltage Lockout Vo= 5.075V
iuv
AverageInput Current Vi= 0 to 60V Io= 35A
l
i
Inrush Transient Peak Current Vi= 60V
Reflected Input Current Vi= 38 to 60V
l
ir
Enable Input Voltage Vi= 38 to 60V Io= 0 to 35A
ien
Enable Input Current Vi= 38 to 60V Io= 0 to 35A
Inhibit Voltage Vi= 38 to 60V Io= 0 to 35A
iinh
Input Power Vi= 38 to 60V Io= 0A (No Load)
P
i
Total Output Voltage Regulation Vi= 38 to 60V Io= 0 to 35A
o
Short-term Output
ost
VoltageRegulation
Total Static Tolerance Vi= 38 to 60V Io= 0 to 35A
ots
Output Overvoltage
ol
Limit Initiation
Output Ripple Voltage Vi= 38 to 60V Io= 35A
or
Output Noise Voltage Vi= 38 to 60V Io= 35A
on
Total RemoteSense Compensation Vi= 38 to 60V
o
Peak Load Transient Response Vi= 48V δIo=5A
o
Output Current Vi= 38 to 60V Vo= 5.075V
I
o
OvercurrentLimit Initiation Vi= 48V
ol
Shortcircuit Output Current Vi= 48V
LoadTransient Settling Time Vi= 48V δIo=5A
t
s
Turn-onTime Vi= 48V Io= 35A
on
IsolationVoltage
is
Switching Frequency Vi= 38 to 60V Io= 0 to 35A
f
s
η Efficiency V
Thermal Resistance Case toAmbient
th
Operating Case
Temperature Range
Storage Temperature Range
stg
Parameter Test Conditions Min Typ Max Unit
(Operating Conditions)
Io= 0 to 35A
Io= 35A
BW = 5Hz to 20MHz
Io= 35A (See fig. 2)
V
=0V
ien
Vien = open
Vi= 38 to 60V Io= 0 to 35A
Vi= 38 to 60V Io= 0 to 35A
slope = 0.1A/µs
Vo= 0.2 to 0.5V
slope = 0.1A/µs
V
= from high to low
ien
V
= 0 to 60V Io= 35A
i
V
= low
ien
= 38 to 60V Io= 35A
i
=25°C unlessotherwise specified)
amb
38 48 60 V
32 34 36 V
0 1.2 V
818V
4.94 5.075 5.21 V
5.002 5.075 5.148 V
4.97 5.075 5.18 V
6 6.3 7 V
035A
36 39 A
310
500 V
160 175 200 kHz
81 82 %
– 10 +85 °C
– 40 +105 °C
DC
DC
6.1 A
2
0.2 A
30 mApp
-1 mA
1.5 2 W
20 30 mVpp
50 80 mVpp
0.6 V
100 mVp
51 A
250 µs
5ms
5.2 °C/W
s
DC
3/10