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GS120 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer GS120
Beschreibung 120W/175W DC-DC CONVERTERS FAMILY
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 10 Seiten
GS120 Datasheet, Funktion
GS120/175T48 Family
120W/175W DC-DC CONVERTERS FAMILY
Type
GS120T48-3.3
GS120T48-3.3E
GS175T48-5
GS175T48-5E
GS175T48-12
GS175T48-12E
GS175T48-15
GS175T48-15E
Vi
38 to 60 V
38 to 60 V
38 to 60 V
38 to 60 V
Vo
3,35 V
5,075 V
12,0 V
15,0 V
Io
35 A
35 A
15 A
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
500VDC 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).
OPTION
Type
Ordering Number
HS01
Description
Additional finned heatsink
(See fig. 7)
Thermal Resistance
2.8°C/W
Dimensions
L W H mm (inches)
125 66.5 15
( 4.92 2.62 0.59)
June 1994
1/10






GS120 Datasheet, Funktion
GS120/175T48 FAMILY
CONNECTION DIAGRAM AND MECHANICAL DATA
Figure 1.
Package T. Dimensions in mm (inches).
PIN DESCRIPTION
Pin Function
1 - IN
2 + IN
3
4
5
6
7
8
9,10
11,12
ON/OF F
CASE
SYNC
PARALLEL
+ SENSE
- SENSE
- OUT
+ OUT
Description
Negative input voltage.
Positive input voltage. Unregulated input voltage (typically 48V) must be applied between
pin 1-2.
The converter is ON (Enable) when the voltage applied to this pin with reference to pin 1 is
lower than 1.2V (see Vien). The converter is OFF (Inhibit) for a control voltage in the range
of 8 to 18V. When the pin is unconnected the converter is OFF (Inhibit).
Case connection pin.
Synchronization pin. See figures 3, 4, 5, 6. Open when not used.
Parallel output. See figures 3, 4, 5, 6. Open when not used.
Senses the remote load high side. To be connected to pin 11,12 when remote sense is not
used.
Senses the remote load return. To be connected to pin 9,10 when remote sense is not
used. In parallel configuration, take care to connect all -S pins together (see figures 3,4,5,6).
Fixed output voltage return.
Fixed output voltage.
6/10

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