GS15T48-5
15W DC-DC CONVERTER
December 1993
1/3
Type
V
in
V
out
I
out
GS15T48-5
40 to 60 V
5 V
3 A
DESCRIPTION
The GS15T48-5 is a 15W DC-DC converter de-
signed to provide a 5V/3A isolated output from a
48V input in a metal package.
High frequency forward switching configuration en-
sures high efficiency (80% typ.); input filter mini-
mizes reflected input current and continuous
short-circuit protection is provided.
The integral heatsinkallows a large power handling
capability and it features also an effective shielding
to minimize EMI.
ELECTRICAL CHARACTERISTICS (T
amb
= 25
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo = 5V
Io = 0 to 3A
40
48
60
V
li
Input Current
Vi = 48V
Io = 3A
400
mA
lir
Input Reflected
Current
Vi = 48V
Vo = 5V Io = 3A
50
80
mApp
liq
Input Quiescent
Current
Vi = 48V
Vo = 5V Io = 0A
20
mA
Vo
Output Voltage
Vi = 40 to 60V Io = 0 to 3A
4.75
5
5.25
V
Vo
Line Regulation
Vi = 40 to 60V Io = 3A
10
20
mV
Vo
Load Regulation
Vi = 48V
Io = 0 to 3A
10
20
mV
Vor
Output Ripple Voltage
Vi = 48V
Io = 3A
20
50
mVpp
Io
Output Current
Vi = 40 to 60V
0
3
A
Iosc
Output Short-circuit
Current
Vi = 48V
5
6
A
Vis
Isolation Voltage
750
Vdc
fs
Switching Frequency
Vi = 40 to 60V Io = 0 to 3A
250
kHz
Efficiency
Vi = 48V
Io = 3A
80
%
Rthc
Thermal Resistance
Case to Ambient
Tamb = 25
C Vi = 48V Io = 3A
8
C/W
Tcmax
Maximum Case
Temperature
+85
C
Tstg
Storage Temperature
Range
-40
+105
C
2/3
Package G. Dimensions in mm (inches)
CONNECTION DIAGRAM AND MECHANICAL DATA
PIN DESCRIPTION
Pin
Function
Description
1
+ Input
DC input voltage (48V nom.)
2
- Input
Return for input voltage
3
Case
Case connection
4
- Output
Negative isolated output voltage
5
+ Output
Positive isolated output voltage
GS15T48-5
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
3/3
GS15T48-5
PDF 
ZIP