GS20AC-12
20 WATT AC-DC CONVERTER
February 1994
1/3
Type
V
in
V
out
I
out
GS20AC-12
230 V
RMS
12 V
1,7 A
DESCRIPTION
The GS20AC-12 is an AC-DC switching power
supply able to deliver 20W output power
(12V/1.7A).
Two versions of the INPUT PLUG ADAPTOR are
available:
ELECTRICAL CHARACTERISTICS (T
amb
= 25
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
V
i
Input Voltage
187
230
264
V
rms
V
o
Output Voltage
Vi = 187V to 264Vrms
Io = 0 to 1.7A
11
12
13
V
dc
I
o
Output Current
Vi = 187V to 264Vrms
Vo = 11 to 13V
0
1.7
A
I
ol
Overcurrent Limit
Initiation
Vi = 187V to 264Vrms
2
A
I
osc
Short Circuit Output
Current
Vi = 187V to 264Vrms
0.7
A
Efficiency
Vi = 187V to 264Vrms Io = 1.7A
75
%
T
op
Operating Temperature
Range
-20
+45
C
T
stg
Storage Temperature
Range
-25
+85
C
EUROPEAN VERSION
GS20AC-12-1 (ORDERING NUMBER)
UK VERSION:
GS20AC-12-2 (ORDERING NUMBER)
(See page 2 for mechanical drawings)
2/3
8 (0.31)
6 (0.24)
18.5
(0.73)
4 (0.16)
7 (0.28)
8.8 (0.35)
8.5
(0.33)
1 (0.04)
18
(0.71)
5 (0.20)
4 (0.16)
13.5 (0.53)
36 (1.42)
2 (0.07)
3 (0.12)
20 (0.79)
77 (3.03)
18.5
(0.73)
34 (1.34)
52.5
(2.07)
90
(3.54)
92 (3.62)
15 (0.59)
8 (0.31)
6 (0.24)
8.5
(0.33)
1 (0.04)
18
(0.71)
5 (0.20)
36 (1.42)
2 (0.07)
3 (0.12)
20 (0.79)
77 (3.03)
52.5
(2.07)
87
(3.43)
92 (3.62)
15 (0.59)
18
(0.71)
11.5
(0.45)
22.5
(0.86)
6.35
(0.25)
22.2
(0.87)
14
(0.55)
4 (0.16)
8 (0.31)
9.8
(0.39)
4 (0.16)
22.2 (0.87)
50 (1.97)
2 Wires:
+ Vout RED
- Vout BLACK
Total cable length
= 2000 (78.8)
European Plug Version
UK Plug Version
European View
Output connector to be defined according to customer specifications
Dimensions in mm (inches).
CONNECTION DIAGRAM AND MECHANICAL DATA
GS20AC-12
3/3
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.
GS20AC-12
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