GS20AC-12
20 WATT AC-DC C ONVERTER
Type V
GS20AC-12 230 V
in
RMS
V
out
12 V 1,7 A
I
out
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:
EUROPEAN VE RS ION
GS20AC-12-1 (ORDERING NUMBER)
UK VERSION:
GS20AC-12-2 (ORDERING NUMBER)
(See page 2 for mechanical drawings)
ELECTRICAL CHARACTERISTICS (T
Symbol
Parameter Test Conditions Min Typ Max Unit
= 25°C unless otherwise specified)
amb
V
Input Voltage 187 230 264 V
i
V
I
T
T
February 1994 1/3
Output Voltage Vi = 187V to 264V
o
I
Output Current Vi = 187V to 264V
o
Overcurrent Limit
I
ol
Initiation
Short Circuit Output
osc
Current
η Efficiency Vi = 187V to 264V
Operating Temperature
op
Range
Storage T emper ature
stg
Range
Io = 0 to 1.7A
Vo = 11 to 13V
Vi = 187V to 264V
Vi = 187V to 264V
rms
rms
rms
rms
= 1.7A 75 %
rms Io
11 12 13 V
0 1.7 A
2A
0.7 A
-20 +45 °C
-25 +85 °C
rms
dc
GS20AC-12
CONNECTION DIAG RAM AND MECHANI CAL DATA
European Plug Version
36 (1.42)
2 (0.07) 3 (0.12)
5 (0.20)
18
(0.71)
77 (3.03)
92 (3.62)
20 (0.79)
15 (0.59)
52.5
(2.07)
8.5
(0.33)
11.5
(0.45)
5 (0.20)
18
(0.71)
1 (0.04)
1 (0.04)
8.5
(0.33)
18.5
(0.73)
4 (0.16)
7 (0.28)
8.8 (0.35)
4 (0.16)
13.5 (0.53)
36 (1.42)
2 (0.07) 3 (0.12)
22.2 (0.87)
87
(3.43)
90
(3.54)
18.5
(0.73)
34 (1.34)
UK Plug Version
77 (3.03)
92 (3.62)
20 (0.79)
2 Wires:
+ Vout RED
- Vout BLACK
Total cable length
= 2000 (78.8)
15 (0.59)
6 (0.24)
8 (0.31)
6 (0.24)
52.5
(2.07)
8 (0.31)
18
(0.71)
6.35
(0.25)
4 (0.16)
50 (1.97)
22.5
(0.86)
9.8
(0.39)
8 (0.31)
22.2
(0.87)
4 (0.16)
14
(0.55)
Output connector to be defined according to customer specifications
Dimensions in mm (inches).
2/3
European View
GS20AC-12
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 chang e without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not autho rized for use as critical components in life s upport devices or systems without expr ess
written approval of SGS-THOMSON Microelectronics.
© 1994 SGS-THOMSON Microelectronics – All Rights Reserved
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.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
3/3
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