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| GS5AC-40 ISDN AC-DC CONVERTER PRELIMINARY DATA Type GS5AC-40 Vi 180 to 264 V Vo Io out 1: 40 V 110 mA out 2: 40 V 10 mA FEATURES Large Input voltage range: 180 to 264 VRMS Input filter to meet EMI requirements Peak input overvoltage whitstanding Input fuse Input to output insulation 2 insulated outputs: Vo1 = 35 to 42 V for "S" interface Vo2 = 36 to 47 V for external relay and LED driver "S" interface output characteristics: Peak output of 8 W for 150 ms Typical output power: 4,5 W Output filtering to meet ETSI requirements Hold up time: 20 ms with 4,5 W output power Continuous short circuit protection Peak overvoltage withstand: 250 V for 10/700 s Mechanical dimensions (LxWxH): 80x43x30 mm DESCRIPTION The GS5AC-40 converter has been designed for an ISDN-NTBA (Network Termination Basic Access) system with either 4B3T or 2B1Q standard trasmission. The converter is able to deliver 40V/110 mA for "S" interface and is equipped also with a second, auxiliary 40V/10 mA output for relay and LED driving. The converter offers short-circuit protection on both outputs (short-circuit on 40V output doesn't affect relay/LED output and the input power never exceeds the limit of 15 W) and also provides to remove the auxiliary (relay & LED) output when the mains is missing, thus allowing the use of a second "emergency" voltage source (relay contacts are released). 3000 VRMS insulation voltage for 60 seconds is provided between input and the outputs. Output 1 and Output 2 share the same common ground (pin 4 is internally connected with pin 6). The design of the module has been conducted using, as reference standards, the following: EN 60950, VDE0878 part 1 class B (EMC), EN55022 class B (EMC), CCITT 430, ETS 300 012 and ETS 300 047 (ISDN BASIC ACCESS, Safety and Protection); anyway, please note that no certification processes have been carried out on the module itself. 20 January 1997 1/4 GS5AC-40 ELECTRICAL CHARACTERISTICS (Tamb = 25C unless otherwise specified) Std. Conditions: Vin = 180 to 264 VRMS Po1 = 0 to 4.5 W Io2 = 0 to 10 mA Parameter Input Voltage Input Frequency Input Power Input Power Start up Input Voltage Output Voltage 1 Output Voltage 2 Output Voltage 2 Output Ripple Voltage 1 Output Current 1 Output Overcurrent Output 1 short circuit current Output current 2 Power Fail Vo1 threshold Power Fail Vi threshold Input Transient Overvoltage Out 1 Transient Overvoltage Insulation Voltage Insulation Voltage (pulse) Hold-up time Mean Time Before Failure Operating Ambient Temperature Range Storage Temperature Range Standard Conditions Vo2 fails below 1 V Output parameters as per Standard Conditions t = 10/700 s t = 10/700 s Input to outputs, t=60 s Input to outputs, t = 10/700 s (pulse) Vin = 180 VRMS Loads as per Std. Conditions Ground Fixed, MIL-HDBK-217E 2.5 250 3000 4 20 1 -5 - 40 +70 +85 Vi = 230 VRMS Standard Conditions Abnormal Conditions Output parameters as per Standard Conditions Standard Conditions Standard Conditions Emergency Conditions Standard Conditions B W: 0 - 20 MHz Standard Conditions t = 150 ms, Vo1 = 35.5 to 42 V at Switch-On 0 180 10 0 35.5 150 50 100 36 36 0 38 38 Vo2 = 36 to 47 V Min 180 43 7 15 150 42 47 1 100 110 250 80 10 36.5 180 Typ Max 264 56 Unit VRMS Hz W W VRMS V V V mVRMS mA mA mA mA V VRMS kV V VRMS kV ms Mhours C C Symbol Vi fi Pi Pi Vist Vo1 Vo2 Vo2 Vor1 Io1 Ioo1 Io1sc Io2 Vo1pf Vipf Vipk Vo1pk Vis Vis th MTBF Top Tstg Test Conditions 2/4 20 January 1997 GS5AC-40 Figure 1. Connection diagram and mechanical data 1 (0.04) 80 (3.15) 30 (1.18) 71.12 (2.80) Bottom view 2 1 10.16 (0.4) 5.08 (0.2) 10.16 (0.4) 5.08 (0.2) 3 4 5 6 43 (1.69) 0.6 (0.023) 3 (0.12) PIN DESCRIPTION Pin 1 2 3 4 &6 5 Function AC Input AC Input +Vo1 - Vo1 & -Vo2 + Vo2 Mains input Mains input Description + 40 V Output for "S" interface Output Common Ground + External Relay & LED driver 20 January 1997 3/4 GS5AC-40 Figure 2. Typical application example 3 1 GS5AC-40 40 V + 4 5 1 Led 2 + Relay/Led Mains input GS1T70-D540/2 5 6 3 AC/DC converter - 6 2 + 40 V Relay DC/DC converter + 5V - 4 So Uo "S" interf. "U" interf. NT1 board 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. (c) 1997 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - Canada - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 4/4 20 January 1997 |
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