EFS2A STMicroelectronics, EFS2A Datasheet
EFS2A
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EFS2A Summary of contents
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... Fluorescent tube lamp ignition from 18 to 70W EFS2B driver compatible with 50/60Hz n operation SELECTABLE PREHEAT TIME: n EFS2A driver: 1.5s or 2.56s (50Hz) EFS2B driver: 0.74s or 1.24s (50Hz) EFS2B driver: 0.62s or 1.03s (60Hz) 8 STRIKING PULSES CAPABILITY: n for very cold environment or ageing lamp STARTER SHUTDOWN WITH FAILED LAMP ...
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... Shunt grounded grounded grounded 7 DRIVER: EFS2A-CD and : EFS2B-CD EFS STARLIGHT-KIT PARTS SELECTION: The EFS STARLIGHT-KIT answers effectively to linear fluorescent lamp ignition needs: DRIVER VERSION Pin 2 connection PREHEAT DURATION ASD LAMP POWER RANGE AMBIENT TEMPERATURE RANGE Note 1: below - recommended to limit the lamp power range to 58W. ...
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RECOMMENDED LAMP POWER RANGE APPLICATION LAMP POWER ( -30 -20 -10 Note 2: the ignition temperature range is given with starting aid, as required in the IEC 81 and IEC 926 (§6.3.1) ...
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... Supply limitation low in standby mode CCL Supply current in standby mode I CC Ignition current level Rsense = 0. LAMP OFF STATE DETECTION tc Checking delay after zero crossing lamp voltage EFS2A version EFS2B version V Internal reference voltage REF ASD Symbol VT + Positive on-state voltage VT - Negative on-state voltage ...
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... C (note 3) Recommended Components EFS21 EFS2B 15k - 0.125W - 5% 130k - 0.125W - 5% 3.3k - 0.25W - 5% 0.39 - 0.25W - 5% (note 4) 0.39k - 0.25W - 16V - 20% BYD17K (800V) EFS R6 ASD Twin series 230V / 50Hz or single 115V / 50Hz 18 to 36W EFS2A or EFS2B 5/14 ...
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EFS EFS STARLIGHT-KIT APPLICATION NOTE 1/ THE AC POWER SWITCH: FUNCTIONAL DESCRIPTION he Starter is a bi-directional switch which performs two functions: the preheat of the tube, n the ignition of the tube. n BALLAST 1 FLUORESCENT TUBE 220V / ...
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Present solutions work with a unidirectional switch, like MOS transistors or GTO (Gate Turn Off thyristor starter is a bi-directional switch necessary to use a rectifier bridge (4 diodes of 1500V ). More ...
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EFS 4/ AUXILIARY POWER SUPPLY: In order to reduce the number of components, an auxiliary power supply is integrated in the ASD . This active power supply works directly on the mains and requires only a low voltage capacitor 16V ...
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... THE DRIVER: FUNCTIONAL DESCRIPTION EFS2A DRIVER Internal block diagram (50Hz operation) State State tube detection tube Shunt ISO synchro 350mA UVLO Minimum Vcc Power supply ALGORITHM 1. At switch on: At switch on, an integrated Under Voltage Lock Out function (UVLO) resets the driver as long as the supply voltage stays below a safety level ...
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... The DL and DL limits can be calculated as follows: MAX min 1265 . ( 4 1 min MAX DL MAX R 4 min 10/14 PREHEAT DURATION 50Hz EFS2A EFS2B GND VCC GND 1.5s 2.56s 0.74s CORRECT SETTING = NO WAVEFORM ACROSS THE GREY AREA DL MAX DL min ). 1122 . MAX ...
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E.M.I. CAPACITOR: As required in the IEC 926 standard (§11.5), “starters which are interchangeable with glow starters in accordance with IEC 155 shall contain means for radio interference suppression, the effect of which is equivalent to that of the ...
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EFS 8.3. Operation on the 230V/50Hz AC mains in twin tubes configuration The EFS STARLIGHT-KIT is also suitable for the configurations Twin tubes Starter Note 5: Components to choose are listed in the table “RECOMMENDED COMPONENTS ACCORDING TO APPLICATION CONDITIONS” ...
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PACKAGE MECHANICAL DATA SO14 (Driver Millimeters Dim. Min. Typ. Max. Min. Typ. Max 0 0. ...
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... STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap- proval of STMicroelectronics. ...