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PDF EFS2B Data sheet ( Hoja de datos )
| Número de pieza | EFS2B | |
| Descripción | STARLIGHT-KIT | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EFS2B (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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® EFS
Application Specific Discretes
STARLIGHT-KIT
A.S.D.™
2-CHIPS SET FOR FLUORESCENT LAMP STARTER
FEATURES
n VERY WIDE TEMPERATURE RANGE:
tube ignition from - 30 to + 85 °C
n SINGLE SHOT IGNITION FROM -30 to 0°C :
350mA, 1350V striking pulse
n VERY WIDE POWER RANGE:
Fluorescent tube lamp ignition from 18 to 70W
n EFS2B driver compatible with 50/60Hz
operation
n SELECTABLE PREHEAT TIME:
EFS2A driver: 1.5s or 2.56s (50Hz)
EFS2B driver: 0.74s or 1.24s (50Hz)
EFS2B driver: 0.62s or 1.03s (60Hz)
n 8 STRIKING PULSES CAPABILITY:
for very cold environment or ageing lamp
n STARTER SHUTDOWN WITH FAILED LAMP
BENEFITS
n Very low component count: 2 chips + 7 passive
components
n Meet EN55015 standards WITHOUT EMI
capacitor
n Extended life time of the fluorescent lamp due to
smooth and single shot ignition
n High inherent reliability and extended life time
of the starter
S014
EFS2A-CD
EFS2B-CD
PENTAWATT HV
EFS21-TL5
DESCRIPTION
The EFS Kit is a 2 chips set used with 7 additional
passive components, for Glow switch Starter.
The ASD™ (Application Specific Discretes)
includes a bi-directional Power Switch and a
Power Supply for the driver.
The driver provides a program to ensure a fully
optimised linear fluorescent lamp ignition.
TM : ASD is trademark of STMicroelectronics.
May 2000 - Ed: 5A
1/14
1 page  
DEMONSTRATION BOARD DIAGRAM
EFS
THERMAL
FUSE
R1 R2
DRIVER
R5
D1
R4
R3
4 14
13
4 U2 12
9
7/8/10/11
3/5/6
2
Vcc
GND
OPEN
one of the tracks
R6 ASD
13
5 U1
2
4
C1
When the starter has to be protected against over-temperature, over-current or short circuit, it is
recommended to implement a thermal fuse in series with the starter.
To meet (IEC 926) standards, a capacitor (f.i. 5nF) can be connected between pin 3 and pin 4 of the ASD.
BOARD ASSEMBLY
PCB with Pentawatt HV and SO14
DRILL and CUT the track
for SHORT preheat -->
for LONG preheat -->
Pin 2 is the preheat time select pin. To select a short preheat time, drill to cut the Vcc to pin 2 track at the
metallic hole. To select a long preheat time, drill to cut the GND to pin 2 track. The layout must be
configured for either choice to avoid supply short circuit.
RECOMMENDED COMPONENTS ACCORDING TO APPLICATION CONDITIONS
Application Conditions
AC mains
Single
230V - 50Hz
Single
120V - 60Hz
Twin series 230V / 50Hz or
single 115V / 50Hz
Lamp Power Range
18 to 70W
18 to 36W
Ambient Temperature Range
-30 to + 85°C (note 3)
Recommended Components
ASD version
EFS21
Driver version
EFS2A or EFS2B
EFS2B
EFS2A or EFS2B
R1, R2
30kΩ - 0.125W - 5%
15kΩ - 0.125W - 5%
R3 130kΩ - 0.125W - 5%
R4
2.2kΩ - 0.25W - 5%
3.3kΩ - 0.25W - 5%
R5 0.39Ω - 0.25W - 5% (note 4)
R6 0.39kΩ - 0.25W - 5%
C1 22µF - 16V - 20%
C2 BYD17K (800V)
Note 3: below -20°C, it is recommended to limit the lamp power range to 58W.
Note 4: R5(Rsense) should have a 8 A, 10 ms surge capability.
5/14
5 Page 
EFS
8/ 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 radio
interference suppression capacitor prescribed in
7.12 of IEC 155”.
The EFS starlight-kit is compatible with this 5nF
E.M.I. Capacitor which must be connected directly
across the ASD™ (between pin 3 “TUBE” and pin
4 “GND”).
On the other hand, this E.M.I. capacitor increases
the striking pulse width of about 55% on positive
temperatures.
DRIVER
Rsense
14
9
13
7/8/10/11
2/3/5/6
12
41
ASD™
13
5
2
4
C
E.M.I.
8.1. Operation in single lamp configuration
The EFS STARLIGHT-KIT is ideal in the following configurations:
- Single Starter / 230V / 50Hz - Single Starter / 230V / 60Hz - Single Starter / 120V / 60Hz
T
U
®B
E
AC
MAINS
Note 4: the different driver versions should be chosen according to the table “EFS STARLIGHT KIT PARTS SELECTION” page 2.
Note 5: Components to choose are listed in the table “RECOMMENDED COMPONENTS ACCORDING TO APPLICATION CONDITIONS”
page 5.
8.2. Operation with capacitor for power factor correction:
The EFS STARLIGHT-KIT is also suitable for magnetic ballast including front end parallel capacitor.
The EFS STARLIGHT-KIT is NOT suitable for magnetic ballast including front end serial capacitor.
LEADING MAGNETIC BALLAST WITH
SERIAL CAPACITOR
MAGNETIC BALLAST WITH SHUNT
PARALLEL CAPACITOR
T
U
®B
E
T
U
®B
E
AC
MAINS
11/14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet EFS2B.PDF ] | |
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