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PDF KKA3354 Data sheet ( Hoja de datos )
| Número de pieza | KKA3354 | |
| Descripción | IC | |
| Fabricantes | KODENSHI KOREA | |
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TECHNICAL DATA
IC for Electronic Ballasts
KKA3354
Short Description
The bipolar monolithic integrated circuit triggers,
monitors and turns-off RF-oscillation of an electronic
ballast for fluorescent lamps dependent on several control-
and monitoring functions.
Features
Minimum wiring complexity
Overtemperature protection without external
components
Malfunction detection
Timer output
Automatical reignition after lamp change
Pinning
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
TM
CT
TR
GND
EI
LW
S
VCC
temperature mode selection
clock generator
trigger output, turn-off attenuation, oscillation detector
connection to ground
error indication input
input of lamp change
switching output of the timer
supply voltage
Block diagram
Characteristics of the IC
• The KKA3354 is a control- and monitoring-IC to drive an electronic ballast for fluorescent lamps.
• The IC actuates the oscillation of a self-oscillating circuit for generation of RF-shaped lamp current by
means of trigger pulses. After successful excitation the oscillation is monitored and further trigger pulses are
blocked.
• The IC has a timer with low-active output which is activated for one second after supply voltage was
applied.
The switching output is effective for pre-heating and ignition systems.
• The IC consists an error indication input. In case of error indication the IC stops oscillation. Enquiry cycles
realize interference reduction.
• After lamp change the IC starts oscillation again.
• The IC protects from overtemperature cutting oscillation. It is programmable when the oscillator circuit
shall be triggered again.
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Principle Circuit Diagram
KKA3354
A3354
Application Circuit Diagram
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet KKA3354.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| KKA3354 | IC | KODENSHI KOREA |
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