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KKA3354 Datasheet

  • KKA3354

  • IC for Electronic Ballasts

  • 268.88KB

  • 6頁

  • KODENSHI

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TECHNICAL DATA
IC for Electronic Ballasts
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.
KKA3354
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
V
CC
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
鈥?The
KKA3354
is a control- and monitoring-IC to drive an electronic ballast for fluorescent lamps.
鈥?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.
鈥?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.
鈥?The IC consists an error indication input. In case of error indication the IC stops oscillation. Enquiry cycles
realize interference reduction.
鈥?After lamp change the IC starts oscillation again.
鈥?The IC protects from overtemperature cutting oscillation. It is programmable when the oscillator circuit
shall be triggered again.
1

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