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Numéro de référence | L6585D | ||
Description | PFC and Ballast Control IC | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
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L6585D
Combo IC for PFC and ballast control
Features
■ Pre-heating and ignition phases independently
programmable
■ Ignition voltage control
■ Transition mode PFC with over-current
protection
■ Programmable and precise End-of-life
protection compliant with all ballast
configurations
■ Auto-adjusting half-bridge over-current control
■ Automatic re-lamp
■ 3% oscillator precision
■ 1.2µs dead time
■ PFC over-voltage protection and feedback
disconnection
■ Under voltage lock-out
SO-20
Applications
■ Electronic ballast
Block diagram
INV
ZCD
PFG
CTR
COMP
2.5V
+
_
E/A
MULT
MULTIPLIER
and THD
OPTIMIZER
1V OL
PFCS
LEB
PWM
COMP.
0.7V
Vcc
STARTER
SR
Q
PFSTOP
OL
OVP
WINDOW
COMPARATOR
& REF.
3.4V
EOLR
0.8V
DIS
2V
2V
Vcc
1.7V
17V
_ UV
DETECTION
CHOKE
SAT.
DEAD
TIME
SYNCHRONOUS
BOOTSTRAP DIODE
DRIVING
HVG
DRIVER
LEVEL
SHIFTER
LATCH
OVP
PFSTOP
DIS
EOL
CONTROL
LOGIC
LOGIC
LVG DRIVER
HB STOP
1.5V
1.9V
CCO
TIMING
MANAGEMENT
4.6
1.5
BOOT
HSD
OUT
Vcc
LSD
GND
HBCS
0.9V
Vcc
0.8V
RELAMP
EOLP
RF OSC EOI
Tch
December 2006
Rev 3
1/25
www.st.com
25
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Pages | Pages 25 | ||
Télécharger | [ L6585D ] |
No | Description détaillée | Fabricant |
L6585D | PFC and Ballast Control IC | ST Microelectronics |
L6585DE | Combo IC | STMicroelectronics |
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