STMicroelectronics L6585D
the L6585D embeds a PFC controller, a half-bridge controller, the relevant drivers and the logic necessary to build an electronic ballast. The advanced and precise logic circuitry, combined with the programmability of the End-ofLife windows comparator threshold, makes the L6585D compliant with either "lamp-toground" or "block capacitor-to ground" configurations. The pre-heating and ignition durations are independently settable as well as the half-bridge switching frequencies for each operating phases (pre-heating, ignition and normal mode).| Part No. | L6585D |
|---|---|
| Datasheet | L6585D Download |
| Manufacturer |  STMicroelectronics |
| Description | PFC and Ballast Controller |
| Buy | Stock & Price |
FEATURES
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● 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
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APPLICATIONS
● Electronic ballast Block diagram COMP MULT PFCS Vcc 2.5V + _ E/A INV 1V ZCD OL S 0.7V PFG STARTER Q R LATCH OVP PFSTOP DIS EOL CONTROL Vcc PFSTOP WINDOW COMPARATOR & REF. CTR OL OVP 3.4V DIS 2V 0.8V 2V EOLR 0.8V RELAMP EOLP December 2006 + MULTIPLIER and THD OPTIMIZER LEB 1.7V 17V BOOT UV DETECTION SYNCHRONOUS BOOTSTRAP DIODE _ CHOKE SAT. PWM COMP. HVG DRIVER HSD OUT + _ DEAD TIME DRIVING LOGIC LEVEL SHIFTER LVG DRIVER Vcc LSD GND 1.5V HB STOP LOGIC HBCS 1.9V TIMING MANAGEMENT 4.6 1.5 0.9V Vcc CCO RF OSC EOI Tch Rev 3 1/25 25 Contents L6585D Contents 1 2 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
