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L6572 Datasheet(PDF) 1 Page - STMicroelectronics

Part # L6572
Description  High voltage smart ballast controller
PDF  22 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6572 Datasheet(HTML) 1 Page - STMicroelectronics

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This is information on a product in full production.
October 2012
Doc ID 023882 Rev 1
1/22
22
L6572
High voltage smart ballast controller
Datasheet
− production data
Features
■ 600 V half-bridge driver
■ Integrated bootstrap diode
■ Failure protection logic
■ Programmable deadtime
■ Programmable preheated start
■ Two-step dimming with programmable dimmed
current
■ Thermal powerboost
■ Closed loop control operation
Applications
■ CFLi
■ Electronic ballast
Figure 1.
Block diagram
SO14
COUNTER
UVLO
VREF
DAC
2 STEP
DIMMING
IGNITION
RECOGNI-
TION
OUTPUT
STAGE
DEAD
TIME
HSD
LSD
CLOCK
RATED
CURRENT
CURRENT
REGULATION
TPB
ZVS
SIGNAL
PROCESSING
BOOT
HVG
OUT
LVG
SENSE
RDT
RDO
RNO
RPH
RCL
TSD
VS
GND
AM14881v1
www.st.com


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