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IRS2168DPBF Datasheet(PDF) 1 Page - International Rectifier

Part No. IRS2168DPBF
Description  ADVANCED PFC BALLAST CONTROL IC
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IRS2168DPBF Datasheet(HTML) 1 Page - International Rectifier

 
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Page 1
Data Sheet No. PD60310
IRS2168D(S)PbF
ADVANCED PFC + BALLAST CONTROL IC
Features
PFC, ballast control and 600 V half-bridge driver in one IC
Critical-conduction mode boost-type PFC
Programmable PFC over-current protection
Programmable half-bridge over-current protection
Programmable preheat frequency
Programmable preheat time
Programmable ignition ramp
Programmable run frequency
Closed-loop ignition current regulation
RoHs compliant
Description
The IRS2168D is a fully integrated, fully protected 600 V
ballast control IC designed to drive all types of fluorescent
lamps. The IRS2168D is based on the popular IR2166
control IC with additional improvements to increase ballast
performance.
The
PFC
circuitry
operates
in
critical
conduction mode and provides high PF, low THD and DC
bus
regulation.
The
IRS2168D
features
include
programmable preheat and run frequencies, programmable
preheat time, programmable PFC over-current protection,
closed-loop half-bridge ignition current regulation, and
programmable
end-of-life
protection.
Comprehensive
protection features such as protection from failure of a lamp
to strike, filament failures, end-of-life protection, DC bus
undervoltage reset as well as an automatic restart function,
have been included in the design.
Application Diagram (Typical Only)
Fixed internal 1.6 µs HO and LO deadtime
Voltage-controlled oscillator (VCO)
End-of-life window comparator pin
Internal 65-event current sense up/down fault counter
DC bus undervoltage reset
Lamp removal/auto-restart shutdown pin
Internal bootstrap MOSFET
Internal 15.6 V Zener clamp diode on Vcc
Micropower startup (250 µA)
Latch immunity and ESD protection
System Features
One-chip ballast control solution
Wide range PFC for universal input and multi-lamp ballasts
Ultra low THD
Closed-loop ignition regulation for reliable lamp ignition
End-of-Life window comparator with internal OTA
Lamp removal/auto-restart function
Fault counter for robust noise immunity
Brown-out protection and reset
Internal bootstrap MOSFET
Packages
16-Lead PDIP
16-Lead SOIC
IRS2168DPbF
IRS2168DSPbF
+ Rectified AC Line
- Rectified AC Line
R
VBUS1
15
14
13
12
11
COM
VCC
VB
VS
HO
1
2
3
CPH
PFC
VBUS
4
5
7
OC
FMIN
VCO
6
7
8
ZX
COMP
10
CS
LO
9
SD/EOL
16
D
BUS
D CP2
M3
+
C VBUS
R VBUS
C
VCO
C
PH
C
COMP
C
BUS
R
GHS
M1
R
GPFC
L
RES
CBLOCK
C
CS
R
CS
R
GLS
M2
R
5
R
4
RSUPPLY
C
BOOT
C SNUB
D CP1
R
3
C
VCC2
C
VCC1
C
RES
C
SD1
C
SD2
R
6
R
7
R
8
R
9
D1
D2
D3
R1
C
EOL
ROC
R
2
C
OC
R
FMIN
R
CPH
R
RPH
* Please note that this datasheet contains advanced information that could change before the product is released to production.


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