IRS2168D_15 Datasheet, PDF (1/21 Pages) International Rectifier – ADVANCED PFC BALLAST CONTROL IC

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.
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 V_cc
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
Application Diagram (Typical Only)
16-Lead PDIP
IRS2168DPbF
16-Lead SOIC
IRS2168DSPbF
+ Rectified AC Line
D _BUS
R _VBUS1
R _SUPPLY
- Rectified AC Line
C _BUS ⁺
M3
R _OC
C VBUS
R_CPH
R _VBUS C _PH
VBUS
1
CPH
2
C _VCO
R
R
FMIN
RPH
VCO
3
FMIN
4
C_COMP
COMP
5
R1
R _GPFC
ZX
76
PFC
7
R₂
OC
8
C _OC
HO
16
R _GHS
VS
15
VB
14
C _BOOT
VCC
13
COM
12
LO
11
CS
10
SD/EOL
9
C_VCC1
C_VCC2
R _GLS
R₃
D1
C _SD1
C_CS ^C SD2
M1
CBLOCK L_RES
D _CP1
C SNUB
R₆
R₄
M2
D CP2
R₅
R_CS
D₂ D₃
R₇
R₈
C _{EOL R 9}
C_RES
* Please note that this datasheet contains advanced information that could change before the product is released to production.
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