IRS2168DSPBF Datasheet PDF - International Rectifier
| Part Number | IRS2168DSPBF | |
| Description | ADVANCED PFC + BALLAST CONTROL IC | |
| Manufacturers | International Rectifier | |
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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 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
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
RCPH
R VBUS C PH
VBUS
1
CPH
2
C VCO
R
R
FMIN
RPH
VCO
3
FMIN
4
CCOMP
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
CVCC1
CVCC2
R GLS
R3
D1
C SD1
CCS C SD2
M1
CBLOCK LRES
D CP1
C SNUB
R6
R4
M2
D CP2
R5
RCS
D2 D3
R7
R8
C EOL R 9
CRES
* Please note that this datasheet contains advanced information that could change before the product is released to production.
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IRS2168D(S)PbF
Electrical Characteristics (cont’d)
VCC = VBS = VBIAS=14 V +/- 0.25 V, CLO = CHO = CPFC = 1000 pF, RFMIN = 42.2 kΩ, RPH = N/C, VCPH = VVCO = 0 V,
VSD/EOL = VCOMP = VCS = VOC = VBUS = VZX = 0 V, TA=25 oC unless otherwise specified.
Symbol
Definition
Min Typ Max Units Test Conditions
Ballast Control Oscillator Characteristics
fOSC, RUN Half-bridge oscillator run frequency
fOSC, PH
D
td, LO
td, HO
VFMIN
Half-bridge oscillator preheat frequency
Oscillator duty cycle
LO output deadtime
HO output deadtime
FMIN pin voltage
42.5
81
---
1.1
1.1
1.9
44.5
85
50
1.6
1.6
2.0
46.5
89
---
2.1
2.1
2.1
kHz
%
µs
V
MODE = RUN
RPH = 42.2 kΩ,
MODE = PREHEAT
VCC = 14.0 V
Ballast Control Preheat, Ignition and Run Mode Characteristics
VCPHEOP+
CPH pin end of preheat rising threshold
voltage
8.8 9.3 9.8
VCPHSOI-
CPH pin start of ignition falling threshold
voltage
4.6 4.9
5.2
VVCOPH VCO pin preheat mode voltage
--- 0
---
VVCOIGN VCO pin ignition mode voltage
---
(Open
Drain)
---
IVCOIGN
VCO pin ignition regulation discharge
current
--- 0.6 ---
VCPHRUN+ CPH pin run mode rising threshold voltage 8.8
9.3
VVCORUN VCO pin run mode voltage
---
(Open
Drain)
Ballast Control Protection Circuitry Characteristics
VCSTH+ CS pin over-current sense threshold
1.1 1.2
nEVENTS
VSDTH+
VSDTH-
CS pin fault counter number of events
SD pin rising non-latched shutdown
threshold voltage
SD pin falling reset threshold voltage
30 65
4.7 5.2
2.5 3.0
VEOLBIAS
VEOLTH+
VEOLTH-
EOL pin internal bias voltage
EOL pin rising latched shutdown threshold
voltage
EOL pin falling latched shutdown threshold
voltage
1.9
2.85
0.9
2.0
3.0
1.0
IEOL, SOURCE EOL pin OTA output sourcing current
--- 10
IEOL, SINK EOL pin OTA output sinking current
VCPHFLT CPH pin fault mode voltage
VVCOFLT VCO pin fault mode voltage
VFMINFLT FMIN pin fault mode voltage
--- -10
--- 0
9.8
---
1.3
100
5.7
3.5
2.1
3.15
1.1
---
---
---
V
MODE = PREHEAT
MODE = IGNITION, VCS
< VCSTH+
MODE = IGNITION,
mA VVCO = 1 V,
VCS > VCSTH+
MODE = IGNITION
V
MODE = RUN
V
---
MODE = PREHEAT or
RUN
V
MODE = RUN
MODE = RUN
MODE = PREHEAT
µA VEOL = 1.5 V
MODE = PREHEAT
VEOL = 2.5 V
V MODE = FAULT
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| Part Number | Description | MFRS |
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