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PDF IR2156S Data sheet ( Hoja de datos )

Número de pieza IR2156S
Descripción BALLAST CONTROL IC
Fabricantes International Rectifier 
Logotipo International Rectifier Logotipo



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No Preview Available ! IR2156S Hoja de datos, Descripción, Manual

Data Sheet No. PD60182-I
IR2156(S) & (PbF)
Features
Ballast control and half-bridge driver in one IC
Programmable preheat frequency
Programmable preheat time
Internal ignition ramp
Programmable over-current threshold
Programmable run frequency
Description
The IR2156 incorporates a high voltage half-bridge
gate driver with a programmable oscillator and state
diagram to form a complete ballast control IC. The
IR2156 features include programmable preheat and
run frequencies, programmable preheat time, program-
mable dead-time, and programmable over-current pro-
tection. Comprehensive protection features such as
protection from failure of a lamp to strike,filament fail-
ures, as well as an automatic restart function, have
been included in the design. The IR2156 is available in
both 14 lead PDIP and 14 lead SOIC packages.
BALLAST CONTROL IC
Programmable dead time
DC bus under-voltage reset
Shutdown pin with hysteresis
Internal 15.6V zener clamp diode on Vcc
Micropower startup (150µA)
Latch immunity and ESD protection
Also available LEAD-FREE (PbF)
Packages
14 Lead PDIP
14 Lead SOIC
(narrow body)
CFL Application Diagram
DBOOT
CVCC2 CVCC1
RT
RPH
CT C VDC
NC
1
VCC
2
VDC
3
RT
4
RPH
5
CT
6
CPH
7
CCPH
R BUS
R SUPPLY
14 VB
HO
13
M1
VS
12
LOC BOOT
11
M2
CS
10
SD
9
COM
8
R1
CCS
RCS
C SNUB
CRES
DCP2
LRES
CCP
DCP1
D RECT1
C ELCAP1
C ELCAP1
DRECT2
L FILTE
R
L
F1
C FILTE
R
N
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IR2156S pdf
IR2156(S)&(PbF)
Block Diagram
Vcc
S1
RT
S2
R
40K
CT
RDT
2.5K
S3
R Comp 1
VTH
R
S4
R
S6
RPH
ICPH
R
CPH
VDC
RVDC
5.1V
5.1V
10K
Schmitt 1
Soft
Start
Driver
Logic
TQ
RQ
Fault
Logic
SQ
R1
R2 Q
SD
5.1V
Comp 2
COM
Under-
Voltage
Detect
High-
Side
Driver
VB
HO
VS
Low-
Side
Driver
LO
Comp 3
1.3V
CS
Lead Assignments & Definitions
Pin Assignments
NC 1
VCC 2
VDC 3
RT 4
RPH 5
CT 6
CPH 7
14 VB
13 HO
12 VS
11 LO
10 CS
9 SD
8 COM
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
NC
VCC
VDC
RT
RPH
CT
CPH
COM
SD
CS
LO
VS
HO
VB
Description
No connect
Logic & low-side gate driver supply
IC start-up and DC bus sensing Input
Minimum frequency timing resistor
Preheat frequency timing resistor
Oscillator timing capacitor
Preheat timing capacitor
IC power & signal ground
Shutdown input
Current sensing input
Low-side gate driver output
High-side floating return
High-side gate driver output
High-side gate driver floating supply
www.irf.com
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IR2156S arduino
IR2156(S)&(PbF)
1.5
1.4
1.3
1.2
1.1
1
-25 0 25 50 75 100 125
Temperature °C
Graph 9. VCSTH+ vs Temperature (IR2156)
15
14
13
12
11
10
-25
0
25 50 75 100 125
Temperature °C
Graph 11. RVDC+ vs Temperature (IR2156)
5
4.5
4
3.5
3
2.5
2
-25 0 25 50 75 100 125
Temperature °C
Graph 10. RDT vs Temperature (IR2156)
14
13
12
UV +
11
10
UV -
9
8
-25 0 25 50 75 100 125
Temperature °C
Graph 12. UV+, UV- vs Temperature (IR2156)
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