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Numéro de référence | IR2156 | ||
Description | BALLAST CONTROL IC | ||
Fabricant | International Rectifier | ||
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1 Page
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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Pages | Pages 24 | ||
Télécharger | [ IR2156 ] |
No | Description détaillée | Fabricant |
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IR2152 | SELF-OSCILLATING HALF-BRIDGE DRIVER | International Rectifier |
IR2153 | SELF-OSCILLATING HALF-BRIDGE DRIVER | International Rectifier |
IR21531 | SELF-OSCILLATING HALF-BRIDGE DRIVER | International Rectifier |
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