IR2156S International Rectifier, IR2156S Datasheet - Page 20

• Manufacturer Part Number: IR2156S
• Description: IC CNTL BALLAST 600V 0.5A 14SOIC
• Manufacturer: International Rectifier
• Type: Ballast Controllerr

Specifications of IR2156S

• Frequency: 28 ~ 32 kHz
• Current - Supply: 1mA
• Voltage - Supply: 11.5 V ~ 15.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Package: 14-lead SOIC
• Circuit: Fluorescent Ballast IC
• Offset Voltage (v): 600
• Output Source Current Min (ma): 250
• Output Sink Current Min (ma): 400
• Vcc Range (v): 10-25V with UVLO
• Output Voltage Min (v): 10
• Output Voltage Max (v): 25
• Pbf: PbF Option Available
• For Use With: IRPLCFL4 - IC BALLAST DIMMING CFL 3-WAYIRPLCFL3 - KIT DESIGN CFL TRIAC DIMMING
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Other names: *IR2156S

IR2156
Design Example: 42W-QUAD BIAX CFL
Step 1: Program Dead-time
Step 2: Program Run Frequency
C
T
R
R
R
2000
T
T
T
t
I
R
DT
IGN
CS
. 1
. 1
40
( S ) & (PbF)
12
12
0
,
. 1
846
. 1
I
8 .
2000
R
IGN
25
25
CS
e
C
470
1
T
6
1
pF
f
400
RUN
43
43000
pF
k
3333
470
3333
pF
Step 3: Program Preheat Frequency
Step 4: Program Preheat Time
Step 5: Program Ignition Current
R
R
R
PH
PH
PH
53
R
T
43000
. 1
C
C
C
,
330
. 1
12
PH
PH
PH
12
. 1
C
1
12
T
t
(
. 0
470
PH
500
C
f
51
166
1
PH
. 1
T
k
1
pF
e
02
. 0
uF
f
PH
331
3333
) 3
470
70000
e
3333
(
. 0
. 0
1
pF
R
6
331
T
22
uF
e
70000
3333
) 6
43000
3333