IR2159 International Rectifier, IR2159 Datasheet - Page 9

• Manufacturer Part Number: IR2159
• Description: IC BALLAST CONTROL DIM 16-DIP
• Manufacturer: International Rectifier
• Type: Ballast Controllerr

Specifications of IR2159

• Frequency: 25 ~ 95 kHz
• Current - Supply: 10mA
• Voltage - Supply: 12.5 V ~ 15.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -

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External Components Selection Procedure
(Note:
Please refer to
"Typical Connection"
diagram, page 1)
The minimun operating frequency must
be lower than f
lower). R
I
IPH
Set R
on pin VDC will exceed 5.1 volts at the
desired line turn-on voltage.
R
which corresponds to the maximum
ignition voltage across the lamp.
R
corresponding to maximum lamp power
when V
after R
During preheat, an internal 1.3 A
current source at pin CPH charges
external capacitor CCPH. Preheat mode
ends when VCPH exceeds 5.1 volts.
R
corresponding to minimum lamp
power when V
be set after R
The voltage at pin IPH is the reference
for amplitude current control during
preheat mode. R
R
CS
MAX
MIN
, so R
FMIN
sets the maximum ignition current
sets the lower phase boundary
VAC
sets the upper phase boundary
.
FMIN
DIM
FMIN
FMIN
and R
= 5 volts. R
and R
must be set first.
also programs I
100%
FMIN
DIM
VDC
MIN
.
IPH
= 0 volts. R
of f
such that the voltage
.
must be set after
IGN
MAX
(whichever is
must be set
MIN
MIN
and
must
Calculate
Use Graph 5 or Graph 6
R
Select & Calculate R
VDC
Use Graph 8 to find I
R
Calculate R
Find V
PULL
Find I
then calculate R
C
Use Equation 15
Calculate C
Calculate R
Calculate R
R
Calculate R
Calculate R
CPH
1
Select R
IPH
UP
R
R
MIN
VAC
VAC
CS
MIN
MIN
BEGIN
MIN
I
2
(Equations 8 & 9)
VAC
PH
I
6 .
(Graph 7)
5
TURN
5
TURN
(Graph 9)
1
IGN
1 .
1 .
I
V
e
PK
I
I
6 .
IPH
FMIN
PULL-UP
QCCUV
MIN
MIN
PK
TURN
ON
ON
R
CPH
7
MAX
VDC
CS
MIN
CS
t
IPH
PH
ON
R
VAC
IPH
:
IPH
,
IR2159/IR21591
R
R
R
R
R
R
C
FMIN
VDC
CS
MIN
MAX
IPH
CPH
f
VAC
I
MIN
IGN
I
t
PH
PH
MIN
MAX
TURN-ON
P
P
V
V
LAMP
LAMP
IGN
PH
( S )
9