KA7541 Fairchild Semiconductor, KA7541 Datasheet - Page 4

• Manufacturer Part Number: KA7541
• Description: IC SIMPLE BALLAST CONTROL 8-DIP
• Manufacturer: Fairchild Semiconductor
• Type: Ballast Controllerr

Specifications of KA7541

• Frequency: 44 ~ 56 kHz
• Current - Supply: 6mA
• Voltage - Supply: 11 V ~ 30 V
• Operating Temperature: -25°C ~ 125°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

KA7541
Electrical Characteristics
Unless otherwise specified, for typical values Vcc=14V, Ta=25
temperature range with
Note:
1. These parameters, although guaranteed, are not 100% tested in production.
4
UNDER VOLTAGE LOCK OUT SECTION
Start threshold voltage
UVLO hysteresis
SUPPLY CURRENT SECTION
Start up supply current
Operating supply current
Dynamic operating supply current
REFERENCE SECTION
Reference voltage
Line regulation
Temperature stability of Vref
OSCILLATOR SECTION
Operating frequency
Operating dead time
Soft start frequency
Soft start dead time
OUTPUT SECTION
Rising time
Falling time
Maximum output voltage
Output voltage with UVLO activated
NO LAMP PROTECTION SECTION
No lamp detect voltage
(note1)
(note1)
Parameter
-25
o
C
Ta 125
o
C
and 11V
V
V
Symbol
V
HY
omax(o)
omin(o)
I
TH(st)
V
V
Vnd
DCC
V
I
I
tod
fos
fss
tsd
CC
ST
ref 1
ref 2
tr
tf
ref
(st)
V
CC
V
V
Output not switching
50kHz, CI=1nF
Iref=0mA, Vcc 14V
14V V
-25 Ta 125 C, Vcc 14V
V
V
V
V
CI=1nF, Vcc 12V
CI=1nF, Vcc 12V
V
V
CC
CC
SS
SS
SS
SS
CC
CC
30V
=3V, C
=3V, Vcc 14V
=0V, C
=0V, Vcc 14V
<V
=20V
=5V, I
increasing
o
C, For Min/Max values Ta is the operating ambient
CC
Conditions
TH
(st)
O
25V
T
T
=100 A
=470pF
=470pF
-
-
Min.
1.95
1.9
8.5
1.3
2.4
1.8
44
56
12
-
-
-
-
-
-
-
-
Typ.
0.15
120
9.5
1.8
0.1
2.9
2.3
15
50
65
50
15
6
7
2
2
-
Max.
10.5
0.25
2.05
200
100
2.3
3.4
2.8
2.1
10
14
10
56
74
18
1
-
Unit
KHz
KHz
mA
mA
mA
mV
mV
ns
ns
V
V
V
V
V
V
s
s