KA7541 Fairchild Semiconductor, KA7541 Datasheet - Page 2

• 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
Internal Block Diagram
Absolute Maximum Ratings
Absolute Maximum Ratings (-25 C Ta 125 C)
2
Supply voltage
Peak drive output current
Drive output clamping diodes
V
Soft start, and no lamp detection input voltage
Operating temperature range
Storage temperature range
Power dissipation
Thermal resistance (Junction-to-air)
Temperature stability for reference voltage (Vref)
Temperature stability for operating frequency (fos)
O
>V
CC
, or V
0.22 F
180pF
22k
Ct
C
R
S
S
O
< 0.3
Ldet
Parameter
1
2
3
4
2.5 A
8Ict
Parameter
40k
V
5pF
30k
Z
2k
3pF
3V
1V
Vref
2V
Vref
+
Ict
+
+
-
-
+
I
H
+
latch
R
S
+
Q
+
I
Shut down signal
C
Oscilator
I
S
Ik = I
8-DIP
8-SOP
8-DIP
8-SOP
Current
Oscilator
mirror
S
/ 6
Symbol
Internal
Vref(Typ)
2V Ref
fos(Typ)
bias
I
Symbol
I
I
Frequency
divider
H
S
OH
Iclamp
V
Topr
= Ik
= Vref / R
Tstg
V
Pd
F.D
CC
, I
IN
ja
OL
UVLO
(Vref
S
1.8V
V
SS
UVLO
+
) / Vref
Value
15
9.5V
5
-25 to 125
65 to 150
0.3 to 6
Value
V
100
165
CC
0.8
0.5
30
300
10
V
CC
8
7
6
5
V
OUT 1
OUT 2
GND
CC
Unit
kHz
mV
Unit
mA
mA
C/W
W
V
V
C
C