KA7543 Fairchild Semiconductor, KA7543 Datasheet - Page 5

• Manufacturer Part Number: KA7543
• Description: MOSFET & Power Driver ICs
• Manufacturer: Fairchild Semiconductor

Specifications of KA7543

• Product: Half-Bridge Drivers
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical Characteristics
Unless otherwise specified, Vcc=12V, Ta=25 C
Notes :
1. This parameter should be tested in Vcc = 11V, 14V, 30V.
2. This parameter, although guaranteed, is not tested in production.
Parameter
1 Lamp Feedback Voltage
2 Lamp Feedback Voltage
Output Voltage High
Output Voltage Low
OSCILLATOR SECTION(NOTE1)
Reference Frequency
Reference Dead Time
Soft Start Frequency
Soft Start Time Current
VOLTAGE INPUT DIMMING SECTION(NOTE1)
Dimming Voltage Range
Dimming Start Voltage
Initial Dimming Output Voltage
OUTPUT 1/2 SECTION
Rising Time (Note2)
Falling Time(Note2)
Output Voltage With UVLO Activated
PROTECTION SECTION
Lamp Detection Voltage
Abnormal Detection Voltage
Switch Off Detection Voltage
No Lamp Detect Voltage
PROTECTION RESET SECTION
Protection Reset Voltage
(Continue)
Vomin(o)
Symbol
Vea(h)
Vea(l)
Vfb1
Vfb2
Vdm
Vdm
Vnd
Vab
Vso
Vpr
fref
Vdm
Vld
fss
I
td
ss
tr
tf
.
Vld = 2V
Vld = 4V
Vfb = 0V
Vdm = 0V
Vdm = 0V
Vfb = 2V
V
V
V
V
Vcc =12V,CI =1nF
Vcc =12V,CI =1nF
V
C
C
C
C
CC
= 3.0V
= 3.0V
= 0V
= 0V
= 5V, I
Conditions
O
=100 A
-
-
-
-
-
-
0.425
Min.
0.85
3.85
0.85
-0.1
5.5
1.2
9.2
2.5
1.6
4.7
37
77
0
-
-
-
-
-
Typ.
200
0.5
5.7
1.4
0.7
45
11
50
1
4
0
3
2
5
1
-
-
-
-
0.575
Max. Unit
1.15
12.8
4.15
1.15
280
5.9
0.4
1.6
0.1
0.9
3.5
2.4
5.3
53
90
2
-
-
KA7543
kHz
kHz
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
A
s
5