IL3843
EL ECTRI CAL CHARACTERI STI CS
(Vcc= 15V unless otherwise noted)
Characteristics
OUTPUT SECTION
Output Voltage
Low State (Sink=20mA, V
CC
=15V)
(Sink=200mA, V
CC
=15V)
High State (Sink=-20mA, V
CC
=15V)
(Sink=-200mA, V
CC
=15V)
Output Voltage with UVLO Activated
(V
CC
=6.0V, I
Sink
,=1.0mA, T
A
=Tlow to Thigh)
Output Voltage Rise Time
(C
L
=1.0nF, V
CC
=15V, T
A
=Tlow to Thigh)
Output Voltage Fall Time
(C
L
=1.0nF, V
CC
=15V, T
A
=Tlow to Thigh)
ONDERVOLTAGE LOCKOUT SECTION
Startup Threshold
(V
CC
=0V to 15V,T
A
=Tlow to Thigh)
Minimum Operating Voltage After Turn-On
(V
CC
=15V to 0V,T
A
=Tlow to Thigh)
PWM SECTION
Duty Cycle
Maximum (V
CC
=15V, T
A
=Tlow to Thigh,R
T
=10k,C
T
=3.3nF)
Minimum (V
CC
=15V, T
A
=Tlow to Thigh,R
T
=10k,C
T
=3.3nF)
TOTAL DEVICE
Power Supply Current
Startup: V
CC
=6.5V
V
CC
=15V Operating
Power Supply Zener Voltage
(I
CC
=25mA, V
CC
=0 to 40V)
NOTES:
1. Vfinal= V
ref25
±(
Reg
line
+ Reg
load
)/1000± | V
ref70
(V
ref0
)-V
ref25
|
V
ref25
=Vref @ T
A
=25°C;
V
ref70
=Vref @ T
A
=70°C;
V
ref0
=Vref @ T
A
=0°C.
2. Tlow= 0°C ; Thigh=+70°C
Vth
V
CC(min)
7.8
7.0
9.0
8.2
V
V
Symbol
Min
Max
Unit
V
OL
V
OH
13
12
0.4
2.2
V
V
OL(UVL
O)
1.1
150
150
V
ns
ns
tr
tf
DCmax
DCmin
94
0
%
I
CC
Vz
30
1.0
17
40
mA
V
2011, February, Rev. 03
IKSEMICON [ IK SEMICON CO., LTD ]
