Electrical Characteristics
Typical values under normal operation in application circuit (see Figure 1), V
S
(+49, Pin 2 and 6) = 12 V.
Reference point ground (-31), T
amb
= 25°C, unless otherwise specified.
Parameters
Supply voltage range
Supply current
Relay control output:
Saturation voltage
Reverse current
Start delay (Delay time)
Frequency tolerance
Bright period
Frequency increase
Control signal threshold
Leakage resistance
Lamp load
Test Conditions
Pin 2 and 6
Dark phase, Pin 2 and 6
Bright phase, Pin 2 and 6
Pin 3
I
O
= 150 mA, V
S
= 9 V
First bright phase
Normal flashing
Basic frequency f
1
Control frequency f
2
Lamp outage
V
S
= 15 V, Pin 7
V
S
= 9 V, Pin 7
V
S
= 12 V, Pin 7
49a to GND
Symbol
V
S
I
S
I
S
V
O
I
O
t
on
Df
1
Df
1
Df
2
f
2
V
Rs
V
Rs
V
Rs
R
P
P
L
1
-5
47
37
2.15
´
f
1
50
43
47
53
45
49
4
Min.
9
4.5
7.0
Typ.
Max.
15
8
11
1.0
0.1
10
+5
53
45
2.3
´
f
1
57
47
51
5
Unit
V
mA
mA
V
mA
ms
%
%
%
Hz
mV
mV
mV
kW
W
6
U6043B
4726A–AUTO–06/03