U2043B Datasheet, PDF (6/10 Pages) TEMIC Semiconductors – Flasher, 30-mohm Shunt, Pilot Lamp to GND or V Batt

6. Electrical Characteristics
Typical values under normal operation in application circuit Figure 1-1 on page 1, V_S (+49, pin 2 and pin 6) = 12V.
Reference point ground (–31), T_amb = 25°C, unless otherwise specified
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Supply voltage range
Supply current
Supply current
Relay output
Relay output reverse current
Relay coil resistance
Start delay
Frequency determining resistor
Frequency determining capacitor
Frequency tolerance
Bright period
Frequency increase
Control signal threshold
Leakage resistance
Lamp load
Pins 2, 6
V_S(+49)
9 to 15
V
Dark phase or stand-by, pins 2, 6
I_S
4.5
8
mA
Bright phase, pins 2, 6
I_S
7.0
11
mA
Saturation voltage
I_O = 150 mA,
V_O
V_S = 9V (pin 3)
1.0
V
Pin 3
I_O
0.1
mA
R_L
60
Ω
First bright phase
t_on
10
ms
R₁
6.8
510
kΩ
C₁
47
µF
Normal flashing, basic frequency f₁ not
including the tolerance of the external
∆f₁
–5
components R₁ and C₁
+5
%
Basic frequency f₁
∆f₁
47
53
%
Control frequency f₂
∆f₂
37
45
%
Lamp outage
f₂
2.15 × f₁
2.3 × f₁
Hz
V_S = 15V (pin 7)
V_S = 9V
V_S = 12V
V_R3
85
91
97
mV
V_R3
66
71
76
mV
V_R3
76
81
87
mV
49a to GND
R_p
2
5
kΩ
P_L
10
W
6 U2043B
4720B–AUTO–09/05