U6433B_05 Datasheet, PDF (6/8 Pages) ATMEL Corporation – Flasher, 18-m Shunt, Frequency Doubling Disabling

6. Electrical Characteristics
Typical values under normal operation of the application circuit shown in Figure 1-1 on page 2, V_S = 12V (pins 2 and 6).
T_amb = 25°C, reference point ground (–31), unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Supply voltage range
Pins 2 and 6
V_S
9
16.5
V
Supply current, dark phase
Pins 2 and 6
I_S
4.5
8
mA
Supply current, bright phase
Pins 2 and 6
I_S
7.0
11
mA
Relay output, saturation voltage
I_O = 150 mA,
V_S = 9V, pin 3
V_O
1.0
V
Relay output reverse current
Pin 3
I_O
0.1
mA
Relay coil resistance
R_L
60
Ω
Start delay
First bright phase
t_on
10
ms
Frequency determining resistor
R₁
6.8
510
kΩ
Frequency determining capacitor
C₁
47
µF
Frequency tolerance
Normal flashing, basic frequency f₁ not
including the tolerances of the external
∆f₁
–5
components R₁ and C₁
+5
%
Bright period
Basic frequency f_1, V_S = 9V to 15V
∆f₁
47
53
%
Bright period
Control frequency f_2, V_S = 9V to 15V
∆f₂
37
45
%
Frequency increase
Lamp failure, V_S = 9V to 15V
f₂
2.15 × f₁
2.3 × f₁
Hz
Control signal threshold 1
V_S = 15V, pin 7
V_S = 9V
V_S = 12V
50
53
57
V_R3
43
45
47
mV
47
49
51
Control signal threshold 2
V_R3
2
10
mV
Leakage resistance
49a to GND
R_p
5
kΩ
Lamp load
P_L
1
W
6 U6433B
4810B–AUTO–10/05