U6043B_05 Datasheet, PDF (5/8 Pages) ATMEL Corporation – Flasher IC with 18-mOHM Shunt

U6043B
5. Absolute Maximum Ratings
Reference point Pin 1
Parameters
Symbol
Value
Unit
Supply voltage
Pin 2 and 6
V_S
16.5
V
Surge Forward Current
t_P = 0.1 ms
Pin 2 and 6
I_FSM
1.5
A
t_P = 300 ms
Pin 2 and 6
I_FSM
1.0
A
t_P = 300 ms
Pin 8
I_FSM
50
mA
Output current
Pin 3
I_O
0.3
A
Power Dissipation
T_amb = 95° C
DIP8
P_tot
420
mW
SO8
P_tot
340
mW
T_amb = 60° C
DIP8
P_tot
690
mW
SO8
P_tot
560
mW
Junction temperature
T_J
150
°C
Ambient temperature range
T_amb
-40 to +95
°C
Storage temperature range
T_stg
-55 to +150
°C
6. Thermal Resistance
Parameters
Junction ambient
DIP8
SO8
Symbol
R_thJA
R_thJA
Value
110
160
Unit
K/W
K/W
7. Electrical Characteristics
Typical values under normal operation in application circuit (see Figure 2-1), V_S (+49, Pin 2 and 6) = 12 V.
Reference point ground (-31), T_amb = 25°C, unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
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
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 f₁
Control frequency f₂
Lamp outage
V_S = 15 V, Pin 7
V_S = 9 V, Pin 7
V_S = 12 V, Pin 7
49a to GND
V_S
9
15
V
I_S
4.5
8
mA
I_S
7.0
11
mA
V_O
1.0
V
I_O
0.1
mA
t_on
10
ms
∆f₁
-5
+5
%
∆f₁
47
∆f₂
37
53
%
45
%
f₂
2.15 × f₁
2.3 × f₁
Hz
V_Rs
50
53
57
mV
V_Rs
43
45
47
mV
V_Rs
47
49
51
mV
R_P
4
5
kΩ
P_L
1
W
5
4726B–AUTO–11/05