U2044B TEMIC Semiconductors, U2044B Datasheet - Page 4

• Manufacturer Part Number: U2044B
• Description: Dual Output Flasher
• Manufacturer: TEMIC Semiconductors

Electrical Characteristics
Typical values under normal operation in application circuit figure 1, V
Reference point ground (–31), T
Tolerances
V
U2044B
Supply voltage range
Supply current,
switches open
Output current for relay
driver
Saturation voltage
Relay coil resistance
Relay output,
reverse current
Start delay
(first bright phase)
Control signal threshold
Tolerance of control signal
threshold
Temperature coefficient of
control signal threshold
Clamping voltage
Relay output overvoltage
detection (relay disabled)
Frequency determining
resistor
Frequency determining
capacitor
Frequency tolerance
(normal flashing basic fre-
quency f
tolerance of the external
components R
Bright period (basic fre-
quency f
Bright period
(control frequency f
Frequency increase
(lamp failure)
Lamp load
4 (6)
S
= 9 to 18 V, T
Parameters
Parameters
1
1
)
not including the
1
and C
amb
2
= –40 to +100 C
)
1
)
R
V
V
V
V
V
V
T
V
T
T
amb
amb
amb
amb
L
S
S
S
S
S
S
S
Test Conditions / Pins
= 82
Test Conditions / Pins
= 8 V
= 12 V
= 9 V
= 13.5 V
= 16 V
= 9 to 16 V, Pin 8
= 13.5 V
= 25 C, unless otherwise specified.
= –40 to +100 C
= –40 to +100 C
= –40 to +100 C
W
Pins 5, 9, 12
Pins 5, 9, 12
Pins 11, 13
Pins 11, 13
Pins 11, 13
Pin 8
Pin 8
Symbol
Symbol
D
V
V
t
D
D
V
V
R
V
T
R
C
P
I
I
ON
I
f
O
O
F
S
12
12
f
f
2
O
K
L
S
L
S
1
1
1
2
1
S
(+30) = 12 V.
2.15
Min.
Min.
25.0
6.8
60
–6
18
–5
47
37
8
1
f
1
TELEFUNKEN Semiconductors
Typ.
70.6
85.0
93.0
27.5
Typ.
10
20
2.3
Max.
Max.
Rev. A1, 25-Feb-97
30.0
300
510
1.0
1.2
0.1
+6
+5
18
10
10
22
47
53
45
f
1
m
Unit
Unit
mA
mA
mV
mV
mV
m
k
ms
V/K
m
Hz
%
%
%
%
W
V
V
V
W
V
V
W
A
F