U2044B-FP データシートの表示（PDF） - Atmel Corporation
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U2044B-FP Datasheet PDF : 6 Pages
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U2044B
Electrical Characteristics
Typical values under normal operation in application circuit figure 1, VS (+30) = 12 V.
Reference point ground (–31), Tamb = 25°C, unless otherwise specified.
Parameters
Test Conditions / Pins Symbol Min. Typ.
Supply voltage range
Pins 5, 9, 12 VS
8
Supply current, switches open
Pins 5, 9, 12
IS
Output current for relay driver
Pins 11, 13 IO
Saturation voltage
RL = 82 W Pins 11, 13
VS = 8 V
VO
VS = 12 V
Relay coil resistance
RL
60
Relay output,
reverse current
Pins 11, 13
IO
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)
VS = 9 V
VS = 13.5 V
VS = 16 V
Pin 8
VS = 9 to 16 V, Pin 8
Tamb = –40 to +100°C
VS = 13.5 V Pin 8
Tamb = –40 to +100°C
Tamb = –40 to +100°C
tON
VS
70.6
85.0
93.0
–6
TK
10
V12 25.0
27.5
V12
18
20
Tolerances
tVS = 9 to 18 V, Tamb = –40 to +100°C
Parameters
Test Conditions / Pins
Frequency determining
resistor
Frequency determining
capacitor
Frequency tolerance
(normal flashing basic fre-
quency f1 not including the
tolerance of the external
components R1 and C1)
Bright period (basic fre-
quency f1)
Bright period
(control frequency f2)
Frequency increase
(lamp failure)
Lamp load
Symbol Min.
Typ.
R1
6.8
C1
Df1
–5
DF1
47
Df2
37
f2
2.15 f1
PL
1
Max.
18
10
300
1.0
1.2
0.1
10
+6
30.0
22
Unit
V
mA
mA
V
V
W
mA
ms
mV
mV
mV
%
mV/K
V
V
Max. Unit
510
kW
47
mF
+5
%
53
%
45
%
2.3 f1 Hz
W
4 (6)
Rev. A4, 03-Apr-01
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