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L2044_15 Datasheet, PDF (4/5 Pages) Unisonic Technologies – DUAL OUTPUT FLASHER
L2044
LINEAR INTEGRATED CIRCUIT
 ABSOLUATE MAXIUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage, 1 min, pins 5, 9 and 12
VCC
24
V
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
-20~ +85
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
 THERMAL DATA
PARAMETER
Junction to Ambient
DIP-14
SOP-14
SYMBOL
θJA
RATINGS
90
120
UNIT
°C/W
 ELECTRICAL CHARACTERISTICS (VCC = 12V, TA =25°C, unless otherwise specified.)
PARAMETER
Supply Voltage Range
Saturation Voltage
Clamping Voltage
Relay output overvoltage detection (relay disabled)
Control signal threshold
Output current for relay driver
Relay output reverse current
Supply current, switches open
Relay coil resistance
Start delay
Tolerance of control signal threshold
Temperature coefficient of control signal Threshold
SYMBOL TEST CONDITIONS
VCC Pins 5, 9, 12
VOUT
VCC=8V, RL=82Ω
VCC=12V, RL=82Ω
V12 Ta= -20°C ~ 85°C
V12 Ta= -20°C ~ 85°C
VCC=9V
VCC VCC=13.5V
VCC=16V
IOUT Pins 11, 13
IOUT Pins 11, 13
ICC Pins 5, 9, 12
RL
tON First bright phase
TCVO
VCC=9V~16V, Pin 8,
TA= -20°C ~ 85°C
VCC=13.5V, Pin 8
 TOLERANCES (VCC = 12V, TA =25°C, unless otherwise specified.)
MIN
8
25.0
18
-6
TYP
27.5
20
70.6
85.5
93.0
10
MAX
18
1.0
1.2
30.0
22
UNIT
V
V
V
V
mV
300 mA
0.1 mA
10 μA
Ω
10 ms
+6 %
μV/K
PARAMETER
Frequency determining resistor
Frequency determining capacitor
Frequency tolerance
Bright period
Frequency increase
Lamp load
SYMBOL
TEST CONDITIONS
R1
C1
△f1
Normal flashing, basic frequency f1
excluding the tolerance of R1 and C1
△f1 Basic frequency f1
△f2 Control frequency f2
f2
Lamp failure
PL
MIN TYP MAX UNIT
6.8
510 kΩ
47 μF
-5
+5 %
47
37
2.15×f1
1
53
45
%
2.3×f1 Hz
W
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 5
QW-R121-001.C