L2044

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R121-001.C



ABSOLUATE MAXIUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage, 1 min, pins 5, 9 and 12

24

V

Junction Temperature

+125

°C

Operating Temperature

-20~ +85

°C

Storage Temperature

-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

SYMBOL

RATINGS

UNIT

Junction to Ambient

DIP-14

90

°C/W

SOP-14

120



PARAMETER

SYMBOL TEST CONDITIONS

MIN

TYP

MAX UNIT

Supply Voltage Range

Pins 5, 9, 12

8

18

V

Saturation Voltage

1.0

V

1.2

Clamping Voltage

25.0

27.5

30.0

V

Relay output overvoltage detection (relay disabled)

18

20

22

V

Control signal threshold

70.6

mV

85.5

93.0

Output current for relay driver

Pins 11, 13

300

mA

Relay output reverse current

Pins 11, 13

0.1

mA

Supply current, switches open

Pins 5, 9, 12

10

μA

Relay coil resistance

Ω

Start delay

First bright phase

10

ms

Tolerance of control signal threshold

-6

+6

%

Temperature coefficient of control signal Threshold

10

μV/K



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Frequency determining resistor

6.8

510

kΩ

Frequency determining capacitor

47

μF

Frequency tolerance

△

-5

+5

%

Bright period

△

47

53

%

△

37

45

Frequency increase

Lamp failure

Hz

Lamp load

1

W