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UTC

U2043 Datasheet Preview

U2043 Datasheet

LINEAR IC

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UNISONIC TECHNOLOGIES CO., LTD
U2043
LINEAR INTEGRATED CIRCUIT
FLASHER, SHUNT, PILOT
LAMP TO GND OR VBATT
DESCRIPTION
The UTC U2043 is designed to use in relay-controlled automotive
flashers where a high EMC level is required. A lamp outage is
indicated by frequency doubling during hazard mode as well as
direction mode. The pilot lamp can be connected either to VBatt or
GND.
DIP-8
FEATURES
*Temperature and voltage compensated frequency
*Warning indication of lamp failure by means of frequency doubling
* Minimum lamp load for flasher operation 10 W
*Relay output with high current carrying capacity and low saturation
voltage
*Low susceptibility to EMI
SOP-8
ORDERING INFORMATION
Note:
Order Number
Lead Free
Halogen Free
U2043L-D08-T
U2043G-D08-T
U2043L-S08-R
U2043G-S08-R
Pin Assignment: G: Gate D: Drain S: Source
Package
DIP-8
SOP-8
U2043G-D08-T
(1)Packing Type
(1) T: Tube, R: Tape Reel
(2)Package Type
(2) D08: DIP-8, S08: SOP-8
Packing
Tube
Tape Reel
(3)Green Package
(3) G: Halogen Free and Lead Free, L: Lead Free
MARKING
87 6 5
UTC
U2043
1 2 34
Date Code
L: Lead Free
G: Halogen Free
Lot Code
www.unisonic.com.tw
Copyright © 2020 Unisonic Technologies Co., Ltd
1 of 4
QW-R121-008.F




UTC

U2043 Datasheet Preview

U2043 Datasheet

LINEAR IC

No Preview Available !

U2043
PIN CONFIGRATION
GND 1
VSS 2
REL 3
OSC 4
LINEAR INTEGRATED CIRCUIT
8 SI
7 LD
6 VSS
5 OSC
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
SYMBOL
GND
VSS
REL
OSC
OSC
VSS
LD
SI
IC ground
Supply voltage, VSS - Power
Relay control output (driver)
Oscillator (C1)
Oscillator (R1)
Supply voltage, Sense
Lamp failure detection
Start input (10a)
DESCRIPTION
BLOCK DIAGRAM AND APPLICATION CIRCUIT
C1
4
6
Measuring comparator
K1 V6-VR3
2
7
+ VSS
+10
R3
Shunt
29 mΩ
Pilot lamp
5W
Pulse
R1 generator
3.8 kΩ
K3 V6-5V
5
10aComparator
3
K2
8
23V
IC Ground
1
Relay
R2
3.3 kΩ
R1
100 Ω
GND
11
10A
5W 21W 21W
21W 21W 5W
Indicator lamps
Pilot lamps
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4
QW-R121-008.F


Part Number U2043
Description LINEAR IC
Maker UTC
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U2043 Datasheet PDF






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