Datasheet

UNISONIC TECHNOLOGIES CO., LTD
UU6043B
LINEAR INTEGRATED CIRCUIT
FLASHER IC WITH 18mΩ
SHUNT

DESCRIPTION
DIP-8
The UTC UU6043B is a miconductor integrated circuit
designed for relay-controlled automotive flashers where a high
level EMC is required.
Lamp outage is indicated by frequency doubling during hazard
warning as well as direction mode.

FEATURES
SOP-8
* Temperature and supply voltage compensated frequency
* Warning indication of lamp failure by means of frequency
doubling
* Relay driver output with high current carrying capacity and low
saturation output
* Minimum lamp load for flasher operation: ≥ 1 W
* Very low susceptibility to EMI
■
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UU6043BL-D08-T
UU6043BG-D08-T
UU6043BG-S08-R

Package
Packing
DIP-8
SOP-8
Tube
Tape Reel
MARKING
DIP-8
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Copyright © 2015 Unisonic Technologies Co., Ltd
SOP-8
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UU6043B

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PIN CONFIGURATION
GND
1
8
SI
VS
2
7
LD
REL
3
6
VS
OSC 4
5
OSC
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8

LINEAR INTEGRATED CIRCUIT
PIN NAME
GND
VS
REL
OSC
OSC
VS
LD
SI
DESCRIPTION
IC ground
Supply voltage
Relay driver
C1 Oscillator
R1 Oscillator
Supply voltage, Sense
Lamp outage detection
Start input (49a)
BLOCK DIAGRAM
VS
6
OSC 4
K1
V6-49 mV
20kΩ
VS
2
5kΩ
7 LD
K2
Pulse
generator
3 REL
20kΩ
OSC 5
8 SI
K3
23V
20kΩ
5kΩ
IC Ground
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1 GND
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UU6043B

LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING
Reference point Pin 1
PARAMETER
Supply Voltage
RATINGS
UNIT
16.5
V
tP= 0.1 ms
1.5
A
Surge Forward Current
IFSM
tP= 300 ms
1.0
A
tP = 300 ms
50
mA
Output Current
IO
0.3
A
TA=95°C
340
mW
Power Dissipation
PD
TA=60°C
560
mW
Ambient Temperature Range
TA
-40~+95
°C
Junction Temperature Range
TJ
150
°C
Storage Temperature Range
TSTG
-55~+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.

Pin 2 and 6
Pin 2 and 6
Pin 2 and 6
Pin 8
Pin 3
THERMAL DATA
PARAMETER
Junction to Ambient (Note)

SYMBOL
VS
SYMBOL
DIP-8
SOP-8
θJA
RATINGS
110
160
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
Typical values under normal operation in application circuit (see Figure 1), VS (+49, Pin 2 and 6)=12V. Reference
point ground (-31), TA=25°C, unless otherwise specified.
PARAMETER
Supply Voltage Range
Supply Current
Relay Control Output:
Saturation Voltage Reverse Current
Start Delay (Delay Time)
Frequency Tolerance
Bright Period
Frequency Increase
Control Signal Threshold
Leakage Resistance
Lamp Load
SYMBOL
TEST CONDITIONS
VS
Pin 2 and 6
Dark phase, Pin 2 and 6
IS
Bright phase, Pin 2 and 6
VO
Pin 3
IO=150mA, VS=9V
IO
ton
First bright phase
∆f1
Normal flashing
∆f1
Basic frequency f1
∆f2
Control frequency f2
f2
Lamp outage
VS=15V, Pin 7
VRS
VS=9V, Pin 7
VS=12V, Pin 7
RP
49A to GND
PL
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
9
TYP
4.5
7.0
-5
50
43
47
1
60
46
1.8 ×f1
53
45
49
4
MAX
15
8
11
1.0
0.1
10
+5
57
47
51
5
UNIT
V
mA
mA
V
mA
ms
%
%
%
Hz
mV
mV
mV
kΩ
W
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UU6043B

LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
+VS
6
+49
2
R3 Shunt
18mΩ
C1
4
K1
V6-49 mV
20kΩ
5kΩ
7
K2
Pulse
generator
R1
3
Relay
20kΩ
5
R2
8
1.5, 2.2kΩ
K3
49 a
23V
20kΩ
5kΩ
IC Ground
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
1
R4
470Ω
5W 21W 21W
21W 21W 5W
Indicator lamps
GND
-31
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UU6043B

LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS
CH1: 2V/div
CH1: 2V/div
VCC=12V, C1=47uF, R1=6.8K, TA=25°C
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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