U643B-MFPG3Y Atmel, U643B-MFPG3Y Datasheet - Page 2

• Manufacturer Part Number: U643B-MFPG3Y
• Description: IC FLASHER 30M OHM SHUNT 8-SOIC
• Manufacturer: Atmel
• Type: Automotive, Flasherr

Specifications of U643B-MFPG3Y

• Current - Supply: 7mA
• Current - Output: 100µA
• Voltage - Supply: 9 V ~ 15 V
• Operating Temperature: -40°C ~ 95°C
• Package / Case: SO-8
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2. Block Diagram
Figure 2-1.
2
U643B
R
C
1
1
Car Flasher Application Circuit, Resistor R
Polarity: 0.5W
4
5
generator
Pulse
Measuring comparator K
49 a-Comparator K
49 a-Comparator K
K
K
K
2
1
3
V
6
-81 mV
20 k
2
3
20 k
20 k
1
6
5 k
5 k
IC Ground
1
23 V
and R
2
1
2
7
3
8
: 0.25W; R
1.5...2.2 k
470
Relay
R
R
2
4
4
for Protection Against Continuous Reversed
GND
- 31
5 W
21 W
21 W
Shunt
Indicator lamps
R
3
30 m
49 a
21 W 21 W 5 W
4727B–AUTO–09/05
+ V
+ 49
S