TEMIC Semiconductors U2043B
U2043B is used in relay controlled automotive flashers where a high EMC level is required.- Max Operating Temp : 95°C
- Min Operating Temp : -40°C
Source:
Octopart
DESCRIPTION
The integrated circuit A lamp outage is indicated by frequency doubling during hazard mode as well as direction mode. Pilot lamp can be connected either to VBatt or GND.FEATURES
D Temperature and voltage compensated frequency D Warning indication of lamp failure by means of frequency doubling D Relay output with high current carrying capacity and low saturation voltage D Minimum lamp load for flasher operation w 10 W Package DIP8 SO8 D Low susceptibility to EMI Ordering Information Extended Type Number U2043B U2043B–FP Remarks Block Diagram + VS + 49 6 C1 Measuring comparator 4 K 1 V 6–81 mV 7 Pilot lamp Pulse generator 3.8 k W 8 K 3 V –5 V 6 49 a–Comparator 23 V 1 IC Ground 13283 2 R3 Shunt 30 m W 5W R1 3 Relay R2 3.3 k W 49 a 5 R1 100 W GND – 31 5 W 21 W 21 W 21 W 21 W 5 W Indicator lamps Pilot lamps Figure 1. TELEFUNKEN Semiconductors Rev. A2, 25-Feb-97 1 (6) U2043B PinDESCRIPTION
Pin 1 2 3 4 5 6 7 8 Symbol GND VS REL OSC OSC VS LD SI Function IC ground Supply voltage...