U643B Datasheet - ATMEL Corporation

Flasher IC

U643B Features

* Temperature and Supply Voltage Compensated Flashing Frequency

* Frequency Doubling Indicates Lamp Outage

* Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage

* Minimum Lamp Load for Flasher Operation: ≥ 1W

* Very Low Susceptib

U643B General Description

The bipolar integrated circuit U643B is used in 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. U643B Rev. 4727B *AUTO *09/05 2. Block Diagram Figure 2-1. Car Fl.

U643B Datasheet (214.64 KB)

U643B Datasheet Preview — Preview of U643B PDF

Datasheet Details

Part number:

U643B

Manufacturer:

ATMEL Corporation

File Size:

214.64 KB

Description:

Flasher ic.

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U643B Flasher ATMEL Corporation

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U643B Features

U643B General Description

Datasheet Details

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Description:

U643B Distributor