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L2044L-S14-R Datasheet(PDF) 1 Page - Unisonic Technologies |
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L2044L-S14-R Datasheet(HTML) 1 Page - Unisonic Technologies |
1 / 3 page UNISONIC TECHNOLOGIES CO., LTD L2044 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 Copyright © 2005 Unisonic Technologies Co., LTD QW-R121-001.A DUAL OUTPUT FLASHER DESCRIPTION The UTC L2044 is a dual output stages flasher designed as a relay driver for flashing light control in automotive applications. Both sides direction indicator input with only a small control current makes switch contacts for small loads possible. Each side of the vehicle is controlled separately. The construction of the hazard switch could be simplified due to hazard warning input is separate. The flasher will dramatically increase the flash frequency by a typical ratio of 2:1 if lamp fault is detected. The UTC L2044 can be directly connected to the battery due to extreme low current consumption FEATURES * Temperature and Supply Voltage Compensated Flashing Frequency * Frequency Doubling Indicates Lamp Fault. * Two Relay Driver Outputs with High Current-carrying Capacity and Low Saturation Voltage * Minimum Lamp Load for Flasher Operation: ≥ 1W * Very Low Sensitivity to EMI * Extremely Low Current Consumption<10μA ( at Switches Open) * Reverse Polarity Protection * Three Control Inputs: Left, Right and Hazard Warning *Pb-free plating product number: L2044L PIN DESCRIPTION PIN No. PIN NAME FUNCTION 1 OSC Oscillator 2 SIL Start input left 3 SIR Start input right 4 SIHW Start input hazard warning 5 VS VCC 6 CR1 Control input relay 1 7 CR2 Control input relay 2 8 LD Lamp failure detection 9 VS VCC 10 GND ground 11 OR1 Output relay 1 12 VS VCC 13 OR2 Output relay 2 14 OSC Oscillator ORDERING INFORMATION Order Number Normal Lead free Package Packing L2044-D14-T L2044L-D14-T DIP-14 Tube L2044-S14-R L2044L-S14-R SOP-14 Tape Reel L2044-S14-T L2044L-S14-T SOP-14 Tube |
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