UNISONIC TECHNOLOGIES CO., LTD

LL204

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

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Copyright © 2017 Unisonic Technologies Co., Ltd

QW-R121-012.C

DUAL OUTPUT FLASHER



DESCRIPTION

The UTC LL204 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 LL204 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

DIP-14

SOP-14



ORDERING INFORMATION

Ordering Number

Lead Free

Halogen Free

Package

Packing

LL204L-D14-R

LL204G-D14-R

DIP-14

Tube

LL204L-S14-R

LL204G-S14-R

SOP-14

Tape Reel



MARKING

DIP-14

SOP-14

UTC

LL204

2

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5

67

1

9

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11

12

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14

Date Code

Lot Code

8

L: Lead Free

G: Halogen Free