L16B45AG-R24-R datasheet(1/12 Pages) UTC

Teilenummer	L16B45AG-R24-R

Bauteilbeschribung	Schmitt trigger input

PDF	12 Pages

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Hersteller	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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UNISONIC TECHNOLOGIES CO., LTD

L16B45A

Preliminary

CMOS IC

www.unisonic.com.tw

1 of 12

QW-R102-071.a

16-BIT CONSTANT CURRENT

LED SINK DRIVER



DESCRIPTION

The UTC L16B45A is designed for LED displays. UTC

L16B45A

contains a serial buffer and data latches which convert

serial input data into parallel output format. At UTC L16B45A

output stage, sixteen regulated current ports are designed to

provide uniform and constant current sinks for driving LEDs within

a large range of Vf variations.

UTC L16B45A provides users with great flexibility and device

performance while using UTC L16B45A in their system design for

LED display applications, e.g. LED panels. Users may adjust the

output current from 3mA to 45mA through an external resistor, Rext,

which gives users flexibility in controlling the light intensity of LEDs.

UTC L16B45A guarantees to endure maximum 17V at the output

port. The high clock frequency, 25MHz, also satisfies the system

requirements of high volume data transmission.



FEATURES

* 16 constant-current output channels

* Constant output current invariant to load voltage change：

Constant output current range:

3~45mA @ VDD=5V

3~30mA @ VDD=3.3V

* Excellent output current accuracy:

between channels: ±2.5% (max.),

between ICs: ±3.0% (max.)

* Output current adjusted through an external resistor

* Fast response of output current, OE (min.): 70ns @ VDD=3.3V

* 25MHz clock frequency

* Schmitt trigger input

* 3.3V/5V supply voltage

* Halogen Free



ORDERING INFORMATION

Ordering Number

Package

Packing

L16B45AG-R24-R

SSOP-24

Tape Reel

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