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PDF L16B45 Data sheet ( Hoja de datos )
| Número de pieza | L16B45 | |
| Descripción | 16-BIT CONSTANT CURRENT LED SINK DRIVER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
L16B45
Preliminary
16-BIT CONSTANT CURRENT
LED SINK DRIVER
DESCRIPTION
The UTC L16B45 is designed for LED displays. UTC L16B45
contains a serial buffer and data latches which convert serial input
data into parallel output format. At UTC L16B45 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 L16B45 provides users with great flexibility and device
performance while using UTC L16B45 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 L16B45 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: ±3% (typ.),
between ICs: ±6% (typ.)
* Output current adjusted through an external resistor
* Fast response of output current, OE (min.): 300ns @ VDD=3.3V
* 25MHz clock frequency
* Schmitt trigger input
* 3.3V, 5V supply voltage
ORDERING INFORMATION
Ordering Number
L16B45G-S24-R
Package
SOP-24
CMOS IC
SOP-24 (300 mil)
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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L16B45
Preliminary
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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L16B45
Preliminary
CMOS IC
EQUIVALENT CIRCUITS OF INPUTS AND OUTPUTS
OE terminal
VDD
LE terminal
VDD
IN IN
CLK, SDI terminal
VDD
IN
SDO terminal
VDD
OUT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet L16B45.PDF ] | |
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