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Número de pieza | L16B06 | |
Descripción | 16-BIT CONSTANT CURRENT LED DRIVER | |
Fabricantes | Unisonic Technologies | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de L16B06 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
No Preview Available ! UNISONIC TECHNOLOGIES CO., LTD
L16B06
16-BIT CONSTANT CURRENT
LED DRIVER
CMOS IC
DESCRIPTION
The L16B06 is a constant-current sink driver specifically
designed for LED display applications. The device incorporates shift
registers, data latches, and constant current circuitry on the silicon
CMOS chip. The maximum output current value of all 16 channels is
adjustable by a single external resistor.
FEATURES
*Constant-current outputs: 3mA to 60mA adjustable by one external
resistor
*Maximum output voltage: 17V
*Maximum clock frequency: 25MHz
*Power supply voltage: 3.3V to 5V
*In-rush current control
*Bit-to-bit skew: ±3% Chip-to-chip skew: ±6%
*Package and pin assignment compatible to conventional LED
drivers
APPLICATIONS
*Indoor/Outdoor LED Video Display
*LED Variable Message Signs (VMS) System
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
L16B06L-R24-T
L16B06G-R24-T
L16B06L-R24-R
L16B06G-R24-R
Package
SSOP-24
SSOP-24
SSOP-24 (209mil)
Packing
Tube
Tape Reel
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
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1 page L16B06
CMOS IC
MAXIMUM RATINGS (TA=25C, TJ=150C)
CHARACTERISTIC
Supply Voltage
Input Voltage
Output Current
Output Voltage
Input Clock Frequency
Operating Temperature
Storage Temperature
SYMBOL
VDD
VIN
IOUT
VOUT
FDCK
TOPR
TSTG
RATING
-0.3 ~ 7.0
-0.3 ~ VDD+0.3
70
-0.3 ~ 17
25
-40 ~ 85
-55 ~ 150
UNIT
V
V
mA
V
MHz
C
C
RECOMMENDED OPERATING CONDITION
CHARACTERISTIC
Supply Voltage
Output Voltage
Output Voltage
Output Current
Input Voltage
SYMBOL
VDD
VOUT
VOUT
IO
VIH
VIL
CONDITION
Driver On
Driver Off
OUTn
VDD=3.3V ~ 5.5V
MIN
3.3
1.0
5
0.8×VDD
0.0
TYP
5.0
MAX
5.5
0.5×VDD
17
60
VDD
0.2×VDD
ELECTRICAL CHARACTERISTICS (VDD=5.0 V, TA=25C, unless otherwise specified)
UNIT
V
V
V
mA
V
CHARACTERISTIC
Input Voltage “H” Level
Input Voltage “L” Level
Output Leakage Current
Output Voltage (DAO)
Output Current Skew
(Channel-to-Channel)
Output Current Skew
(Chip-to-Chip)
Output Voltage Regulation
Supply Voltage Regulation
SYMBOL
VIH
VIL
IOL
VOL
VOH
IOL1
IOL2
% / VOUT
% / VDD
CONDITION
CMOS logic level
CMOS logics2 level
VOH=17V
IOL=1.5mA
IOH=1.4mA
VOUT=1.0V,
RREXT=2.2KΩ
RREXT =2.2KΩ,
VOUT=1V ~ 3V
RREXT =2.2KΩ
MIN
0.8×VDD
GND
VDD-0.2
TYP
MAX
VDD
0.2×VDD
±1
0.2
±3
UNIT
V
V
µA
V
V
%
±6 %
±0.1 ±0.5 %/V
±1 ±4
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 13
QW-R502-A45.a
5 Page L16B06
CMOS IC
OUTPUTS DELAY
Large in-rush currents will occur when the system activates all the outputs at once. To reduce this effect, L16B06
is designed to have a constant unit of delay (around 5ns) between outputs. The delay sequence for every output
goes like this: OUT0 (no delay) → OUT15 → OUT1 → OUT14 → OUT2 → OUT13 → OUT3 → OUT12 → OUT4 →
OUT11 → OUT5 → OUT10 → OUT6 → OUT9 → OUT7 → OUT8 (the largest delay).
GLOBAL BRIGHTNESS CONTROL
L16B06 has no built-in global brightness control feature. In order to obtain a lower resolution of global brightness
control effect, two methods could be utilized. One is providing PWM signal synchronized on latch pulse to modulate
the output enable terminal ( EN pin). The other is to adjust the RREXT value or voltage drop across the external
resistor. Please see the reference circuit below:
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
11 of 13
QW-R502-A45.a
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet L16B06.PDF ] |
Número de pieza | Descripción | Fabricantes |
L16B06 | 16-BIT CONSTANT CURRENT LED DRIVER | Unisonic Technologies |
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