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參數資料
| 型號： | DM135B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | LED驅動器 |
| 英文描述： | 16 BIT CONSTANT CURRENT LED DRIVERS WITH 3.3V-5V SUPPLY VOLTAGE |
| 中文描述： | 16位恒流LED驅動與3.3V - 5V供電電壓 |
| 文件頁數： | 2/19頁 |
| 文件大小： | 255K |
| 代理商： | DM135B |
DM134B
、
DM135B
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
16-Bit Constant Current LED Drivers
-
1
-
Version
：
A.001
Preliminary
DM134B
、
DM135B
16-Bit Constant Current LED Drivers with
3.3v ~ 5v Supply Voltage
General Description
The DM134B
、
DM135B are constant current drivers specifically designed for LED display
applications. The value of constant current can be varied using an external resistor. The devices
include a 16-bit shift register, latches, and constant current drivers on a single Silicon CMOS
chip.
Features
3.3V~5V CMOS Compatible Input
Maximum Clock Frequency: 25MHz (Cascade Operation)
Maximum Output Voltage: 17V
Package:
Package and Pin Layout:
DIP24, SOP24, SSOP24, QFN32
Pin layout and functionality are similar to those of the ST2221C.
(Each characteristic value is different.)
Constant Current Matching: (Ta = 25
°
C
、
V
DD
= 5.0V)
Chip-to-Chip:
±
10.0%
Bit-to-Bit:
DM134B:
±
4.0% @ I
OUT
= 30 ~ 90mA
±
6.0% @ I
OUT
= 20 ~ 30mA
DM135B:
±
4.0% @ I
OUT
= 20 ~ 60mA
±
6.0% @ I
OUT
= 5 ~ 20mA
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