DM134B ETC, DM134B Datasheet - Page 2

• Manufacturer Part Number: DM134B
• Description: 16 BIT Constant Current LED Drivers WITH 3.3v-5v Supply Voltage
• Manufacturer: ETC

DM134B、 、 、 、 DM135B
General Description
Features
16-Bit Constant Current LED Drivers
3.3V~5V CMOS Compatible Input
Maximum Clock Frequency: 25MHz (Cascade Operation)
Maximum Output Voltage:
Package:
Package and Pin Layout:
Constant Current Matching: (Ta = 25 C、V
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.
點晶科技股份有限公司
點晶科技股份有限公司
點晶科技股份有限公司
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
16-Bit Constant Current LED Drivers with
3.3v ~ 5v Supply Voltage
DM134B: 4.0% @ I
17V
DIP24, SOP24, SSOP24, QFN32
Pin layout and functionality are similar to those of the ST2221C.
(Each characteristic value is different.)
Chip-to-Chip:
Bit-to-Bit:
DM135B: 4.0% @ I
Preliminary
6.0% @ I
6.0% @ I
DD
10.0%
= 5.0V)
-1-
OUT
OUT
OUT
OUT
= 30 ~ 90mA
= 20 ~ 30mA
= 5 ~ 20mA
= 20 ~ 60mA
DM134B 、 、 、 、 DM135B
Version ： ： ： ： A.001