Macroblock, Inc. 2003
Floor 6-4, No.18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.
info@mblock.com.tw- 1 -
Macroblock
Preliminary Datasheet
MBI5168
8-bit Constant Current LED Sink Driver
Features
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8 constant-current output channels
Constant output current invariant to load voltage change
Excellent output current accuracy:
between channels: <
±
3% (max.), and
between ICs: <
±
6% (max.)
Output current adjusted through an external resistor
Constant output current range: 5 -120 mA
Fast response of output current,
OE (min.): 200 ns @I
out
< 60mA
OE (min.): 400 ns @I
out
= 60~100mA
25MHz clock frequency
Schmitt trigger input
5V supply voltage
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Produc t Description
MBI5168 is designed for LED display applications. As an enhancement of its predecessor, MBI5001, MBI5168
exploits PrecisionDrive
technology to enhance its output characteristics. MBI5168 contains a serial buffer and
data latches, which convert serial input data into parallel output format. At MBI5168 output stage, eight regulated
current ports are designed to provide uniform and constant current sinks for driving LEDs within a large range of Vf
variations.
MBI5168 provides users with great flexibility and device performance while using MBI5168 in their system design
for LED display applications, e.g. LED panels. Users may adjust the output current from 5 mA to 120 mA through
an external resistor R
ext
, which gives users flexibility in controlling the light intensity of LEDs. MBI5168 guarantees
to endure maximum 17V at the output ports. The high clock frequency up to 25 MHz also satisfies the system
requirements of high volume data transmission.
Current Accuracy
Between Channels
Between ICs
Conditions
<
±
3%
<
±
6%
I
OUT
= 10 ~ 100 mA,
V
DS
= 0.8V
MBI5168CN
MBI5001CD
MBI5168CD
MBI5168CP
MBI5001CD
MBI5168CDW
SOP16-300-1.27 Weight
:
0.37g
SOP16-150-1.27 Weight
:
0.13g
P-DIP16-300-2.54 Weight
:
1.02g
SSOP16-150-0.64 Weight
:
0.07g