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MBI5028

Macroblock
Part Number MBI5028
Manufacturer Macroblock
Description 16-bit Constant Current LED Sink Driver
Published May 13, 2015
Detailed Description Macroblock Preliminary Datasheet MBI5028 16-bit Constant Current LED Sink Driver with Gain Control Features · 16 con...
Datasheet PDF File MBI5028 PDF File

MBI5028
MBI5028

Overview
Macroblock Preliminary Datasheet MBI5028 16-bit Constant Current LED Sink Driver with Gain Control Features · 16 constant-current output channels · Output current adjustable through an external resistor · Output current gain programmable for White Balance · Constant output current range: 5-90 mA · Excellent output current accuracy: between channels: ±3% (max.
), and between ICs: ±6% (max.
) · Constant output current invariant to load voltage change · Fast response of output current, OE (min.
): 200 ns · 25MHz clock frequency · Schmitt trigger input · 5V supply voltage MMBBI5I5002186CCNNSS MMBBII55002186CCFF MMBBI5I5001268CCPP Current Accuracy Between Channels Between ICs < ±3% < ±6% Conditions IOUT = 10 mA ~ 60 mA ÓMacroblock, Inc.
2003 Floor 6-4, No.
18, Pu-Ting Rd.
, Hsinchu, Taiwan 30077, ROC.
TEL: +886-3-579-0068, FAX: +886-3-579-7534 E-mail: info@mblock.
com.
tw -1- MBI5028 16-bit Constant Current LED Sink Driver with Gain Control Product Description MBI5028 succeeds MBI5026 and is designed for LED displays with Gain Control extension.
MBI5028 exploits PrecisionDrive™ technology to enhance its output characteristics.
MBI5028 contains a serial buffer and data latches, which convert serial input data into parallel output format.
At MBI5028 output stage, sixteen regulated current ports are designed to provide constant current sinks for driving LEDs within a wide range of Vf variations.
MBI5028 provides users with great flexibility and device performance while using MBI5028 in their LED panel system design.
Users may adjust the output current from 5 mA to 90 mA through an external resistor Rext, which gives users flexibility in controlling the light intensity of LEDs.
MBI5028 guarantees to endure maximum 17V at the output port.
The high clock frequency, 25 MHz, also satisfies the system requirements of high volume data transmission.
MBI5028 also exploits Share-I-O™ technology and is backward compatible with MBI5026 in both electrical characteristics and pac...


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