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DM11H Datasheet Preview

DM11H Datasheet

8-Channel Constant Current LED Driver

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DM11H pdf
DM11H
Version
Issue Date
File Name
Total Pages
: PRE.002
: 2009/10/13
: SP-DM11H-PRE.002.doc
: 23
8-Channel Constant Current LED Driver
with Error Detection
新竹市科學園區展業一路 9 號 7 樓之 1
SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel886-3-5645656 Fax886-3-5645626



SiTi
SiTi

DM11H Datasheet Preview

DM11H Datasheet

8-Channel Constant Current LED Driver

No Preview Available !

DM11H pdf
DM11H
DM11H
8-Channel Constant Current LED Driver
With Error Detection
General Description
DM11H is a 8-channel 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 of each channel is set by a
single external resistor. Overall output currents can be adjusted by a 7-bit serial shift-in data.
Its built-in LED open/short detection, output channels short to GND detection help users to
detect LED failures, outputs short. The thermal alarm and shutdown functions provide the
over-temperature protection.
Features
z 8-Channel Constant-current outputs: 5mA to 90mA adjustable by one external resistor
z Maximum output voltage: 17V
z Maximum cascade clock frequency: 25MHz
z 7-bit linear global brightness control
z Built-in LED open/short detection: Real-time detection or Smart detection
z Built-in Outputs short to GND detection: Real-time or Smart detection
z Fast detecting response: 100ns (min.)
z Over temperature protection:
Alarm (junction temperature > 130°C)
Shutdown (junction temperature > 170°C)
z Sleep mode (sleep current : <5uA)
z In-rush current control
z Schmitt trigger input
z Power supply voltage: 3.0V to 5.5V
z Package pin assignment compatible to conventional LED drivers (DM114B/115B,DM11C)
Applications
z LED Variable Message Signs (VMS) System
z Indoor/Outdoor LED Video Display
Packages
SOP16, SSOP16
8-bit Constant Current LED Driver with Error Detection
Version:PRE.002
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 1


Part Number DM11H
Description 8-Channel Constant Current LED Driver
Maker SiTi
Total Page 23 Pages
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