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IS31BL3555-ZLS4 PDF预览

IS31BL3555-ZLS4

更新时间： 2024-11-11 19:58:23
品牌 Logo 应用领域
美国芯成 - ISSI 驱动光电二极管接口集成电路
页数 文件大小 规格书
25页 856K
描述
LED Driver,

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IS31BL3555-ZLS4 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：TSSOP-16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：8 weeks风险等级：5.7
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G16
长度：5 mm功能数量：1
区段数：4端子数量：16
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED座面最大高度：1.2 mm
最大供电电压：40 V最小供电电压：4.75 V
标称供电电压：12 V表面贴装：YES
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
最小 fmax：1 MHzBase Number Matches：1

IS31BL3555-ZLS4 数据手册

 浏览型号IS31BL3555-ZLS4的Datasheet PDF文件第2页浏览型号IS31BL3555-ZLS4的Datasheet PDF文件第3页浏览型号IS31BL3555-ZLS4的Datasheet PDF文件第4页浏览型号IS31BL3555-ZLS4的Datasheet PDF文件第5页浏览型号IS31BL3555-ZLS4的Datasheet PDF文件第6页浏览型号IS31BL3555-ZLS4的Datasheet PDF文件第7页 
IS31BL3555  
2 CHANNELS, 200MA BOOST LED BACKLIGHT DRIVER  
Preliminary Information  
September 2017  
GENERAL DESCRIPTION  
FEATURES  
The IS31BL3555 is a step-up controller with an  
integrated switching FET for driving white LED arrays  
in LCD panel backlight applications. The boost  
controller is a current mode, fixed frequency  
architecture with the switching frequency set by an  
external resistor. The integrated boost controller  
generates the minimum output voltage to keep all  
LEDs illuminated at the set current. The current in  
each of the 2 channels is programmed to a specific  
value with an external current set resistor and  
matched to within 1%.  
is 4.75V to 40V  
Input voltage range  
Excellent input voltage transient response  
Sync function to synchronize boost converter  
switching frequency up to 1MHz  
Single resistor primary OVP minimizes VOUT  
leakage  
Fully integrated LED current sinks and boost  
converter up to 55V  
LED current of 200mA per channel  
1% LED to LED matching accuracy  
Internal secondary OVP for redundant protection  
Drives up to 12 series LEDs in 2 parallel strings  
10000:1 PWM dimming at 100Hz  
LED dimming is achieved using an external digital  
PWM signal to either adjust the internal ISET current  
or pulse-width-modulate the LED intensity. The LED  
sinks have a fast response to a PWM input making it  
possible to achieve a high contrast ratio of 10,000:1.  
PWM and analog dimming inputs  
Built-in protection features  
:
- Shorted FSET or ISET resistor  
- Open or shorted LED  
- Open boost Schottky  
A synchronization pin can be used to synchronize  
multiple IS31BL3555 devices or to synchronize with  
the external PWM source in the range of 580kHz to  
1MHz.  
- Overtemperature (OTP)  
The IS31BL3555 integrates protection features  
including output overvoltage, open or shorted diode,  
open or shorted LED, shorted FSET or ISET resistor,  
and IC over temperature. A dual level cycle-by-cycle  
current limit function provides soft start and protects  
the internal current switch against high current  
overloads.  
APPLICATIONS  
LCD monitor  
LCD display module  
LCD TV  
Car infotainment  
Cluster  
The IS31BL3555 is available in a thermally enhanced  
eTSSOP-16 package.  
Integrated Silicon Solution, Inc. – www.issi.com  
1
Rev. 0A, 09/08/2017  
1234567...25

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