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IS31BL3508A-STLS2-TR PDF预览

IS31BL3508A-STLS2-TR

更新时间： 2024-11-11 20:10:59
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
13页 504K
描述
LED Driver,

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IS31BL3508A-STLS2-TR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：LSSOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：8 weeks风险等级：5.66
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G6
长度：2.92 mm功能数量：1
区段数：6端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED座面最大高度：1.25 mm
最大供电电压：5.5 V最小供电电压：2.7 V
标称供电电压：3.6 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

IS31BL3508A-STLS2-TR 数据手册

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IS31BL3508A  
1.0MHZ BOOST CONVERTER WITH 38V INTERNAL MOSFET SWITCH  
May 2013  
GENERAL DESCRIPTION  
FEATURES  
IS31BL3508A is a boost converter featuring an  
integrated MOSFET switch designed for driving series  
strings of LED or other device. Input operating voltage  
range is 2.7V~5.5V. The device regulates the LED load  
current is set using an external, low value sensing  
resistor. The device adjusts the PWM duty cycle of the  
switch to maintain the voltage at the FB pin at a value  
of 0.3V.  
Supply voltage: 2.7V~5.5V  
Built-in soft start  
Drive series strings of 10 LEDs or 3×8 LEDs  
PWM or DC voltage dimming  
Frequency of PWM is 500Hz ~ 500kHz  
1.0MHz high speed switching frequency  
0.3V feedback voltage  
Integrated high power MOSFET  
Over voltage protection  
The IS31BL3508A operates at a constant switching  
frequency of 1.0MHz to allow for small component size.  
IS31BL3508A features an over voltage shutdown pin  
which prevents the output voltage from exceeding 38V  
(typ.) in the case of an open circuit condition.  
-40°C ~ +85°C working temperature range  
TSOT-23-6 and SOT-23-6 package  
The device is offered in a TSOT-23-6 and SOT-23-6  
package and a temperature rating from -40°C ~ +85°C.  
APPLICATIONS  
Small LCD Backlights  
Notebook PC  
GPS  
TYPICAL APPLICATION CIRCUIT  
Figure 1 Constant current white LED driver using PWM at the EN pin to control intensity  
Note 1: COUT must be rated for 50V. Smaller values of output capacitance will cause the LED current ripple to increase.  
Note 2: The resistor REST should be placed as close as possible to the FB pin to prevent the EMI.  
Note 3: D1 must choose 60V and peak current is determined by the load. Please refer to Page 9 for detail information.  
Integrated Silicon Solution, Inc. – www.issi.com  
Rev. A, 05/10/2013  
1
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