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SSL5231T PDF预览

SSL5231T

更新时间： 2024-11-18 21:21:39
品牌 Logo 应用领域
恩智浦 - NXP 驱动光电二极管接口集成电路
页数 文件大小 规格书
17页 165K
描述
LED DISPLAY DRIVER

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中文翻译

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SSL5231T 技术参数

生命周期：Active包装说明：SOP,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.7
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G8
长度：4.9 mm功能数量：1
区段数：2端子数量：8
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
座面最大高度：1.75 mm最大供电电压：16 V
最小供电电压：9.9 V标称供电电压：15 V
表面贴装：YES端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mmBase Number Matches：1

SSL5231T 数据手册

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SSL5231T  
Mains dimmable buck-boost LED driver IC  
Rev. 3 — 11 March 2015  
Product data sheet  
1. General description  
The SSL5231T is a highly integrated, high-precision dimmable controller with an external  
MOSFET. It is intended to drive LED lamps in dimmable lighting applications up to 25 W.  
The SSL5231T is designed for high power factor, phase-dimmable applications.  
The SSL5231T operates in Boundary Conduction Mode (BCM) with constant on-time  
control. It provides a constant output current control with good LED output current  
accuracy. Adaptive switching frequency gives freedom to choose the inductor, which  
enables the optimization of inductor size, efficiency and EMI.  
The SSL5231T can start up and operate in switching mode directly from an external  
resistor without capacitor charge pump supply or auxiliary supply. This feature simplifies  
the VCC supply. So, a low-cost off-the-shelf inductor can be used, which provides flexibility  
in application design.  
2. Features and benefits  
Supports most available dimming solutions  
Deep dimming level  
Flicker-free dimming  
Low component count ensuring a compact solution and small, single layer  
Printed-Circuit Board (PCB) footprint  
Excellent line regulation and load regulation and good LED output current accuracy  
Efficient BCM operation with:  
Minimal reverse recovery losses in freewheel diode  
Zero Current Switching (ZCS) and Valley switching for turn-on of switch  
Minimum inductance value and size required  
High efficiency (up to 88 %)  
Ultra low IC current during operation (< 165 A)  
Auto-recovery protections:  
UnderVoltage LockOut (UVLO)  
Cycle-by-cycle OverCurrent Protection (OCP)  
Internal OverTemperature Protection (OTP)  
Output OverVoltage Protection (OVP)  
Output Short Protection (OSP)  
Extended IC lifetime  
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