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NR8040T100M PDF预览

NR8040T100M

更新时间: 2024-01-21 03:52:56
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器稳压器电感器测试功率感应器
页数 文件大小 规格书
17页 614K
描述
Constant-Current 3-Ampere PWM Dimmable Buck Regulator LED Driver

NR8040T100M 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:ActiveReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8504.50.80.00
风险等级:5.69型芯材料:FERRITE
直流电阻:0.034 Ω标称电感 (L):10 µH
电感器应用:DC-DC CONVERTER电感器类型:GENERAL PURPOSE INDUCTOR
功能数量:1端子数量:2
最高工作温度:120 °C最低工作温度:-25 °C
最大额定电流:3.1 A形状/尺寸说明:RECTANGULAR PACKAGE
屏蔽:YES表面贴装:YES
端子位置:DUAL ENDED端子形状:ONE SURFACE
容差:30%Base Number Matches:1

NR8040T100M 数据手册

 浏览型号NR8040T100M的Datasheet PDF文件第2页浏览型号NR8040T100M的Datasheet PDF文件第3页浏览型号NR8040T100M的Datasheet PDF文件第4页浏览型号NR8040T100M的Datasheet PDF文件第5页浏览型号NR8040T100M的Datasheet PDF文件第6页浏览型号NR8040T100M的Datasheet PDF文件第7页 
A6211  
Constant-Current 3-Ampere PWM Dimmable  
Buck Regulator LED Driver  
Description  
Features and Benefits  
• Supply voltage 6 to 48 V  
• True average output current control  
• 3.0 A maximum output over operating temperature range  
• Cycle-by-cycle current limit  
The A6211 is a single IC switching regulator that provides  
constant-currentoutputtodrivehigh-powerLEDs.Itintegrates  
ahigh-sideN-channelDMOSswitchforDC-to-DCstep-down  
(buck) conversion. A true average current is output using a  
cycle-by-cycle, controlled on-time method.  
• Integrated MOSFET switch  
• Dimming via direct logic input or power supply voltage  
• Internal control loop compensation  
• Undervoltage lockout (UVLO) and thermal shutdown  
protection  
• Low power shutdown (1 μA typical)  
• Robust protection against:  
Output current is user-selectable by an external current sense  
resistor. Output voltage is automatically adjusted to drive  
various numbers of LEDs in a single string. This ensures the  
optimal system efficiency.  
LED dimming is accomplished by a direct logic input pulse  
width modulation (PWM) signal at the enable pin.  
Adjacent pin-to-pin short  
Pin-to-GND short  
Component open/short faults  
Thedeviceisprovidedinacompact8-pinnarrowSOICpackage  
(suffix LJ) with exposed pad for enhanced thermal dissipation.  
It is lead (Pb) free, with 100% matte tin leadframe plating.  
Package 8-pin SOICN with exposed  
thermal pad (suffix LJ):  
Applications:  
• General Illumination  
• Scanners and multi-function printers (light bars)  
• Architectural lighting  
• Industrial Lighting  
• Display case lighting / MR16  
Not to scale  
Typical Application Circuit  
V
(6 to 48 V)  
C1  
IN  
L1  
LED+  
GND  
EN  
1
8
7
6
VIN  
SW  
D1  
A6211  
R1  
C4  
2
3
TON  
BOOT  
GND  
VCC  
EN  
CS  
5
4
C5  
Enable/PWM Dimming  
(100 Hz to 2 kHz)  
LED–  
RSENSE  
A6211-DS  

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