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LM3224MM-ADJ/NOPB PDF预览

LM3224MM-ADJ/NOPB

更新时间: 2024-11-26 19:46:27
品牌 Logo 应用领域
美国国家半导体 - NSC 开关光电二极管
页数 文件大小 规格书
18页 906K
描述
IC 2.8 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO8, ROHS COMPLIANT, PLASTIC, MSOP-8, Switching Regulator or Controller

LM3224MM-ADJ/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:TSSOP, TSSOP8,.19Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.17模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:7 V最小输入电压:2.7 V
标称输入电压:2.7 VJESD-30 代码:S-PDSO-G8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:2.8 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP8,.19封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.09 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:1500 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
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:40
宽度:3 mmBase Number Matches:1

LM3224MM-ADJ/NOPB 数据手册

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September 2005  
LM3224  
615kHz/1.25MHz Step-up PWM DC/DC Converter  
General Description  
Features  
n Operating voltage range of 2.7V to 7V  
The LM3224 is a step-up DC/DC converter with a 0.15  
(typ.), 2.45A (typ.) internal switch and pin selectable operat-  
ing frequency. With the ability to convert 3.3V to multiple  
outputs of 8V, -8V, and 23V, the LM3224 is an ideal part for  
biasing TFT displays. With the high current switch it is also  
ideal for driving high current white LEDs for flash applica-  
tions. The LM3224 can be operated at switching frequencies  
of 615kHz and 1.25MHz allowing for easy filtering and low  
noise. An external compensation pin gives the user flexibility  
in setting frequency compensation, which makes possible  
the use of small, low ESR ceramic capacitors at the output.  
An external soft-start pin allows the user to control the  
amount of inrush current during start up. The LM3224 is  
available in a low profile 8-lead MSOP package.  
n 615kHz/1.25MHz pin selectable frequency operation  
n Over temperature protection  
n Optional soft-start function  
n 8-Lead MSOP package  
Applications  
n TFT Bias Supplies  
n Handheld Devices  
n Portable Applications  
n GSM/CDMA Phones  
n Digital Cameras  
n White LED Flash/Torch Applications  
Typical Application Circuit  
20097631  
© 2005 National Semiconductor Corporation  
DS200976  
www.national.com  

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