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LM2853MH-1.0 PDF预览

LM2853MH-1.0

更新时间: 2024-11-08 02:59:47
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
12页 623K
描述
3A 550 kHz Synchronous SIMPLE SWITCHER Buck Regulator

LM2853MH-1.0 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TSSOP-14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.14模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:3 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G14
JESD-609代码:e0长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:14最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:5 A
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP14,.25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):260
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:725 kHz
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
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:4.4 mmBase Number Matches:1

LM2853MH-1.0 数据手册

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October 2006  
LM2853  
3A 550 kHz Synchronous SIMPLE SWITCHER® Buck  
Regulator  
General Description  
Features  
The LM2853 synchronous SIMPLE SWITCHER® buck regu-  
lator is a 550 kHz step-down switching voltage regulator  
capable of driving up to a 3A load with excellent line and load  
regulation. The LM2853 accepts an input voltage between  
3.0V and 5.5V and delivers a customizable output voltage  
that is factory programmable from 0.8V to 3.3V in 100mV  
increments. Internal type-three compensation enables a low  
component count solution and greatly simplifies external  
component selection. The exposed-pad TSSOP-14 package  
enhances the thermal performance of the LM2853.  
n Input voltage range of 3.0V to 5.5V  
n Factory EEPROM set output voltages from 0.8V to 3.3V  
in 100 mV increments  
n Maximum load current of 3A  
n Voltage Mode Control  
n Internal type-three compensation  
n Switching frequency of 550 kHz  
n Low standby current of 12 µA  
n Internal 40 mMOSFET switches  
n Standard voltage options  
0.8/1.0/1.2/1.5/1.8/2.5/3.0/3.3 volts  
n Exposed pad TSSOP-14 package  
Applications  
n Low voltage point of load regulation  
n Local solution for FPGA/DSP/ASIC core power  
n Broadband networking and communications  
infrastructure  
Typical Application Circuit  
20201502  
Efficiency vs Load Current (VOUT = 3.3V)  
20201501  
SIMPLE SWITCHER® is a Registered Trademark of National Semiconductor Corporation.  
© 2006 National Semiconductor Corporation  
DS202015  
www.national.com  

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