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LM5018 PDF预览

LM5018

更新时间: 2024-02-22 15:33:11
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
17页 414K
描述
100V, 300mA Constant On-Time Synchronous Buck Regulator

LM5018 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVSON,
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.73其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 1.225V
模拟集成电路 - 其他类型:SWITCHING REGULATOR最大输入电压:100 V
最小输入电压:7.5 V标称输入电压:48 V
JESD-30 代码:S-PDSO-N8JESD-609代码:e3
长度:4 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:0.75 A最大输出电压:90 V
最小输出电压:1.25 V封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
座面最大高度:0.8 mm表面贴装:YES
切换器配置:BUCK最大切换频率:1000 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.8 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

LM5018 数据手册

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February 9, 2012  
LM5018  
100V, 300mA Constant On-Time Synchronous Buck  
Regulator  
General Description  
Features  
The LM5018 is a 100V, 300mA synchronous step-down reg-  
ulator with integrated high side and low side MOSFETs. The  
constant-on-time (COT) control scheme employed in the  
LM5018 requires no loop compensation, provides excellent  
transient response, and enables very low step-down ratios.  
The on-time varies inversely with the input voltage resulting  
in nearly constant frequency over the input voltage range. A  
high voltage startup regulator provides bias power for internal  
operation of the IC and for integrated gate drivers.  
Wide 9V to 100V Input Range  
Integrated 100V, High and Low Side Switches  
No Schottky Required  
Constant On-time Control  
No Loop Compensation Required  
Ultra-Fast Transient Response  
Nearly Constant Operating Frequency  
Intelligent Peak Current Limit  
A peak current limit circuit protects against overload condi-  
tions. The undervoltage lockout (UVLO) circuit allows the  
input undervoltage threshold and hysteresis to be indepen-  
dently programmed. Other protection features include ther-  
mal shutdown and bias supply undervoltage lockout.  
Adjustable Output Voltage from 1.225V  
Precision 2% Feedback Reference  
Frequency Adjustable to 1MHz  
Adjustable Undervoltage Lockout  
The LM5018 is available in LLP-8 and PSOP-8 plastic pack-  
ages.  
Remote Shutdown  
Thermal Shutdown  
Packages  
LLP-8  
PSOP-8  
Applications  
Smart Power Meters  
Telecommunication Systems  
Automotive Electronics  
Isolated Bias Supply  
Typical Application  
30181601  
FIGURE 1.  
© 2012 Texas Instruments Incorporated  
301816 SNVS787B  
www.ti.com  

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