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LM5018MRX/NOPB PDF预览

LM5018MRX/NOPB

更新时间： 2024-11-15 01:05:31
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
32页 1491K
描述
100-V, 300-mA Constant On-Time Synchronous Buck Regulator

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中文翻译

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LM5018MRX/NOPB 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：HLSOP,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.04Samacsys Description：7.5-100V Wide Vin, 300mA Constant On-Time Synchronous Buck Regulator
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 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：3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：0.3 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：HLSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
峰值回流温度（摄氏度）：260座面最大高度：1.68 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：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm

LM5018MRX/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LM5018  
SNVS787G –JANUARY 2012–REVISED OCTOBER 2015  
LM5018 100-V, 300-mA Constant On-Time Synchronous Buck Regulator  
1 Features  
3 Description  
The LM5018 is a 100-V, 300-mA synchronous step-  
down regulator with integrated high-side and low-side  
MOSFETs. The constant-on-time (COT) control  
scheme employed in the LM5018 device 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  
1
•
Wide 7.5- to 100-V Input Range  
•
Integrated 300-mA High-Side 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  
Adjustable Output Voltage From 1.225 V  
Precision 2% Feedback Reference  
Frequency Adjustable to 1 MHz  
Adjustable Undervoltage Lockout  
Remote Shutdown  
voltage range.  
A high-voltage startup regulator  
provides bias power for internal operation of the IC  
and for integrated gate drivers.  
A peak current limit circuit protects against overload  
conditions. The undervoltage lockout (UVLO) circuit  
allows the input undervoltage threshold and  
hysteresis to be independently programmed. Other  
protection features include thermal shutdown and  
bias supply undervoltage lockout.  
The LM5018 device is available in WSON-8 and SO  
PowerPAD-8 plastic packages.  
Thermal Shutdown  
Packages:  
Device Information(1)  
–
–
WSON-8  
SO PowerPAD™-8  
PART NUMBER  
PACKAGE  
SO PowerPAD (8)  
WSON (8)  
BODY SIZE (NOM)  
4.89 mm × 3.90 mm  
4.00 mm × 4.00 mm  
LM5018  
2 Applications  
•
•
•
•
Smart Power Meters  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Telecommunication Systems  
Automotive Electronics  
Isolated Bias Supply  
Typical Application  
LM5018  
7.5 V - 100 V  
VIN  
7
BST  
2
4
+
V
L1  
C
IN  
VOUT  
BST  
8
+
SW  
C
IN  
RON  
R
UV2  
C
VCC  
R
ON  
R
VCC  
FB  
3
FB2  
R
C
6
5
UVLO  
SD  
+
R
UV1  
RTN  
C
OUT  
R
FB1  
1
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
 
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LM5018MRX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM5018MR/NOPB TI

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 100-V, 300-mA Constant On-Time Synchronous Buck Regulator

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