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LM5017SDE/NOPB

更新时间： 2024-09-30 11:07:59
品牌 Logo 应用领域
德州仪器 - TI 开关控制器开关式稳压器开关式控制器光电二极管电源电路开关式稳压器或控制器
页数 文件大小 规格书
19页 1024K
描述
7.5V-100V 宽输入电压、600mA 恒定导通时间同步降压稳压器 | NGU | 8 | -40 to 125

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LM5017SDE/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：HVSON,
Reach Compliance Code：compliant风险等级：5.72
模拟集成电路 - 其他类型：SWITCHING REGULATORJESD-30 代码：S-PDSO-N8
JESD-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：0.65 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-BOOST
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 mm
Base Number Matches：1

LM5017SDE/NOPB 数据手册

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LM5017  
www.ti.com  
SNVS783D –JANUARY 2012–REVISED MAY 2013  
LM5017 100V, 600mA Constant On-Time Synchronous Buck Regulator  
Check for Samples: LM5017  
1
FEATURES  
PACKAGES  
2
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Wide 9V to 100V Input Range  
Integrated 100V, High and Low Side Switches  
No Schottky Required  
•
•
WSON-8  
SO PowerPAD-8  
DESCRIPTION  
Constant On-time Control  
The LM5017 is a 100V, 600mA synchronous step-  
down regulator with integrated high side and low side  
MOSFETs. The constant-on-time (COT) control  
scheme employed in the LM5017 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.  
No Loop Compensation Required  
Ultra-Fast Transient Response  
Nearly Constant Operating Frequency  
Intelligent Peak Current Limit  
Adjustable Output Voltage from 1.225V  
Precision 2% Feedback Reference  
Frequency Adjustable to 1MHz  
Adjustable Undervoltage Lockout (UVLO)  
Remote Shutdown  
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 (VCC UVLO).  
Thermal Shutdown  
APPLICATIONS  
•
•
•
•
Smart Power Meters  
Telecommunication Systems  
Automotive Electronics  
Isolated Bias Supply  
The LM5017 is available in WSON-8 and SO  
PowerPAD-8 plastic packages.  
Typical Application  
LM5017  
9V-100V  
VIN  
7
BST  
2
4
+
V
IN  
L1  
VOUT  
C
BST  
8
+
SW  
C
IN  
RON  
R
UV2  
C
VCC  
R
ON  
R
FB2  
VCC  
FB  
3
R
C
6
5
UVLO  
SD  
+
R
UV1  
RTN  
C
OU  
T
R
FB1  
1
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012–2013, Texas Instruments Incorporated  
1234567...19

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