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LM25011MY/NOPB PDF预览

LM25011MY/NOPB

更新时间： 2024-11-15 02:58:19
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
29页 1120K
描述
LM25011, LM25011-Q1, LM25011A, LM25011A-Q1 42-V 2-A Constant On-Time Switching Regulator With Adjustable Current Limit

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LM25011MY/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：MSOP
包装说明：HTSSOP, TSSOP10,.19,20针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：0.75
其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 2.51V模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE最大输入电压：42 V
最小输入电压：6 V标称输入电压：12 V
JESD-30 代码：S-PDSO-G10JESD-609代码：e3
长度：3 mm湿度敏感等级：3
功能数量：1端子数量：10
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：2 A最大输出电压：40 V
最小输出电压：2.51 V封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE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：1.09 mm子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：1.6 mA标称供电电压 (Vsup)：12 V
表面贴装：YES切换器配置：BUCK
最大切换频率：2000 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 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 mm
Base Number Matches：1

LM25011MY/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LM25011, LM25011-Q1, LM25011A, LM25011A-Q1  
SNVS617H –APRIL 2009–REVISED NOVEMBER 2014  
LM25011, LM25011-Q1, LM25011A, LM25011A-Q1 42-V 2-A Constant On-Time Switching  
Regulator With Adjustable Current Limit  
1 Features  
3 Description  
The LM25011 constant on-time step-down switching  
regulator features all the functions needed to  
implement a low-cost, efficient, buck bias regulator  
capable of supplying up to 2 A of load current. This  
high-voltage regulator contains an N-Channel Buck  
switch, a startup regulator, current limit detection, and  
internal ripple control. The constant on-time  
regulation principle requires no loop compensation,  
results in fast load transient response, and simplifies  
circuit implementation. The operating frequency  
remains constant with line and load. The adjustable  
valley current limit detection results in a smooth  
transition from constant voltage to constant current  
mode when current limit is reached, without the use  
of current limit foldback. The PGD output indicates  
the output voltage has increased to within 5% of the  
expected regulation value. Additional features  
include: Low output ripple, VIN under-voltage lock-  
out, adjustable soft-start timing, thermal shutdown,  
gate drive pre-charge, gate drive under-voltage lock-  
out, and maximum duty cycle limit.  
1
•
LM25011-Q1 is an Automotive Grade Product that  
is AEC-Q100 Grade 1 Qualified (–40°C to +125°C  
Operating Junction Temperature)  
•
LM25011A Allows Low-Dropout Operation at High  
Switching Frequency  
•
•
•
•
Input Operating Voltage Range: 6 V to 42 V  
Absolute Maximum Input Rating: 45 V  
Integrated 2-A N-Channel Buck Switch  
Adjustable Current Limit Allows for Smaller  
Inductor  
•
•
•
•
•
Adjustable Output Voltage from 2.51 V  
Minimum Ripple Voltage at VOUT  
Power Good Output  
Switching Frequency Adjustable to 2 MHz  
COT Topology Features:  
–
Switching Frequency Remains Nearly  
Constant with Load Current and Input Voltage  
Variations  
The LM25011A has a shorter minimum off-time than  
the LM25011, which allows for higher frequency  
operation at low input voltages.  
–
–
–
Ultra-Fast Transient Response  
No Loop Compensation Required  
Stable Operation with Ceramic Output  
Capacitors  
Device Information(1)  
PART NUMBER  
LM25011 / -Q1  
PACKAGE  
BODY SIZE (NOM)  
–
Allows for Smaller Output Capacitor and  
Current Sense Resistor  
HVSSOP (10)  
3.00 mm × 3.00 mm  
LM25011A / -Q1  
•
•
•
•
Adjustable Soft-Start Timing  
Thermal Shutdown  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Precision 2% Feedback Reference  
Package: 10-Pin, HVSSOP  
Typical Application  
6V to 42V  
Input  
2 Applications  
VIN  
BST  
SW  
CBST  
L1  
LM25011  
•
•
•
•
Automotive Safety  
Infotainment  
CIN  
RT  
D1  
RS  
RT  
Telecommunication  
Front Camera  
VOUT  
CS  
RPGD  
VPGD  
COUT  
Power  
Good  
PGD  
SS  
RFB2  
CSG  
FB  
CSS  
SGND  
RFB1  
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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LM25011MY/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM25011MYX/NOPB TI

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