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LM25010MHX/NOPB PDF预览

LM25010MHX/NOPB

更新时间: 2024-01-14 18:33:49
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德州仪器 - TI 稳压器
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34页 906K
描述
6-42V 宽输入电压、1A 恒定导通时间非同步降压稳压器 | PWP | 14 | -40 to 125

LM25010MHX/NOPB 数据手册

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LM25010, LM25010-Q1  
SNVS419E DECEMBER 2005REVISED MAY 2016  
LM25010, LM25010-Q1 42-V, 1-A Step-Down Switching Regulator  
1 Features  
2 Applications  
1
LM25010-Q1 Qualified for Automotive  
Applications  
Non-Isolated Telecommunications Regulators  
Secondary Side Post Regulators  
Automotive Electronics  
AEC-Q100 Qualified With the Following Results:  
Device Temperature Grade 1: –40°C to 125°C  
Ambient Operating Temperature Range  
3 Description  
The LM25010 features all the functions needed to  
Device Temperature Grade 0: –40°C to 150°C  
Ambient Operating Temperature Range  
implement  
a
low-cost, efficient, buck regulator  
capable of supplying in excess of 1-A load current.  
This high voltage regulator integrates an N-Channel  
Buck Switch, and is available in thermally enhanced  
10-pin WSON and 14-pin HTSSOP packages. The  
constant ON-time regulation scheme requires no loop  
compensation resulting in fast load transient  
response and simplified circuit implementation. The  
operating frequency remains constant with line and  
load variations due to the inverse relationship  
between the input voltage and the ON-time. The  
valley current limit detection is set at 1.25 A.  
Additional features include: VCC undervoltage  
lockout, thermal shutdown, gate drive undervoltage  
lockout, and maximum duty cycle limiter.  
Device HBM ESD Classification Level 2  
Device CDM ESD Classification Level C5  
Wide 6-V to 42-V Input Voltage Range  
Valley Current Limiting at 1.25 A  
Programmable Switching Frequency Up To 1 MHz  
Integrated N-Channel Buck Switch  
Integrated High Voltage Bias Regulator  
No Loop Compensation Required  
Ultra-Fast Transient Response  
Nearly Constant Operating Frequency With Line  
and Load Variations  
Adjustable Output Voltage  
2.5 V, ±2% Feedback Reference  
Programmable Soft Start  
Thermal Shutdown  
Device Information(1)  
PART NUMBER  
PACKAGE  
WSON (10)  
HTSSOP (14)  
BODY SIZE (NOM)  
4.00 mm × 4.00 mm  
4.40 mm × 5.00 mm  
LM25010x  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Basic Step-Down Regulator  
6V - 42V  
Input  
VCC  
VIN  
C3  
C1  
R
ON  
LM25010  
BST  
SW  
C4  
L1  
RON/SD  
V
OUT  
SHUTDOWN  
D1  
R1  
R2  
R3  
SS  
ISEN  
FB  
C2  
C6  
RTN  
SGND  
Copyright © 2016, Texas Instruments Incorporated  
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.  
 
 
 
 
 

LM25010MHX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM25010MH/NOPB TI

完全替代

6-42V 宽输入电压、1A 恒定导通时间非同步降压稳压器 | PWP | 14 | -4

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