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LM5006MMX/NOPB

更新时间： 2024-11-29 01:10:51
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德州仪器 - TI /
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27页 1354K
描述
LM5006 80V, 600 mA Constant On-Time Buck Switching Regulator

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LM5006MMX/NOPB 数据手册

 浏览型号LM5006MMX/NOPB的Datasheet PDF文件第2页浏览型号LM5006MMX/NOPB的Datasheet PDF文件第3页浏览型号LM5006MMX/NOPB的Datasheet PDF文件第4页浏览型号LM5006MMX/NOPB的Datasheet PDF文件第5页浏览型号LM5006MMX/NOPB的Datasheet PDF文件第6页浏览型号LM5006MMX/NOPB的Datasheet PDF文件第7页 
LM5006  
www.ti.com  
SNVS646B –FEBRUARY 2011–REVISED MARCH 2013  
LM5006 80V, 600 mA Constant On-Time Buck Switching Regulator  
Check for Samples: LM5006  
1
FEATURES  
PACKAGE  
2
•
•
•
•
•
•
Operating Input Voltage Range: 6V to 75V  
Integrated 80V, N-Channel Buck Switch  
Internal Start-Up Regulator  
•
VSSOP - 10  
DESCRIPTION  
The LM5006 Step Down Switching Regulator features  
all of the functions needed to implement a low cost,  
efficient Buck bias regulator. This high voltage  
regulator contains an 80V N-Channel MOSFET  
Switch and a startup regulator. The device is easy to  
implement and is provided in an VSSOP-10 package.  
The regulator’s control scheme uses an on-time  
inversely proportional to VIN. This feature results in  
the operating frequency remaining relatively constant  
with line and load variations. The control scheme  
requires no loop compensation, resulting in fast  
transient response. An intelligent current limit is  
implemented with a forced off-time which is inversely  
proportional to VOUT. This scheme ensures short  
circuit control while providing minimum foldback.  
Other features include: Thermal Shutdown, VCC  
Under Voltage Lock-out, Max Duty Cycle Limiter, a  
Pre-charge Switch, a programmable Under Voltage  
Detector with a status flag output, and a gate driver  
output for a synchronous rectifier.  
No Loop Compensation Required  
Ultra-Fast Transient Response  
Operating Frequency Remains Constant with  
Line and Load Variations  
•
•
•
•
Adjustable Output Voltage from 2.5V  
Precision Internal Reference, ±2.5%  
Intelligent Current Limit Reduces Foldback  
Programmable Input UV Detector with Status  
Flag Output  
•
•
Gate Output Driver for Synchronous Rectifier  
Pre-Charge Switch Enables Bootstrap Gate  
Drive with no Load  
•
Thermal Shutdown  
TYPICAL APPLICATIONS  
•
Non-Isolated Telecommunication Buck  
Regulator  
•
•
Secondary High Voltage Post Regulator  
+42V Automotive Systems  
Typical Application, Basic Step-Down Regulator  
6V - 75V  
Input  
VIN  
VCC  
C3  
V
IN  
LM5006  
C1  
R
T
GND  
BST  
C4  
L1  
RT/SD  
UV  
SW  
SHUTDOWN  
V
OUT  
R
UV2  
Q1  
R3  
C2  
LG  
FB  
R
FB2  
R
UV1  
R
UVO  
GND  
R
FB1  
UVO  
RTN  
UV STATUS  
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 © 2011–2013, Texas Instruments Incorporated  
 
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LM5006MMX/NOPB 替代型号

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LM5006MM/NOPB TI

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