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LM25037

更新时间： 2024-11-14 12:27:39
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
31页 1124K
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LM25037/LM25037-Q1 Dual-Mode PWM Controller With Alternating Outputs

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LM25037 数据手册

 浏览型号LM25037的Datasheet PDF文件第2页浏览型号LM25037的Datasheet PDF文件第3页浏览型号LM25037的Datasheet PDF文件第4页浏览型号LM25037的Datasheet PDF文件第5页浏览型号LM25037的Datasheet PDF文件第6页浏览型号LM25037的Datasheet PDF文件第7页 
LM25037, LM25037-Q1  
www.ti.com  
SNVS572D –JULY 2008–REVISED MARCH 2013  
LM25037/LM25037-Q1 Dual-Mode PWM Controller With Alternating Outputs  
Check for Samples: LM25037, LM25037-Q1  
1
FEATURES  
DESCRIPTION  
The LM25037 PWM controller contains all the  
2
•
LM25037-Q1 is an Automotive Grade Product  
that is AEC-Q100 Grade 1 Qualified (-40°C to  
125°C Operating Junction Temperature)  
features necessary to implement balanced double-  
ended power converter topologies, such as push-pull,  
half-bridge and full-bridge. These double-ended  
topologies allow for higher efficiencies and greater  
power densities compared to common single-ended  
topologies such as the flyback and forward. The  
LM25037 can be configured for either voltage mode  
or current mode control with minimum external  
components. Two alternating gate drive outputs are  
provided, each capable of 1.2A peak output current.  
The LM25037 can be configured to operate directly  
from the input voltage rail over an ultra-wide range of  
•
•
•
Ultra Wide Input Operating Range from 5.5V to  
75V  
Alternating Outputs for Double-ended  
Topologies  
Current-mode or Feed-forward Voltage-mode  
Control  
•
•
•
•
Programmable Maximum Duty Cycle Limit  
2.0% Feedback Reference Accuracy  
High Gain-bandwidth Error Amplifier  
5.5V  
to  
75V.  
Additional  
features  
include  
programmable maximum duty cycle limit, line under-  
voltage lockout, cycle-by-cycle current limit and a  
hiccup mode fault protection with adjustable timeout  
delay, soft-start and a 2 MHz capable oscillator with  
synchronization capability, precision reference and  
thermal shutdown.  
Programmable Line Under-voltage Lockout  
(UVLO) with Adjustable Hysteresis  
•
Versatile Dual Mode Over-current Protection  
with Hiccup Delay Timer  
•
•
•
•
Programmable Soft-start  
Precision 5V Reference Output  
Current Sense Leading Edge Blanking  
PACKAGE  
•
16-Lead TSSOP  
Resistor Programmed 2 MHz Capable  
Oscillator  
•
Oscillator Synchronization Capability with Low  
Frequency Lockout Protection  
Simplified Push-Pull Power Converter  
VIN  
VOUT  
LM25037  
VIN  
VCC  
UVLO  
REF  
OUTA  
OUTB  
RAMP  
RT1  
RT2  
CS  
COMP  
FB  
Isolated  
Feedback  
RES  
SS  
PGND AGND  
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 © 2008–2013, Texas Instruments Incorporated  
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LM25037 替代型号

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