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LM3578AMX/NOPB PDF预览

LM3578AMX/NOPB

更新时间： 2024-11-01 02:58:31
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德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
30页 1641K
描述
Switching Regulator

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LM3578AMX/NOPB 数据手册

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LM2578A, LM3578A  
www.ti.com  
SNVS767E –AUGUST 2000–REVISED APRIL 2013  
LM2578A/LM3578A Switching Regulator  
Check for Samples: LM2578A, LM3578A  
1
FEATURES  
DESCRIPTION  
The LM2578A is a switching regulator which can  
2
•
•
•
•
Inverting and Non-Inverting Feedback Inputs  
1.0V Reference at Inputs  
easily be set up for such DC-to-DC voltage  
conversion circuits as the buck, boost, and inverting  
configurations. The LM2578A features a unique  
comparator input stage which not only has separate  
pins for both the inverting and non-inverting inputs,  
but also provides an internal 1.0V reference to each  
input, thereby simplifying circuit design and p.c. board  
layout. The output can switch up to 750 mA and has  
output pins for its collector and emitter to promote  
design flexibility. An external current limit terminal  
may be referenced to either the ground or the Vin  
terminal, depending upon the application. In addition,  
the LM2578A has an on board oscillator, which sets  
Operates from Supply Voltages of 2V to 40V  
Output Current up to 750 mA, Saturation Less  
than 0.9V  
•
•
Current Limit and Thermal Shut Down  
Duty Cycle up to 90%  
APPLICATIONS  
•
Switching Regulators in Buck, Boost,  
Inverting, and Single-Ended Transformer  
Configurations  
the switching frequency with  
a single external  
capacitor from <1 Hz to 100 kHz (typical).  
•
•
Motor Speed Control  
Lamp Flasher  
The LM2578A is an improved version of the LM2578,  
offering higher maximum ratings for the total supply  
voltage and output transistor emitter and collector  
voltages.  
Connection Diagram  
Figure 1. PDIP/SOIC Package  
See Package Number D0008A or P0008E  
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 © 2000–2013, Texas Instruments Incorporated  
1234567...30

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LM3578AMX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3578AMX TI

完全替代

 LM2578A/LM3578A Switching Regulator
LM3578AM/NOPB TI

类似代替

 Switching Regulator 8-SOIC 0 to 125
LM3578AM TI

类似代替

 LM2578A/LM3578A Switching Regulator

与LM3578AMX/NOPB相关器件

型号 品牌 获取价格 描述 数据表
LM3578AN TI

获取价格

 		LM2578A/LM3578A Switching Regulator
LM3578AN NSC

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 		Switching Regulator
LM3578AN/NOPB TI

获取价格

 		Switching Regulator 8-PDIP 0 to 125
LM3578H ETC

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 		Voltage-Mode SMPS Controller
LM3578H/A+ ETC

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 		Voltage-Mode SMPS Controller
LM3578M ETC

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 		Voltage-Mode SMPS Controller
LM3578N ETC

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 		Voltage-Mode SMPS Controller
LM3578N/A+ ETC

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 		Voltage-Mode SMPS Controller
LM3578N/B+ ETC

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 		Voltage-Mode SMPS Controller
LM358 TAITRON

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 		Dual Operational Amplifier

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