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LM2735

更新时间： 2024-09-15 12:02:11
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
58页 1676K
描述
LM2735/LM2735-Q1 520kHz/1.6MHz – Space-Efficient Boost and SEPIC DC-DC Regulator

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LM2735 数据手册

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LM2735  
www.ti.com  
SNVS485F –JUNE 2007–REVISED APRIL 2013  
LM2735/LM2735-Q1 520kHz/1.6MHz – Space-Efficient Boost and SEPIC DC-DC Regulator  
Check for Samples: LM2735  
1
FEATURES  
DESCRIPTION  
The LM2735 is an easy-to-use, space-efficient 2.1A  
low-side switch regulator ideal for Boost and SEPIC  
DC-DC regulation. It provides all the active functions  
to provide local DC/DC conversion with fast-transient  
response and accurate regulation in the smallest PCB  
area. Switching frequency is internally set to either  
520kHz or 1.6MHz, allowing the use of extremely  
small surface mount inductor and chip capacitors  
while providing efficiencies up to 90%. Current-mode  
control and internal compensation provide ease-of-  
use, minimal component count, and high-  
2
•
Input Voltage Range 2.7V to 5.5V  
Output Voltage Range 3V to 24V  
•
•
2.1A Switch Current over Full Temperature  
Range  
•
•
•
Current-Mode Control  
Logic High Enable Pin  
Ultra Low Standby Current of 80 nA in  
Shutdown  
•
•
•
170 mΩ NMOS Switch  
performance regulation over  
a wide range of  
±2% Feedback Voltage Accuracy  
Ease-of-Use, Small Total Solution Size  
operating conditions. External shutdown features an  
ultra-low standby current of 80 nA ideal for portable  
applications. Tiny SOT-23, WSON, and MSOP-  
–
–
–
–
–
–
Internal Soft-Start  
PowerPAD  
packages  
provide  
space-savings.  
Internal Compensation  
Two Switching Frequencies  
520 kHz (LM2735-Y)  
1.6 MHz (LM2735-X)  
Additional features include internal soft-start, circuitry  
to reduce inrush current, pulse-by-pulse current limit,  
and thermal shutdown.  
Uses Small Surface Mount Inductors and  
Chip Capacitors  
–
Tiny SOT-23, WSON, and MSOP-PowerPAD  
Packages  
•
LM2735-Q1 is AEC-Q100 Grade 1 Qualified and  
is Manufactured on an Automotive Grade Flow  
APPLICATIONS  
•
LCD Display Backlighting For Portable  
Applications  
•
•
•
•
•
OLED Panel Power Supply  
USB Powered Devices  
Digital Still and Video Cameras  
White LED Current Source  
Automotive  
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.  
2
All trademarks are the property of their respective owners.  
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 © 2007–2013, Texas Instruments Incorporated  
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LM2735 替代型号

型号 品牌 替代类型 描述 数据表
LM2735-Q1 TI

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