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LM2733XMF

更新时间： 2024-11-25 12:04:39
品牌 Logo 应用领域
德州仪器 - TI 转换器开关升压转换器
页数 文件大小 规格书
22页 1324K
描述
LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23

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LM2733XMF 数据手册

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LM2733  
www.ti.com  
SNVS209E –NOVEMBER 2002–REVISED APRIL 2013  
LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23  
Check for Samples: LM2733  
1
FEATURES  
DESCRIPTION  
The LM2733 switching regulators are current-mode  
boost converters operating fixed frequency of 1.6  
MHz (“X” option) and 600 kHz (“Y” option).  
2
•
40V DMOS FET Switch  
•
1.6 MHz (“X”), 0.6 MHz (“Y”) Switching  
Frequency  
The use of SOT-23 package, made possible by the  
minimal power loss of the internal 1A switch, and use  
of small inductors and capacitors result in the  
industry's highest power density. The 40V internal  
switch makes these solutions perfect for boosting to  
voltages of 16V or greater.  
•
•
•
•
•
•
•
•
Low RDS(ON) DMOS FET  
Switch Current up to 1A  
Wide Input Voltage Range (2.7V–14V)  
Low Shutdown Current (<1 µA)  
5-Lead SOT-23 Package  
These parts have a logic-level shutdown pin that can  
be used to reduce quiescent current and extend  
battery life.  
Uses Tiny Capacitors and Inductors  
Cycle-by-Cycle Current Limiting  
Internally Compensated  
Protection is provided through cycle-by-cycle current  
limiting and thermal shutdown. Internal compensation  
simplifies design and reduces component count.  
APPLICATIONS  
•
•
•
•
•
White LED Current Source  
PDA’s and Palm-Top Computers  
Digital Cameras  
Table 1. Switch Frequency  
X
Y
1.6 MHz  
0.6 MHz  
Portable Phones and Games  
Local Boost Regulator  
Typical Application Circuit  
D1  
MBR0520  
L1/10mH  
5 VIN  
U1  
VIN  
SW  
12V  
OUT  
330mA  
(TYP)  
R3  
51K  
R1/117K  
LM2733 —X“  
SHDN  
GND  
FB  
SHDN  
GND  
C1  
2.2mF  
CF  
220pF  
R2  
13.3K  
C2  
4.7mF  
D1  
MBR0530  
L1/10mH  
5 VIN  
U1  
VIN  
SW  
20V  
OUT  
170mA  
(TYP)  
R3  
51K  
R1/205K  
LM2733 —X“  
FB  
SHDN  
SHDN  
GND  
C1  
2.2mF  
CF  
120pF  
R2  
13.3K  
C2  
4.7mF  
GND  
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 © 2002–2013, Texas Instruments Incorporated  
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LM2733XMF 替代型号

型号 品牌 替代类型 描述 数据表
LM2733XMFX/NOPB TI

类似代替

 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2733XMF/NOPB TI

类似代替

 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2733XMFX TI

类似代替

 LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23

与LM2733XMF相关器件

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LM2733XMF/NOPB NSC

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 		IC 1.5 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN, Switching
LM2733XMF/NOPB TI

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 		0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2733XMF-NOPB TI

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 		LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733XMFX TI

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 		LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733XMFX NSC

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 		0.6/1.6 MHz Boost Converters With 40V Internal FET
LM2733XMFX/NOPB TI

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 		0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2733XMFX-NOPB TI

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 		LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733YMF TI

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 		LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733YMF NSC

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 		0.6/1.6 MHz Boost Converters With 40V Internal FET
LM2733YMF/NOPB TI

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 		0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125

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