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GRM36X7R471K050

更新时间： 2024-11-29 22:41:35
品牌 Logo 应用领域
美高森美 - MICROSEMI 转换器
页数 文件大小 规格书
8页 198K
描述
1.0MHz Inverting DC/DC Converter

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GRM36X7R471K050 数据手册

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LX1734  
®
TM  
1.0MHz Inverting DC/DC Converter  
KEY FEATURES  
DESCRIPTION  
ƒ Fixed Frequency 1.0MHz  
Operation  
ƒ Very Low Noise: 1mVP-P Output  
Ripple Possible With Cuk  
Topology  
ƒ Stable Operation With Ceramic or  
Tantalum Capacitors  
ƒ -5V at 250mA from 5V Input  
ƒ Uses Small Surface Mount L/C  
Components  
ƒ Wide Input Range: 4.2V to 8V  
ƒ Low VCESAT Switch: 600mV at  
600mA  
ƒ 6-Lead 3x3mm JEDEC MLPM  
Package  
The LX1734 is an inverting  
DC/DC current-mode controller. With clean output free from low frequency  
750mA integrated switch, the noise typically present with charge pump  
Fixed frequency operation ensures a  
a
LX1734 can generate large output solutions. The low impedance output  
currents in a small footprint. The remains within 1% of nominal during  
LX1734 minimizes external com- large load steps. The 18V switch allows  
ponent size and cost by implementing high voltage outputs to be generated.  
high switching frequency of  
1.0MHz, while generating -5V at saving 6-lead 3x3 Jedec MO-229  
250mA. package, which has the same footprint  
When configured in the dual and lead spacing as the SOT-23A.  
inductor inverting topology very low complete inverter function utilizes less  
output voltage ripple approaching than 0.32 inches of PCB space.  
1mVP-P can be achieved when used in  
conjunction with ceramic output  
capacitors. The dual inductor can be  
a
The LX1734 is available in the space  
A
ƒ Functionally Compatible with  
LT1611 or LT1931  
implemented as a coupled or separate  
cores.  
APPLICATIONS/BENEFITS  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
ƒ Disk Drive MR Head Bias  
ƒ Digital Camera CCD Bias  
ƒ LCD Bias  
ƒ GaAs FET Bias  
ƒ Local -5V or -12V Supplies  
PRODUCT HIGHLIGHT  
L1A  
C2  
22µH  
L1B  
22µH  
1µF  
VIN = 5V  
R1  
29.4k  
VIN  
SW  
VOUT = -5V  
@ 150mA  
LX1734  
NFB  
C1  
10µF  
SD  
GND  
R2  
10k  
C3  
22µF  
C4  
1000pF  
Note: L1A and L1B are shown as coupled. Individual inductors can also be used.  
C1, C2, C3 are ceramic capacitors  
Figure 1  
PACKAGE ORDER INFO  
Plastic MLPL  
6-Pin  
LM  
TA (°C)  
RoHS Compliant / Pb-free  
Transition DC: 0452  
0 to 85  
LX1734CLM  
Note: Available in Tape & Reel. Append the letters “TR” to the  
part number. (i.e. LX1734CLM-TR)  
Copyright © 2002  
Rev. 3.0a, 2005-03-14  
Microsemi  
Microsemi Integrated Products  
Page 1  
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570  
12345678

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与GRM36X7R471K050相关器件

型号 品牌 获取价格 描述 数据表
GRM36X7R471K050AQ MURATA

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 		CAPACITOR, CERAMIC, MULTILAYER, 50V, X7R, 0.00047uF, SURFACE MOUNT, 0402, CHIP
GRM36X7R471K50PB MURATA

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 		Ceramic Capacitor, Multilayer, Ceramic, 50V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.00047uF, S
GRM36X7R472K025AD MURATA

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 		CAPACITOR, CERAMIC, MULTILAYER, 25V, X7R, 0.0047uF, SURFACE MOUNT, 0402, CHIP
GRM36X7R472K025AQ MURATA

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 		CAPACITOR, CERAMIC, MULTILAYER, 25V, X7R, 0.0047uF, SURFACE MOUNT, 0402, CHIP
GRM36X7R472Z25PT MURATA

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 		Ceramic Capacitor, Multilayer, Ceramic, 25V, 80% +Tol, 20% -Tol, X7R, 15% TC, 0.0047uF, Su
GRM36X7R473K010AQ MURATA

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 		CAPACITOR, CERAMIC, MULTILAYER, 10V, X7R, 0.047uF, SURFACE MOUNT, 0402, CHIP
GRM36X7R473M010AC MURATA

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 		CAPACITOR, CERAMIC, MULTILAYER, 10V, X7R, 0.047uF, SURFACE MOUNT, 0402, CHIP
GRM36X7R473M10PB MURATA

获取价格

 		Ceramic Capacitor, Multilayer, Ceramic, 10V, 20% +Tol, 20% -Tol, X7R, 15% TC, 0.047uF, Sur
GRM36X7R473M10PC MURATA

获取价格

 		Ceramic Capacitor, Multilayer, Ceramic, 10V, 20% +Tol, 20% -Tol, X7R, 15% TC, 0.047uF, Sur
GRM36X7R561J050AD MURATA

获取价格

 		CAPACITOR, CERAMIC, MULTILAYER, 50V, X7R, 0.00056uF, SURFACE MOUNT, 0402, CHIP

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