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GRM36X7R471K050

更新时间: 2024-01-27 11:27:34
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

GRM36X7R471K050 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:, 0402Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8532.24.00.20
风险等级:5.3电容:0.00047 µF
电容器类型:CERAMIC CAPACITOR介电材料:CERAMIC
安装特点:SURFACE MOUNT多层:Yes
负容差:10%端子数量:2
最高工作温度:125 °C最低工作温度:-55 °C
封装形状:RECTANGULAR PACKAGE包装方法:TR, PAPER, 7 INCH
正容差:10%额定(直流)电压(URdc):50 V
尺寸代码:0402表面贴装:YES
温度特性代码:X7R温度系数:15% ppm/ °C
端子形状:WRAPAROUNDBase Number Matches:1

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  

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