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LT8580EDD#PBF

更新时间： 2024-01-10 09:14:50
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
32页 436K
描述
LT8580 - Boost/SEPIC/Inverting DC/DC Converter with 1A, 65V Switch, Soft-Start and Synchronization; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

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中文翻译

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LT8580EDD#PBF 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：DFN包装说明：DFN-8
针数：8Reach Compliance Code：compliant
风险等级：5.65Base Number Matches：1

LT8580EDD#PBF 数据手册

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LT8580  
Boost/SEPIC/Inverting  
DC/DC Converter with 1A, 65V  
Switch, Soft-Start and Synchronization  
FeaTures  
DescripTion  
The LT®8580 is a PWM DC/DC converter containing an  
internal 1A, 65V switch. The LT8580 can be configured  
n
1A, 65V Power Switch  
n
Adjustable Switching Frequency  
n
Single Feedback Resistor Sets V  
as either a boost, SEPIC or inverting converter.  
OUT  
n
Synchronizable to External Clock  
High Gain SHDN Pin Accepts Slowly Varying  
Input Signals  
The LT8580 has an adjustable oscillator, set by a resistor  
fromtheRTpintoground. Additionally, theLT8580canbe  
synchronizedtoanexternalclock.Theswitchingfrequency  
of the part may be free running or synchronized, and can  
be set between 200kHz and 1.5MHz.  
n
n
n
n
n
Wide Input Voltage Range: 2.55V to 40V  
Low V  
Switch: 400mV at 0.75A (Typical)  
CESAT  
Integrated Soft-Start Function  
The LT8580 also features innovative SHDN pin circuitry  
that allows for slowly varying input signals and an adjust-  
able undervoltage lockout function.  
Easily Configurable as a Boost, SEPIC, or Inverting  
Converter  
User Configurable Undervoltage Lockout (UVLO)  
Pin Compatible with LT3580  
Tiny Thermally Enhanced 8-Lead 3mm × 3mm DFN  
and 8-Lead MSOP Packages  
n
n
n
Additional features such as frequency foldback and  
soft-start are integrated. The LT8580 is available in tiny  
thermally enhanced 3mm × 3mm 8-lead DFN and 8-lead  
MSOP packages.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Protected by U.S. Patents, including 7579816.  
applicaTions  
n
VFD Bias Supplies  
n
TFT-LCD Bias Supplies  
n
GPS Receivers  
DSL Modems  
Local Power Supply  
n
n
Typical applicaTion  
1.5MHz, 5V to 12V Boost Converter  
Efficiency and Power Loss  
100  
90  
80  
70  
60  
50  
40  
30  
20  
480  
420  
360  
300  
240  
180  
120  
60  
15µH  
V
OUT  
V
IN  
12V  
5V  
200mA  
10k  
V
IN  
SW  
FBX  
VC  
130k  
SHDN  
4.7µF  
LT8580  
2.2µF  
SYNC  
RT  
6.04k  
3.3nF  
GND SS  
47pF  
EFFICIENCY  
56.2k  
0.22µF  
POWER LOSS  
8580 TA01a  
0
200  
0
50  
LOAD CURRENT (mA)  
100  
150  
8580 TA01b  
8580fa  
1
For more information www.linear.com/LT8580  
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LT8580EDD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT8580EDD#TRPBF Linear

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