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LT3579EUFD-1#TRPBF PDF预览

LT3579EUFD-1#TRPBF

更新时间: 2024-09-18 20:57:35
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
42页 1056K
描述
LT3579 - 6A Boost/Inverting DC/DC Converter with Fault Protection; Package: QFN; Pins: 20; Temperature Range: -40°C to 85°C

LT3579EUFD-1#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN, LCC20,.16X.2,20
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.14模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:16 V最小输入电压:2.5 V
标称输入电压:5 VJESD-30 代码:R-PQCC-N20
JESD-609代码:e3长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:最大输出电流:9.4 A
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装等效代码:LCC20,.16X.2,20封装形状:RECTANGULAR
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:2800 kHz
技术:BIPOLAR温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

LT3579EUFD-1#TRPBF 数据手册

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LT3579/LT3579-1  
6A Boost/Inverting  
DC/DC Converter with Fault Protection  
FEATURES  
DESCRIPTION  
The LT®3579 is a PWM DC/DC converter with built-in fault  
protection features to aid in protecting against output shorts,  
input/output overvoltage, and overtemperature conditions.  
The part consists of a 42V master switch, and a 42V slave  
switch that can be tied together for a total current limit of 6A.  
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6A, 42V Combined Power Switch  
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Output Short Circuit Protection  
Wide Input Range: 2.5V to 16V Operating,  
40V Maximum Transient  
LT3579-1: Dual-Phase Capable  
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Master/Slave (3.4A/2.6A) Switch Design  
User Configurable Undervoltage Lockout  
Easily Configurable as a Boost, SEPIC, Inverting, or  
Flyback Converter  
The LT3579 is ideal for many local power supply designs. It  
can be easily configured in Boost, SEPIC, Inverting, or Flyback  
configurations, and is capable of generating 12V at 1.7A, or  
–12V at 1.2A from a 5V input. In addition, the LT3579’s slave  
switch allows the part to be configured in high voltage, high  
power charge pump topologies that are very efficient and  
require fewer components than traditional circuits.  
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Low V  
Switch: 250mV at 5.5A (Typical)  
CESAT  
Can Be Synchronized to External Clock  
Can Synchronize other Switching Regulators  
High Gain SHDN Pin Accepts Slowly Varying Input  
Signals  
The LT3579’s switching frequency range can be set bet-  
ween 200kHz and 2.5MHz. The part may be clocked inter-  
nally at a frequency set by the resistor from the RT pin to  
ground, or it may be synchronized to an external clock.  
A buffered version of the clock signal is driven out of  
the CLKOUT pin, and may be used to synchronize other  
compatible switching regulator ICs to the LT3579.  
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20-Lead TSSOP and 20-Pin 4mm × 5mm QFN  
Packages  
APPLICATIONS  
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Local Power Supply  
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Vacuum Fluorescent Display (VFD) Bias Supplies  
The LT3579 also features innovative SHDN pin circuitry  
that allows for slowly varying input signals and an adjust-  
able undervoltage lockout function. Additional features  
such as frequency foldback and soft-start are integrated.  
The LT3579 is available in 20-lead TSSOP and 20-pin  
4mm × 5mm QFN packages.  
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TFT-LCD Bias Supplies  
Automotive Engine Control Unit (ECU) Power  
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All registered trademarks and trademarks are the property of their respective owners. Protected  
by U.S. Patents, including 7579816.  
TYPICAL APPLICATION  
Efficiency and Power Loss  
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1MHz, 5V to 12V Boost Converter with Output Short Circuit Protection  
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FAULT  
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SHDN  
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ꢚꢘꢖꢕꢛ ꢈꢂꢋꢌ  
Rev. B  
1
Document Feedback  
For more information www.analog.com  

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