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LTC3636

更新时间： 2024-11-20 14:58:23
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
29页 1761K
描述
双通道 6A、20V、单片式、同步降压型稳压器

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中文翻译

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LTC3636 数据手册

 浏览型号LTC3636的Datasheet PDF文件第2页浏览型号LTC3636的Datasheet PDF文件第3页浏览型号LTC3636的Datasheet PDF文件第4页浏览型号LTC3636的Datasheet PDF文件第5页浏览型号LTC3636的Datasheet PDF文件第6页浏览型号LTC3636的Datasheet PDF文件第7页 
LTC3636/LTC3636-1  
Dual Channel 6A, 20V Monolithic  
Synchronous Step-Down Regulator  
FEATURES  
DESCRIPTION  
The LTC®3636/LTC3636-1 is a high efficiency, dual-  
channel monolithic synchronous buck regulator using a  
controlled on-time current mode architecture, with phase  
lockable switching frequency. The operating supply volt-  
age range is from 3.1V to 20V, making it suitable for  
lithium-ion battery stacks as well as point of load power  
supply applications from a 12V or 5V input.  
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Wide V Range: 3.1V to 20V  
IN  
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Wide V  
Range:  
OUT  
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0.6V to 5V (LTC3636)  
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1.8V to 12V (LTC3636-1)  
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Output Current per Channel: 6A  
High Efficiency: Up to 95%  
Die Temperature Monitor  
Adjustable Switching Frequency: 500kHz to 4MHz  
External Frequency Synchronization  
Current Mode Operation for Excellent Line and  
Load Transient Response  
0.6V Reference Allows Low Output Voltages  
User Selectable Burst Mode® Operation or Forced  
Continuous Operation  
The operating frequency is programmable from 500kHz to  
4MHz with an external resistor and may be synchronized  
to an external clock signal. The high frequency capability  
allows the use of small surface mount inductors and  
capacitors. The unique constant frequency/controlled on-  
time architecture is ideal for high step-down ratio applica-  
tions that operate at high frequency while demanding fast  
transient response.  
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Output Voltage Tracking and Soft-Start Capability  
Short-Circuit Protected  
Overvoltage Input and Overtemperature Protection  
Power Good Status Outputs  
Low Profile 4mm × 5mm 28-Lead QFN Package  
AEC-Q100 Qualified for Automotive Applications  
The LTC3636/LTC3636-1 can select between forced con-  
tinuous mode and high efficiency Burst Mode operation.  
The LTC3636 and LTC3636-1 differ in their output voltage  
sense range.  
All registered trademarks and trademarks are the property of their respective owners. Protected  
by U.S. Patents including 5481178, 5847554, 6580258, 6304066, 6476589, 6774611.  
APPLICATIONS  
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Distributed Power Systems  
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Battery-Powered Instruments  
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Point-of-Load Power Supplies  
TYPICAL APPLICATION  
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ꢜꢁ  
ꢂꢔꢛ ꢄꢋ ꢃꢔꢛ  
Efficiency vs Load Current  
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ꢉꢊꢋꢋꢌꢂ  
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ꢗꢛ ꢅꢄ ꢏꢅ  
ꢈꢚꢃ  
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ꢀꢁꢂꢃ ꢄꢅRREꢆꢇ ꢈꢂꢉ  
ꢎꢏꢎꢏ ꢄꢅꢔꢂꢢ  
ꢀꢁꢀꢁ ꢂꢃꢄꢅꢆ  
Rev. E  
1
For more information www.analog.com  
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