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TPS54350MPWPREP

更新时间： 2024-11-08 12:47:11
品牌 Logo 应用领域
德州仪器 - TI 输出元件输入元件
页数 文件大小 规格书
36页 1198K
描述
4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET (SWIFT™)

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TPS54350MPWPREP 数据手册

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TPS54350-EP  
6
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4
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www.ti.com  
SGLS308–OCTOBER 2005  
4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM  
SWITCHER WITH INTEGRATED FET (SWIFT™)  
FEATURES  
APPLICATIONS  
•
•
•
•
Industrial & Commercial Low Power Systems  
LCD Monitors and TVs  
Computer Peripherals  
Point of Load Regulation for High  
Performance DSPs, FPGAs, ASICs, and  
Microprocessors  
•
Controlled Baseline  
– One Assembly/Test Site, One Fabrication  
Site  
•
•
Extended Temperature Performance of -55°C  
to 125°C  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
DESCRIPTION  
•
•
•
Enhanced Product-Change Notification  
The TPS54350 is  
a
medium output current  
(1)  
Qualification Pedigree  
synchronous buck PWM converter with an integrated  
high side MOSFET and a gate driver for an optional  
low side external MOSFET. Features include a high  
performance voltage error amplifier that enables  
maximum performance under transient conditions  
and flexibility in choosing the output filter inductors  
100 mW, 4.5-A Peak MOSFET Switch for High  
Efficiency at 3-A Continuous Output Current  
•
•
Uses External Lowside MOSFET or Diode  
Output Voltage Adjustable Down to 0.891 V  
With 2% Accuracy  
and  
capacitors.  
The  
TPS54350  
has  
an  
•
•
•
Synchronizes to External Clock  
under-voltage-lockout circuit to prevent start-up until  
the input voltage reaches 4.5 V; an internal slow-start  
circuit to limit in-rush currents; and a power good  
output to indicate valid output conditions. The  
synchronization feature is configurable as either an  
input or an output for easy 180° out of phase  
synchronization.  
180° Out of Phase Synchronization  
Wide PWM Frequency – Fixed 250 kHz,  
500 kHz or Adjustable 250 kHz to 700 kHz  
•
•
Internal Slow Start  
Load Protected by Peak Current Limit and  
Thermal Shutdown  
The TPS54350 device is available in a thermally  
enhanced 16-pin TSSOP (PWP) PowerPAD™  
package. Texas Instruments provides evaluation  
modules and the SWIFT™ designer software tool to  
aid in quickly achieving high-performance power  
supply designs to meet aggressive equipment  
development cycles.  
•
•
Adjustable Undervoltage Lockout  
16-Pin TSSOP PowerPAD™ Package  
(1) Component qualification in accordance with JEDEC and  
industry standards to ensure reliable operation over an  
extended temperature range. This includes, but is not limited  
to, Highly Accelerated Stress Test (HAST) or biased 85/85,  
temperature cycle, autoclave or unbiased HAST,  
electromigration, bond intermetallic life, and mold compound  
life. Such qualification testing should not be viewed as  
justifying use of this component beyond specified  
performance and environmental limits.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PowerPAD, SWIFT are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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TPS54350MPWPREP 替代型号

型号 品牌 替代类型 描述 数据表
V62/06610-01XE TI

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 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS P
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