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TPS54810

更新时间： 2024-11-19 22:49:39
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
15页 213K
描述
4-V TO 6-V INPUT, 8-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETS

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中文翻译

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TPS54810 数据手册

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6,4 mm X 9,7 mm  
www.ti.com  
ꢀꢁ ꢂ ꢃꢄ ꢅꢆ ꢇ  
SLVS420A − MARCH 2002 − R EVISED AUGUST 2002  
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FEATURES  
DESCRIPTION  
D
D
D
D
D
30-mΩ MOSFET Switches for High Efficiency  
As a member of the SWIFTfamily of dc/dc regulators,  
the TPS54810 low-input voltage high-output current  
synchronous buck PWM converter integrates all  
required active components. Included on the substrate  
with the listed features are a true, high performance,  
voltage error amplifier that enables maximum  
performance under transient conditions and flexibility in  
choosing the output filter L and C components; an  
under-voltage-lockout circuit to prevent start-up until  
the input voltage reaches 3.8 V; an internally or  
externally set slow-start circuit to limit in-rush currents;  
and a power good output useful for processor/logic  
reset, fault signaling, and supply sequencing.  
at 8-A Continuous Output  
0.9-V to 3.3-V Adjustable Output Voltage  
Range With 1% Accuracy  
Externally Compensated  
Fast Transient Response  
Wide PWM Frequency:  
Fixed 350 kHz, 550 kHz or  
Adjustable 280 kHz to 700 kHz  
Load Protected by Peak Current Limit and  
Thermal Shutdown  
Integrated Solution Reduces Board Area and  
Total Cost  
D
D
The TPS54810 is available in a thermally enhanced  
28-pin TSSOP (PWP) PowerPADpackage, which  
eliminates bulky heatsinks. TI provides evaluation  
modules and the SWIFTdesigner software tool to aid  
in quickly achieving high-performance power supply  
designs to meet aggressive equipment development  
cycles.  
APPLICATIONS  
D
D
Low-Voltage, High-Density Systems With  
Power Distributed at 5 V  
Point of Load Regulation for High  
Performance DSPs, FPGAs, ASICs and  
Microprocessors  
D
D
Broadband, Networking, and Optical  
Communications Infrastructure  
Portable Computing/Notebook PCs  
EFFICIENCY AT 700 HZ  
SIMPLIFIED SCHEMATIC  
Input  
100  
V
V
= 5 V  
I
Output  
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
= 3.3 V  
O
VIN  
PH  
TPS54810  
BOOT  
PGND  
VBIAS  
AGND  
COMP  
VSENSE  
0
1
2
3
4
5
6
7
8
9
10  
Compensation Network  
I
− Load Current − A  
L
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 and SWIFT are trademarks of Texas Instruments.  
ꢁꢔ ꢊ ꢛꢎ ꢒ ꢀꢌ ꢊꢍ ꢛ ꢐꢀꢐ ꢟꢠ ꢡꢢ ꢣ ꢤꢥ ꢦꢟꢢꢠ ꢟꢧ ꢨꢩ ꢣ ꢣ ꢪꢠꢦ ꢥꢧ ꢢꢡ ꢫꢩꢬ ꢭꢟꢨ ꢥꢦꢟ ꢢꢠ ꢮꢥ ꢦꢪꢯ ꢁꢣ ꢢꢮꢩ ꢨꢦꢧ  
ꢨ ꢢꢠ ꢡꢢꢣ ꢤ ꢦꢢ ꢧ ꢫꢪ ꢨ ꢟ ꢡꢟ ꢨ ꢥ ꢦꢟ ꢢꢠꢧ ꢫ ꢪꢣ ꢦꢰꢪ ꢦꢪ ꢣ ꢤꢧ ꢢꢡ ꢀꢪꢱ ꢥꢧ ꢌꢠꢧ ꢦꢣ ꢩꢤ ꢪꢠꢦ ꢧ ꢧꢦ ꢥꢠꢮ ꢥꢣ ꢮ ꢲ ꢥꢣ ꢣ ꢥ ꢠꢦꢳꢯ  
ꢁꢣ ꢢ ꢮꢩꢨ ꢦ ꢟꢢ ꢠ ꢫꢣ ꢢ ꢨ ꢪ ꢧ ꢧ ꢟꢠ ꢴ ꢮꢢ ꢪ ꢧ ꢠꢢꢦ ꢠꢪ ꢨꢪ ꢧꢧ ꢥꢣ ꢟꢭ ꢳ ꢟꢠꢨ ꢭꢩꢮ ꢪ ꢦꢪ ꢧꢦꢟ ꢠꢴ ꢢꢡ ꢥꢭ ꢭ ꢫꢥ ꢣ ꢥꢤ ꢪꢦꢪ ꢣ ꢧꢯ  
Copyright 2002, Texas Instruments Incorporated  
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中文翻译

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TPS54810 替代型号

型号 品牌 替代类型 描述 数据表
TPS54910 TI

功能相似

 3-V TO 4-V INPUT, 9-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFT)
TPS54610 TI

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 3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs
TPS54010 TI

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 2.2 - 4 -V, 14-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFT)

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 		4-V TO 6-V INPUT, 8-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETS
TPS54810PWPG4 TI

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 		4.5 to 5.5V Input, 8A Synchronous Step-Down Converter 28-HTSSOP -40 to 85
TPS54810PWPR TI

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 		输入电压为 4.5 至 5.5V 的 8A 同步降压转换器 | PWP | 28 | -4
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 		4.5 to 5.5V Input, 8A Synchronous Step-Down SWIFT™ Converter 28-HTSSOP -40 to 85
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 		4.5 V to 17 V Input, 8 A Synchronous Step Dow
TPS54821_16 TI

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 		4.5 V to 17 V Input, 8 A Synchronous Step Down Converter
TPS54821RHLR TI

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 		4.5 V to 17 V Input, 8 A Synchronous Step Dow
TPS54821RHLT TI

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 		4.5 V to 17 V Input, 8 A Synchronous Step Dow
TPS54824 TI

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 		采用 HotRod™ QFN 封装的 4.5V 至 17V、8A 同步 SWIFT™ 降压
TPS54824RNVR TI

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 		采用 HotRod™ QFN 封装的 4.5V 至 17V、8A 同步 SWIFT™ 降压

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