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TPS54910

更新时间： 2024-11-17 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 198K
描述
3-V TO 4-V INPUT, 9-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFT)

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TPS54910 数据手册

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Typical Size  
6,4 mm X 9,7 mm  
www.ti.com  
TPS54910  
SLVS421B – MARCH 2002 – REVISED AUGUST 2002  
3-V TO 4-V INPUT, 9-A OUTPUT SYNCHRONOUS BUCK PWM  
SWITCHER WITH INTEGRATED FETs (SWIFT )  
FEATURES  
DESCRIPTION  
D
15-mΩ MOSFET Switches for High Efficiency  
at 9-A Continuous Output  
0.9-V to 2.5-V Adjustable Output Voltage  
Externally Compensated With 1% Accuracy  
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  
As a member of the SWIFT family of dc/dc regulators,  
the TPS54910 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 V; an internally and  
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.  
D
D
D
D
D
D
APPLICATIONS  
The TPS54910 is available in a thermally enhanced  
28-pin TSSOP (PWP) PowerPAD package, which  
eliminates bulky heatsinks. TI 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.  
D
D
Low-Voltage, High-Density Systems With  
Power Distributed at 3.3 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  
SIMPLIFIED SCHEMATIC  
EFFICIENCY AT 700 kHz  
SIMPLIFIED SCHEMATIC  
100  
95  
VIN  
PH  
Input  
Output  
90  
85  
80  
75  
70  
65  
60  
55  
50  
TPS54910  
BOOT  
PGND  
VBIAS  
COMP  
VSENSE  
AGND  
V
V
= 3.3 V,  
I
Compensation  
Network  
= 2.5 V  
O
0
1
2
3
4
5
6
7
8
9
10 11 12  
I
– Output Current – A  
O
Pleasebe 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 TexasInstruments.  
PRODUCTION DATA information is current as of publication date. Products  
conform to specifications per the terms of Texas Instruments standard warranty.  
Production processing does not necessarily include testing of all parameters.  
Copyright 2002, Texas Instruments Incorporated  
1234567...15

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TPS54910 替代型号

型号 品牌 替代类型 描述 数据表
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