TPS54617

更新时间： 2024-09-19 07:04:47

品牌	Logo	应用领域
德州仪器 - TI		开关输入元件
页数	文件大小	规格书
18页	585K
描述
3-V TO 6-V INPUT, 6-A, SMALL SYNCHRONOUS-BUCK SWITCHER WITH INTEGRATED FETs (SWIFT™)

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中文翻译

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数据手册
替代型号

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TPS54617 数据手册

Typical Size

3,5 mm x 7 mm

TPS54617

www.ti.com ........................................................................................................................................................................................... SLVS880–NOVEMBER 2008

3-V TO 6-V INPUT, 6-A, SMALL SYNCHRONOUS-BUCK

SWITCHER WITH INTEGRATED FETs (SWIFT™)

FEATURES

DESCRIPTION

•

30-mΩ MOSFET Switches for High Efficiency

at 6-A Continuous Output

As a member of the SWIFT™ family of dc/dc

regulators, the TPS54617 low-input voltage

high-output current synchronous buck PWM

converter offers the same features as the TPS54610

in a small package and higher switching frequency.

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 undervoltage-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.

•

Adjustable Output Voltage Down to 0.9 V With

1% Accuracy

•

Externally Compensated for Design Flexibility

Wide PWM Frequency: Fixed 350 kHz, 550 kHz,

or Adjustable 280 kHz to 1.6 MHz

•

Synchronizable to 1.6MHz

Load Protected by Peak Current Limit and

Thermal Shutdown

•

Small 3.5mm x 7mm Package and Similar

Layout to TPS54610 Reduces Board Area and

Total Cost

SWIFT Documentation Application Notes, and

SwitcherPro™ Software: www.ti.com/swift

The TPS54617 is available in a thermally enhanced

34 pin QFN (RUV) PowerPAD™ package, which

eliminates bulky heatsinks. TI provides evaluation

modules and the SwitcherPro™ design software tool

to aid in achieving high-performance power supply

designs to meet aggressive equipment development

cycles.

APPLICATIONS

•

Low-Voltage, High-Density Systems With

Power Distributed at 3.3 V or 5 V

Point of Load Regulation for High Performance

DSPs, FPGAs, ASICs, and Microprocessors

Broadband, Networking and Optical

Communications Infrastructure

SIMPLIFIED SCHEMATIC

EFFICIENCY vs OUTPUT CURRENT

TPS54617

VIN

Input

Output

SS/ENA

PWRGD

BOOT

PGND

V_I= 3 V

V_I= 3.3 V

V_I= 5 V

V_I= 6 V

COMP

SYNC

VBIAS

VSENSE

AGND

= 1600 kHz

V_O= 1.8 V

Compensation

Network

0.5 1 1.5

2.5 3 3.5 4 4.5 5 5.5

6.5

− Output Current − A

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.

SwitcherPro, SWIFT, PowerPAD are trademarks of Texas Instruments.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

中文翻译

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TPS54617 替代型号

型号	品牌	替代类型	描述	数据表
TPS54917	TI	功能相似	3-V TO 4-V INPUT, 9-A, SMALL SYNCHRONOUS-BUCK
TPS54618	TI	功能相似	2.95-V to 6-V Input, 6-A Output, 2-MHz, Synchronous Step-Down Switcher

与TPS54617相关器件

型号	品牌	获取价格	描述	数据表
TPS54617RUV	TI	获取价格	3-V TO 6-V INPUT, 6-A, SMALL SYNCHRONOUS-BUCK
TPS54617RUVR	TI	获取价格	3-V TO 6-V INPUT, 6-A, SMALL SYNCHRONOUS-BUCK
TPS54617RUVR/2801	TI	获取价格	输入电压为 3V 至 6V 的 6A 同步降压转换器 \| RUV \| 34 \| -40 t
TPS54617RUVT	TI	获取价格	3-V TO 6-V INPUT, 6-A, SMALL SYNCHRONOUS-BUCK
TPS54618	TI	获取价格	2.95-V to 6-V Input, 6-A Output, 2-MHz, Synchronous Step-Down Switcher
TPS54618C-Q1	TI	获取价格	汽车 2.95V 至 6V、6A、2MHz 同步降压转换器
TPS54618CQRTERQ1	TI	获取价格	汽车 2.95V 至 6V、6A、2MHz 同步降压转换器 \| RTE \| 16 \| -4
TPS54618RTER	TI	获取价格	2.95-V to 6-V Input, 6-A Output, 2-MHz, Synch
TPS54618RTET	TI	获取价格	2.95-V to 6-V Input, 6-A Output, 2-MHz, Synch
TPS5461X	TI	获取价格	SWIFT Converter Product Portfolio

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