Datasheet > TPS54310_15

TPS54310_15

更新时间： 2024-11-30 00:34:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
28页	1256K
描述
3-V to 6-V Input, 3-A Output Synchronous-Buck PWM Switcher With Integrated FETs (SWIFTâ¢)

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TPS54310

SLVS412E –DECEMBER 2001–REVISED DECEMBER 2014

3-V to 6-V Input, 3-A Output Synchronous-Buck PWM Switcher With Integrated FETs

(SWIFT™)

1 Features

3 Description

As members of the SWIFT™ family of dc/dc

regulators, the TPS54310 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

provides high performance under transient conditions;

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

•

60-mΩ MOSFET Switches for High Efficiency at

3-A Continuous Output Source or Sink Current

•

Adjustable Output Voltage Down to 0.9 V With 1%

Accuracy

•

Externally Compensated for Design Flexibility

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

currents; and a power good output useful for

processor/logic reset, fault signaling, and supply

sequencing.

Integrated Solution Reduces Board Area and

Total Cost

The TPS54310 device is available in a thermally

enhanced 20-pin HTSSOP (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.

2 Applications

•

Low-Voltage, High-Density Systems With Power

Distributed at 5 V or 3.3 V

•

Point of Load Regulation for High

Performance DSPs, FPGAs, ASICs, and

Microprocessors

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Broadband, Networking and Optical

Communications Infrastructure

HTSSOP

PowerPAD (20)

TPS54310

6.30 mm × 6.40 mm

Portable Computing/Notebook PCs

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Efficiency vs Load Current

Simplified Schematic

Input

Output

VIN

TPS54310

BOOT

PGND

VSENSE

VBIAS

AGND COMP

= 25°C

V = 5 V

= 3.3 V

0.5

1.5

2.5

Load Current − A

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...28

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与TPS54310_15相关器件

型号	品牌	获取价格	描述	数据表
TPS54310-EP	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT,SYNCHRONOUS BUCK
TPS54310-EP_16	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT, SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFT)
TPS54310MPWPREP	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT,SYNCHRONOUS BUCK
TPS54310PWP	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTEGRATED FETs
TPS54310PWPG4	TI	获取价格	输入电压为 3V 至 6V 的 3A 同步降压转换器 \| PWP \| 20 \| -40 t
TPS54310PWPR	TI	获取价格	3V to 6V Input, 3A Synchronous Step-Down Converter 20-HTSSOP -40 to 125
TPS54310PWPRG4	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK
TPS54310-Q1	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTERRATED FERs (SWIFT)
TPS54310QPWPRQ1	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTERRATED FERs (SWIFT)
TPS54311	TI	获取价格	3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTEGRATED FETs

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