TPS54341_15 datasheet(1/48 Pages) TI

tên linh kiện	TPS54341

Giải thích chi tiết về linh kiện	4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode?

PDF	48 Pages

Scroll/Zoom	100%

nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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1 / 48 page

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0

0.5

1

1.5

2

2.5

3

3.5

I

O - Output Current (A)

C099

V

OUT = 12 V, fsw = 620 kHz,

V

OUT = 5 V and 3.3 V, f sw = 400 kHz

12 V to 5 V

12 V to 3.3 V

36 V to 12 V

SW

VIN

GND

BOOT

FB

COMP

EN

RT/CLK

VIN

VOUT

TPS54341

SS/TR

PWRGD

TPS54341

www.ti.com

SLVSC61 – NOVEMBER 2013

4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode™

Check for Samples: TPS54341

1

FEATURES

DESCRIPTION

The TPS54341 device is a 42-V 3.5-A step-down

23

•

High Efficiency at Light Loads with Pulse

regulator with an integrated high-side MOSFET. The

Skipping Eco-mode™

device survives load-dump pulses up to 45 V per ISO

•

87-m

Ω High-Side MOSFET

7637. Current mode control provides simple external

•

152-

μA Operating Quiescent Current and

compensation and flexible component selection. A

low-ripple pulse-skip mode reduces the no-load

2-

μA Shutdown Current

supply current to 152

μA. Shutdown supply current is

•

100-kHz to 2.5-MHz Adjustable Switching

reduced to 2

μA when the enable pin is pulled low.

Frequency

Undervoltage lockout is internally set at 4.3 V but can

•

Synchronizes to External Clock

increase using an external resistor divider at the

•

Low Dropout at Light Loads with Integrated

enable pin. The output voltage startup ramp is

BOOT Recharge FET

controlled by the soft start pin that can also be

•

Adjustable UVLO Voltage and Hysteresis

configured for sequencing/tracking. An open-drain

power-good signal indicates the output is within 93%

•

UV and OV Power-Good Output

to 106% of the nominal voltage.

•

Adjustable Soft-Start and Sequencing

A wide adjustable switching-frequency range allows

•

0.8-V 1% Internal Voltage Reference

for optimization of either efficiency or external

•

10-Pin SON with Thermal Pad Package

component

size.

Cycle-by-cycle

current

limit,

•

–40°C to 150°C TJ Operating Range

frequency foldback and thermal shutdown protects

internal and external components during an overload

•

Supported by WEBENCH® Software Tool

condition.

APPLICATIONS

The TPS54341 device is available in a 10-pin 4-mm ×

4-mm SON package.

•

Industrial Automation and Motor Control

•

Vehicle Accessories: GPS (see SLVA412),

Entertainment

•

USB-Dedicated Charging Ports and Battery

Chargers (see SLVA464)

•

12-V and 24-V Industrial, Automotive and

Communications Power Systems

SIMPLIFIED SCHEMATIC

EFFICIENCY vs LOAD CURRENT

1

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.

2

Eco-mode is a trademark of Texas Instruments.

3

WEBENCH is a registered trademark of Texas Instruments.

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.

Số phần tương tự - TPS54341_15

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	TPS54341DPRR	2Mb / 52P	TPS54341 4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start And Eco-Mode™ REVISED OCTOBER 2016
	TPS54341DPRR.A	2Mb / 52P	TPS54341 4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start And Eco-Mode™ REVISED OCTOBER 2016
	TPS54341DPRR.B	2Mb / 52P	TPS54341 4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start And Eco-Mode™ REVISED OCTOBER 2016
	TPS54341DPRRG4	2Mb / 52P	TPS54341 4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start And Eco-Mode™ REVISED OCTOBER 2016
	TPS54341DPRRG4.A	2Mb / 52P	TPS54341 4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start And Eco-Mode™ REVISED OCTOBER 2016

More results

Mô tả tương tự - TPS54341_15

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	TPS54340	1Mb / 43P	42 V Input, 3.5 A, Step Down DC-DC Converter with Eco-mode
	TPS54340-Q1	1Mb / 43P	4.5-V to 42-V Input, 3.5-A, Step-Down DC-DC Converter with Eco-mode
	TPS54540-Q1	2Mb / 44P	4.5 V to 42 V Input, 5 A, Step Down DC-DC Converter with Eco-mode
	TPS54541	2Mb / 48P	4.5-V to 42-V Input, 5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode
	TPS54361	2Mb / 51P	TPS54361 4.5-V to 60-V Input, 3.5-A, Step-Down DC-DC Converter With Soft-Start and Eco- Mode?
	TPS54541	2Mb / 52P	TPS54541 4.5-V to 42-V Input, 5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode?
	TPS54361-Q1	2Mb / 50P	TPS54361-Q1 4.5-V to 60-V Input, 3.5-A, Step Down DC-DC Converter with Soft-Start and Eco-mode
	TPS54340B-Q1	1Mb / 43P	4.5-V to 42-V Input, 3.5-A, Step-Down DC-DC Converter With Eco-Mode
	TPS54540B-Q1	2Mb / 44P	4.5-V to 42-V Input, 5-A, Step-Down DC-DC Converter With Eco-mode
	TPS54340B	1Mb / 46P	42-V Input, 3.5-A, Step-Down DC/DC Converter With Eco-Mode

More results

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