Datasheet > TPS54560_13

TPS54560_13

更新时间： 2024-11-08 12:16:15

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
43页	2044K
描述
4.5 V to 60 V Input, 5 A, Step Down DC-DC Converter with Eco-mode

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TPS54560_13 数据手册

TPS54560

www.ti.com

SLVSBN0 –MARCH 2013

4.5 V to 60 V Input, 5 A, Step Down DC-DC Converter with Eco-mode™

Check for Samples: TPS54560

FEATURES

•

High Efficiency at Light Loads with Pulse

Skipping Eco-mode™

•

8-Pin HSOIC with PowerPAD™ Package

–40°C to 150°C T_JOperating Range

•

92-mΩ High-Side MOSFET

Supported by WEBENCH™ Software Tool

146 μA Operating Quiescent Current and

2 μA Shutdown Current

APPLICATIONS

•

100 kHz to 2.5 MHz Fixed Switching Frequency

Synchronizes to External Clock

•

Industrial Automation and Motor Control

Vehicle Accessories: GPS, Entertainment

Low Dropout at Light Loads with Integrated

BOOT Recharge FET

USB Dedicated Charging Ports and Battery

Chargers

•

Adjustable UVLO Voltage and Hysteresis

0.8 V 1% Internal Voltage Reference

•

12 V, 24 V and 48 V Industrial, Automotive and

Communications Power Systems

DESCRIPTION

The TPS54560 is a 60 V, 5 A, step down regulator with an integrated high side MOSFET. The device survives

load dump pulses up to 65V per ISO 7637. Current mode control provides simple external compensation and

flexible component selection. A low ripple pulse skip mode reduces the no load supply current to 146 μA.

Shutdown supply current is reduced to 2 μA when the enable pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using the enable pin. The output voltage start

up ramp is internally controlled to provide a controlled start up and eliminate overshoot.

A wide switching frequency range allows either efficiency or external component size to be optimized. Output

current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protects internal and external

components during an overload condition.

The TPS54560 is available in an 8-pin thermally enhanced HSOIC PowerPAD™ package.

SIMPLIFIED SCHEMATIC

EFFICIENCY vs LOAD CURRENT

100

V_IN

36 V to 12 V

VIN

BOOT

TPS54560

V_OUT

12 V to 3.3 V

12 V to 5 V

COMP

V_OUT= 12 V, fsw = 800kHz,

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

RT/CLK

0.5

1.5

2.5

3.5

4.5

GND

C024

I_O- 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.

Eco-mode, PowerPAD, WEBENCH are trademarks 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.

12 3 4 5 6 7...43

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与TPS54560_13相关器件

型号	品牌	获取价格	描述	数据表
TPS54560B	TI	获取价格	具有 Eco-Mode™ 的 4.5V 至 60V 输入、5A、降压直流/直流转换器
TPS54560BDDA	TI	获取价格	具有 Eco-Mode™ 的 4.5V 至 60V 输入、5A、降压直流/直流转换器 \|
TPS54560BDDAR	TI	获取价格	具有 Eco-Mode™ 的 4.5V 至 60V 输入、5A、降压直流/直流转换器 \|
TPS54560B-Q1	TI	获取价格	具有 Eco-mode™ 的 4.5V 至 60V 输入、5A 降压直流/直流转换器
TPS54560BQDDAQ1	TI	获取价格	具有 Eco-mode™ 的 4.5V 至 60V 输入、5A 降压直流/直流转换器 \|
TPS54560BQDDARQ1	TI	获取价格	具有 Eco-mode™ 的 4.5V 至 60V 输入、5A 降压直流/直流转换器 \|
TPS54560DDA	VISHAY	获取价格	4.5 V to 60 V Input, 5 A, Step Down DC-DC Con
TPS54560DDA	TI	获取价格	4.5 V to 60 V Input, 5 A, Step Down DC-DC Con
TPS54560DDAR	TI	获取价格	4.5 V to 60 V Input, 5 A, Step Down DC-DC Con
TPS54560DDAR	VISHAY	获取价格	4.5 V to 60 V Input, 5 A, Step Down DC-DC Con

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