TPS53219

更新时间： 2024-09-29 08:38:59

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
26页	859K
描述
Wide Input Voltage, Eco-mode?, Single Synchronous Step-Down Controller

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TPS53219 数据手册

TPS53219

www.ti.com

SLUSAA8 –NOVEMBER 2010

Wide Input Voltage, Eco-mode™, Single Synchronous Step-Down Controller

Check for Samples: TPS53219

FEATURES

APPLICATIONS

•

Point-of-Load Systems

•

Wide Input Voltage Range: 4.5 V to 28 V

Output Voltage Range: 0.6 V to 5.5 V

Wide Output Load Range: 0 A to > 20 A

Built-In 0.6-V Reference

–

Storage Computer

Server Computer

Multi-Function Printer

Embedded Computing

•

Built-In LDO Linear Voltage Regulator

Auto-Skip Eco-mode™ for Light-Load

Efficiency

DESCRIPTION

The TPS53219 is small-sized single buck controller

with adaptive on-time D-CAP™ mode control. The

device is suitable for low output voltage, high current,

PC system power rail and similar point-of-load (POL)

power supplies in digital consumer products. The

small package and minimal pin-count save space on

the PCB, while the dedicated EN pin and pre-set

frequency selections simplify the power supply

design. The skip-mode at light load conditions, strong

gate drivers and low-side FET R_DS(on)current sensing

supports low-loss and high efficiency, over a broad

load range. The conversion input voltage (high-side

FET drain voltage) range is between 3 V and 28 V,

and the output voltage range is between 0.6 V and

5.5 V. The TPS53219 is available in a 16-pin, QFN

package specified from –40°C to 85°C.

•

D-CAP™ Mode with 100-ns Load-Step

Response

Adaptive On-Time Control Architecture with 8

Selectable Frequency Settings

•

4700ppm/°C R_DS(on)Current Sensing

0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable

Internal Voltage Servo Soft-Start

•

Pre-Charged Start-up Capability

Built-In Output Discharge

Power Good Output

Integrated Boost Switch

Built-in OVP/UVP/OCP

Thermal Shutdown (Non-latch)

3 mm × 3mm QFN, 16-Pin (RGT) Package

OUT

VREG

VIN

CSD86350

PGOOD NC VBST DRVH

SW 12

TRIP

DRVL 11

VDRV 10

TPS53219

VFB

TGR

VREG

MODE VDD

GND PGND

PGND

UDG-10100

VDD

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, D-CAP 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...26

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与TPS53219相关器件

型号	品牌	获取价格	描述	数据表
TPS53219A	TI	获取价格	Wide Input Voltage, Eco-modeâ¢, Single Synch
TPS53219A_15	TI	获取价格	Single Synchronous Step-Down Controller
TPS53219ARGTR	TI	获取价格	Wide Input Voltage, Eco-modeâ¢, Single Synch
TPS53219ARGTT	TI	获取价格	Wide Input Voltage, Eco-modeâ¢, Single Synch
TPS53219RGTR	TI	获取价格	Wide Input Voltage, Eco-mode, Single Synchronous Step-Down Controller
TPS53219RGTT	TI	获取价格	Wide Input Voltage, Eco-mode, Single Synchronous Step-Down Controller
TPS53310	TI	获取价格	3-A Step-Down Regulator with Integrated Switcher
TPS53310RGTR	TI	获取价格	具有集成 MOSFET 的 2.9V 至 6V、3A 降压转换器 \| RGT \| 16 \|
TPS53310RGTT	TI	获取价格	2.9V to 6V, 3-A Step-Down Converter with Int
TPS53311	TI	获取价格	3-A Step-Down Regulator with Integrated Switcher

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