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TPS561243中文資料德州儀器數(shù)據手冊PDF規(guī)格書

TPS561243
廠商型號

TPS561243

功能描述

TPS56124x 4.2V to 17V Input, 1A, Synchronous Buck Converter in SOT563

文件大小

1.50232 Mbytes

頁面數(shù)量

29

生產廠商 Texas Instruments
企業(yè)簡稱

TI1德州儀器

中文名稱

德州儀器官網

原廠標識
數(shù)據手冊

下載地址一下載地址二到原廠下載

更新時間

2024-12-25 19:05:00

TPS561243規(guī)格書詳情

1 Features

? Configured for a wide range of applications

– Input voltage range: 4.2V to 17V

– Output voltage range: 0.6V to 7V

– Reference voltage: 0.6V

– ±1.5 reference voltage accuracy

– Integrated FETs: 100mΩ and 55mΩ

– Low quiescent current for TPS561243: 110μA

– Switching frequency: 1280kHz

– Maximum 95 large duty cycle operation

– Fixed soft-start time: 1.4ms

? Easy of use and small design size

– TPS561243 Eco-mode and TPS561246 FCCM

mode at light load

– D-CAP3? control mode with fast transient

response

– Support start-up with prebiased output

– Non-latch for OV, OT, and UVLO protection

– Cycle-by-cycle over current limit

– Hiccup mode for UV protection

– Operating junction temperature range: –40°C to

125°C

– SOT563 package: 1.6mm × 1.6mm

? Create a custom design using the TPS56124x with

the WEBENCH? Power Designer

2 Applications

? WLAN/Wi-Fi access point

? Modem (cable/DSL/GFAST)

? Small business router

? Electricity meter

? STV and DVR

? Appliances

3 Description

The TPS56124x is a simple, easy-to-use,

synchronous buck converter with input voltage

ranging from 4.2V to 17V and supports up to 1A

continuous current.

The device is designed to operate with minimum

external component counts and low standby current.

This switch mode power supply (SMPS) device

employs D-CAP3 control mode providing a fast

transient response and supporting both low

equivalent series resistance (ESR) output capacitors

such as specialty polymer and ultra-low ESR

ceramic capacitors with no external compensation

components.

The TPS561243 operates in Eco-mode, which

maintains high efficiency during light load operation.

The TPS561246 operates in FCCM mode, which

keeps the same frequency and lower output ripple

during all load conditions. The TPS56124x integrates

complete protection including OCP, UVLO, OTP, and

UVP with hiccup.

The TPS56224x is available in a 6-pin, 1.6mm

× 1.6mm SOT563 (DRL) package. The junction

temperature is specified from –40°C to 125°C.

供應商 型號 品牌 批號 封裝 庫存 備注 價格
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