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TPS54350

正在供货

具有低侧 栅极驱动的 4.5V 至 20V 输入、3A 同步降压转换器

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open-in-new 比较替代产品
功能与比较器件相同但引脚有所不同
TPS543320 正在供货 4V 至 18V、3A SWIFT™ 同步降压转换器 This product offers higher efficiency, better accuracy and smaller size.
功能与比较器件相似
LM27402 正在供货 具有 DCR 电流感应的 3V 至 20V 电压模式同步降压控制器 Wider Vin support and more switching frequency options

产品详情

Vin (min) (V) 4.5 Vin (max) (V) 20 Vout (min) (V) 0.9 Vout (max) (V) 12 Iout (max) (A) 3 Iq (typ) (mA) 5 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 700 Features Enable, Frequency synchronization, Phase Interleaving, Power good, Synchronous Rectification Operating temperature range (°C) -40 to 150 Rating Catalog Regulated outputs (#) 1 Control mode Voltage mode Duty cycle (max) (%) 80 Type Converter
Vin (min) (V) 4.5 Vin (max) (V) 20 Vout (min) (V) 0.9 Vout (max) (V) 12 Iout (max) (A) 3 Iq (typ) (mA) 5 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 700 Features Enable, Frequency synchronization, Phase Interleaving, Power good, Synchronous Rectification Operating temperature range (°C) -40 to 150 Rating Catalog Regulated outputs (#) 1 Control mode Voltage mode Duty cycle (max) (%) 80 Type Converter
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • 100 m, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current
  • Uses External Lowside MOSFET or Diode
  • Output Voltage Adjustable Down to 0.891 V With 1% Accuracy
  • Synchronizes to External Clock
  • 180° Out of Phase Synchronization
  • Wide PWM Frequency – Fixed 250 kHz, 500 kHz or Adjustable 250 kHz to 700 kHz
  • Internal Slow Start
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Adjustable Undervoltage Lockout
  • 16-Pin TSSOP PowerPAD™ Package
  • APPLICATIONS
    • Industrial & Commercial Low Power Systems
    • LCD Monitors and TVs
    • Computer Peripherals
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors

PowerPAD and SWIFT are trademarks of Texas Instruments.

  • 100 m, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current
  • Uses External Lowside MOSFET or Diode
  • Output Voltage Adjustable Down to 0.891 V With 1% Accuracy
  • Synchronizes to External Clock
  • 180° Out of Phase Synchronization
  • Wide PWM Frequency – Fixed 250 kHz, 500 kHz or Adjustable 250 kHz to 700 kHz
  • Internal Slow Start
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Adjustable Undervoltage Lockout
  • 16-Pin TSSOP PowerPAD™ Package
  • APPLICATIONS
    • Industrial & Commercial Low Power Systems
    • LCD Monitors and TVs
    • Computer Peripherals
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors

PowerPAD and SWIFT are trademarks of Texas Instruments.

The TPS54350 is a medium output current synchronous buck PWM converter with an integrated high side MOSFET and a gate driver for an optional low side external MOSFET. Features include a high performance voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter inductors and capacitors. The TPS54350 has an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 4.5 V; an internal slow-start circuit to limit in-rush currents; and a power good output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out of phase synchronization.

The TPS54350 device is available in a thermally enhanced 16-pin TSSOP (PWP) PowerPAD™ package. 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.

The TPS54350 is a medium output current synchronous buck PWM converter with an integrated high side MOSFET and a gate driver for an optional low side external MOSFET. Features include a high performance voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter inductors and capacitors. The TPS54350 has an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 4.5 V; an internal slow-start circuit to limit in-rush currents; and a power good output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out of phase synchronization.

The TPS54350 device is available in a thermally enhanced 16-pin TSSOP (PWP) PowerPAD™ package. 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.

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类型 标题 下载最新的英语版本 日期
* 数据表 4.5V to 20V Input, 3-A Output Synchronous PWM Switcher w/Integrated FET (SWIFT) 数据表 (Rev. C) 2004年 10月 28日
应用手册 低纹波电源的峰值电流模式转换器次级滤波器设计 – 第 II 部 分:针对稳定性的混合检测网络设计 PDF | HTML 英语版 PDF | HTML 2024年 2月 28日
用户指南 TPS54350 Step-Down Converter Evaluation Module User's Guide (Rev. B) PDF | HTML 2021年 10月 18日
EVM 用户指南 TPS54550 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 8月 25日
应用手册 Seminar 900 Topic 2 - Snubber Circuits: Theory, Design and Application 2001年 2月 15日

设计和开发

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评估板

TPS54350EVM-235 — 3A, 输入电压为 4.5V 至 20V 且输出电压可调节的 DC/DC 转换器

The TPS54350EVM-235 evaluation module allows the designer to evaluate the TPS54350 SWIFT DC/DC converter optimized for small size and low height. The inductor and capacitors selected allow a wide 6-18V input and a 3.3V output up to 3A. The output voltage can be easily adjusted for lower DSP and (...)

用户指南: PDF | HTML
TI.com 上无现货
仿真模型

TPS54350 TINA-TI Transient Reference Design

SLVM745.TSC (400 KB) - TINA-TI Reference Design
仿真模型

TPS54350 TINA-TI Transient Spice Model

SLVM746.ZIP (56 KB) - TINA-TI Spice Model
仿真模型

TPS54350 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM337A.ZIP (43 KB) - PSpice Model
光绘文件

Gerber File for TPS54350EVM

SLVC041.ZIP (106 KB)
光绘文件

Gerber File for TPS5435xEVM

SLVC042.ZIP (157 KB)
模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用,包括业内超大的模型库之一,涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库,您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案,然后再进行布局和制造,可缩短产品上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中,您可以搜索 TI (...)
封装 引脚 下载
HTSSOP (PWP) 16 查看选项

订购和质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息:
  • 制造厂地点
  • 封装厂地点

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