主頁 電源管理 AC/DC 和 DC/DC 轉(zhuǎn)換器（集成 FET）

TPS54328

正在供貨

具有 Eco-Mode? 的 4.5V 至 18V 輸入，3A 同步降壓轉(zhuǎn)換器

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功能與比較器件相似
TPS563211 正在供貨 采用 SOT583 封裝且具有 1% 精度、PG/SS 和 PFM/強(qiáng)制 PWM 的 4.2V 至 18V、3A 同步降壓轉(zhuǎn)換器 Upgrade with improved performance, pricing and smaller package.

產(chǎn)品詳情

Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 7 Vout (min) (V) 0.76 Features Enable, Light-load efficiency, Soft-start adjustable, Synchronous rectification Control mode D-CAP2 Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (μA) 800 Duty cycle (max) (%) 65 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 7 Vout (min) (V) 0.76 Features Enable, Light-load efficiency, Soft-start adjustable, Synchronous rectification Control mode D-CAP2 Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (μA) 800 Duty cycle (max) (%) 65 Type Converter
HSOIC (DDA) 8 29.4 mm2 4.9 x 6 VSON (DRC) 10 9 mm2 3 x 3
  • D-CAP2? Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 7 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications
    • 100 mΩ (High-Side) and 70 mΩ (Low-Side)
  • High Efficiency, Less Than 10 μA at Shutdown
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 700-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Auto-Skip Eco-Mode? for High Efficiency at Light Load
  • D-CAP2? Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 7 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications
    • 100 mΩ (High-Side) and 70 mΩ (Low-Side)
  • High Efficiency, Less Than 10 μA at Shutdown
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 700-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Auto-Skip Eco-Mode? for High Efficiency at Light Load

The TPS54328 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54328 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54328 uses the D-CAP2 mode control that provides a fast transient response with no external compensation components.

The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode operation at light loads. Eco-mode allows the TPS54328 to maintain high efficiency during lighter load conditions. The TPS54328 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V input (VIN).

The output voltage can be programmed from 0.76 V to 7 V. The device also features an adjustable soft start time. The TPS54328 is available in 8-pin DDA and 10-pin DRC packages, and is designed to operate over the ambient temperature range of –40°C to 85°C.

The TPS54328 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54328 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54328 uses the D-CAP2 mode control that provides a fast transient response with no external compensation components.

The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode operation at light loads. Eco-mode allows the TPS54328 to maintain high efficiency during lighter load conditions. The TPS54328 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V input (VIN).

The output voltage can be programmed from 0.76 V to 7 V. The device also features an adjustable soft start time. The TPS54328 is available in 8-pin DDA and 10-pin DRC packages, and is designed to operate over the ambient temperature range of –40°C to 85°C.
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類型 標(biāo)題 下載最新的英語版本 日期
* 數(shù)據(jù)表 TPS54328 4.5-V to 18-V Input, 3-A Synchronous Step-Down Converter With Eco-Mode? 數(shù)據(jù)表 (Rev. D) PDF | HTML 2016年 8月 17日
用戶指南 TPS54328 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 10月 11日
選擇指南 電源管理指南 2018 (Rev. K) 2018年 7月 31日
選擇指南 電源管理指南 2018 (Rev. R) 2018年 6月 25日
應(yīng)用手冊(cè) Optimize Output Filter on D-CAP2 for Stability Improvement 2017年 6月 13日
應(yīng)用手冊(cè) TPS54X28 應(yīng)用指導(dǎo) 2015年 9月 2日
應(yīng)用手冊(cè) 基于帶有紋波注入谷底檢測(cè)定導(dǎo)通時(shí)間頻域分析的D-CAP2?頻率響應(yīng)模型 英語版 2015年 9月 2日

設(shè)計(jì)和開發(fā)

如需其他信息或資源，請(qǐng)點(diǎn)擊以下任一標(biāo)題進(jìn)入詳情頁面查看（如有）。

評(píng)估板

TPS54328EVM-686 — 用于 TPS54328 3A 同步降壓轉(zhuǎn)換器（具有 Eco-Mode）的評(píng)估模塊

TPS54328EVM-686 是一款組裝完備且經(jīng)過測(cè)試的電路，用于評(píng)估 TPS54328 同步降壓轉(zhuǎn)換器。TPS54328EVM-686 在 4.5V 至 18V 輸入電壓范圍內(nèi)運(yùn)行，在高達(dá) 3A 的負(fù)載下提供 1.05V 的輸出電壓。TPS54328 的主控制環(huán)路采用 D-CAP2™ 控制模式，無需在相位補(bǔ)償中使用外部組件即可實(shí)現(xiàn)超快的瞬態(tài)響應(yīng)。

用戶指南: PDF | HTML
TI.com 上無現(xiàn)貨
仿真模型

TPS54328 TINA-TI Transient Reference Design

SLVM338.TSC (652 KB) - TINA-TI Reference Design
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仿真模型

TPS54328 TINA-TI Transient Spice Model

SLVM339.ZIP (39 KB) - TINA-TI Spice Model
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仿真模型

TPS54328 Unencrypted PSPICE Transient Model Package (Rev. A)

SLVM109A.ZIP (41 KB) - PSpice Model
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封裝 引腳 CAD 符號(hào)、封裝和 3D 模型
HSOIC (DDA) 8 Ultra Librarian
VSON (DRC) 10 Ultra Librarian

訂購和質(zhì)量

包含信息：
  • RoHS
  • REACH
  • 器件標(biāo)識(shí)
  • 引腳鍍層/焊球材料
  • MSL 等級(jí)/回流焊峰值溫度
  • MTBF/時(shí)基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續(xù)可靠性監(jiān)測(cè)
包含信息：
  • 制造廠地點(diǎn)
  • 封裝廠地點(diǎn)

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