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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS54627

現行

採用 HTSSOP 封裝的 4.5-V 至 18-V、6-A 同步降壓轉換器

立即訂購
產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
TPS566238 現行 具有強制連續傳導模式的 3-V 至 18-V 輸入、6-V 同步降壓穩壓器 Higher efficiency converter in a smaller package.

TPS54627

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP2 Vout (min) (V) 0.76 Vout (max) (V) 5.5 Iq (typ) (µA) 950 Duty cycle (max) (%) 65
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP2 Vout (min) (V) 0.76 Vout (max) (V) 5.5 Iq (typ) (µA) 950 Duty cycle (max) (%) 65
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • D-CAP2™ Mode Enables Fast Transient Response
  • Low-Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input-Voltage Range: 4.5 V to 18 V
  • Output-Voltage Range: 0.76 V to 5.5 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty-Cycle Applications
    • 36 mΩ (High-Side) and 28 mΩ (Low-Side)
  • High Efficiency, Less Than 10 µA at Shutdown
  • High Initial Bandgap-Reference Accuracy
  • Adjustable Soft Start
  • Prebiased Soft Start
  • 650-kHz Switching Frequency
  • Cycle-by-Cycle Overcurrent Limit
  • D-CAP2™ Mode Enables Fast Transient Response
  • Low-Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input-Voltage Range: 4.5 V to 18 V
  • Output-Voltage Range: 0.76 V to 5.5 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty-Cycle Applications
    • 36 mΩ (High-Side) and 28 mΩ (Low-Side)
  • High Efficiency, Less Than 10 µA at Shutdown
  • High Initial Bandgap-Reference Accuracy
  • Adjustable Soft Start
  • Prebiased Soft Start
  • 650-kHz Switching Frequency
  • Cycle-by-Cycle Overcurrent Limit

The TPS54627 device is an adaptive on-time D-CAP2 mode synchronous-buck converter. The TPS54627 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 TPS54627 uses the D-CAP2 mode control that provides a fast transient response with no external compensation components. The TPS54627 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 VIN input. The output voltage can be programmed between 0.76 V and 5.5 V. The device also features an adjustable soft-start time. The TPS54627 is available in the 8-pin SO PowerPAD package, and designed to operate from –40°C to 85°C.

The TPS54627 device is an adaptive on-time D-CAP2 mode synchronous-buck converter. The TPS54627 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 TPS54627 uses the D-CAP2 mode control that provides a fast transient response with no external compensation components. The TPS54627 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 VIN input. The output voltage can be programmed between 0.76 V and 5.5 V. The device also features an adjustable soft-start time. The TPS54627 is available in the 8-pin SO PowerPAD package, and designed to operate from –40°C to 85°C.
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類型 標題 日期
* Data sheet TPS54627 4.5-V to 18-V Input, 6-A Synchronous Step-Down Converter datasheet (Rev. B) PDF | HTML 2016年 12月 23日
EVM User's guide TPS54627 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 8月 23日
Application note Optimize Output Filter on D-CAP2 for Stability Improvement 2017年 6月 13日

設計與開發

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開發板

TPS54627EVM-052 — TPS54627 6A 同步降壓轉換器評估模組

The Texas Instruments TPS54627EVM-052 evaluation module is a fully assembled and tested circuit for evaluating the TPS54627 4.5-V to 18-V input, 1.05-V output, 6-A synchronous converter.
使用指南: PDF | HTML
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模擬型號

TPS54627 TINA-TI Transient Reference Design

SLVMA01.TSC (180 KB) - TINA-TI Reference Design
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模擬型號

TPS54627 TINA-TI Transient Spice Model

SLVMA02.ZIP (48 KB) - TINA-TI Spice Model
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模擬型號

TPS54627 Unencrypted PSpice Transient Model Package (Rev. B)

SLVM851B.ZIP (75 KB) - PSpice Model
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