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AC/DC & DC/DC converters (integrated 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

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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

Iout (max) (A) 6 Vin (min) (V) 4.5 Vin (max) (V) 18 Topology Buck Type Converter 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 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00095
Iout (max) (A) 6 Vin (min) (V) 4.5 Vin (max) (V) 18 Topology Buck Type Converter 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 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00095
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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