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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS54625

現行

採用 HTSSOP 封裝的 4.5-V 至 18-V、6.5-A 同步降壓轉換器

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TPS54J061 現行 4-V 至 16-V 輸入、6-A 同步降壓轉換器、600-mV 參考電壓和打嗝模式電流限制 Higher efficiency converter in a smaller package.

TPS54625

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) 6.5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Power good, 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) (%) 95
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 6.5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Power good, 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) (%) 95
HTSSOP (PWP) 14 32 mm² 5 x 6.4
  • 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 FET’s 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
  • Pre-Biased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle By Cycle Over Current Limit
  • Power Good Output
  • 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 FET’s 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
  • Pre-Biased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle By Cycle Over Current Limit
  • Power Good Output

The TPS54625 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54625 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution.

The main control loop for the TPS54625 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The TPS54625 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 and a power good function. The TPS54625 is available in the 14-pin HTSSOP package, and designed to operate from –40°C to 85°C.

The TPS54625 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54625 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution.

The main control loop for the TPS54625 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The TPS54625 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 and a power good function. The TPS54625 is available in the 14-pin HTSSOP package, and designed to operate from –40°C to 85°C.
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類型 標題 日期
* Data sheet 4.5-V to 18-V Input, 6.5-A Synchronous Step-Down Converter datasheet (Rev. A) PDF | HTML 2022年 10月 18日
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 2024年 4月 30日
EVM User's guide TPS54625 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 8月 23日

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開發板

TPS54625EVM-608 — TPS54625 同步降壓轉換器評估模組

The Texas Instruments TPS54625EVM-608 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS54625 Synchronous Step-Down Converter. The EVM is a nominal 4.5 V to 18 V input, 1.05 V output synchronous buck converter with integrated FETs capable of sourcing up to 6.5 A (...)
使用指南: PDF | HTML
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模擬型號

TPS54625 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM919A.ZIP (61 KB) - PSpice Model
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HTSSOP (PWP) 14 檢視選項
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