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AC/DC & DC/DC converters (integrated FET)

TPS54527

現行

4.5V 至 18V 輸入，5-A 同步降壓轉換器

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產品規格表

TPS54527

現行
產品規格表 立即訂購

產品詳細資料

Iout (max) (A) 5 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) 6 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0009
Iout (max) (A) 5 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) 6 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0009
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 Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 6 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications: 65 mΩ (High Side) and 36 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 Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 6 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications: 65 mΩ (High Side) and 36 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 TPS54527 is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54527 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 TPS54527 uses the D-CAP2 mode control which provides a fast transient response with no external compensation components. The TPS54527 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 a 4.5-V to 18-V input. The output voltage can be programmed from 0.76 V to 6 V. The device also features an adjustable soft-start time. The TPS54527 is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.

The TPS54527 is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54527 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 TPS54527 uses the D-CAP2 mode control which provides a fast transient response with no external compensation components. The TPS54527 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 a 4.5-V to 18-V input. The output voltage can be programmed from 0.76 V to 6 V. The device also features an adjustable soft-start time. The TPS54527 is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.
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類型 標題 日期
* Data sheet TPS54527 4.5-V to 18-V Input, 5-A Synchronous Step-Down Converter datasheet (Rev. D) PDF | HTML 2016年 8月 25日
EVM User's guide TPS54527 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 8月 25日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note Optimize Output Filter on D-CAP2 for Stability Improvement 2017年 6月 13日
Application note D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On- 2013年 1月 2日

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開發板

TPS54527EVM-052 — 適用於具有 D-CAP2 模式之 TPS54527 同步降壓轉換器的評估模組

The TPS54527EVM-052 evaluation module is a fully assembled and tested circuit for evaluating the TPS54527 synchronous step-down DC/DC converter. The TPS54527EVM-052 operates from a 4.5-V to 18-V supply and provides a 1.05-V output up to 5-A load. The main control loop of TPS54527 uses D-CAP2™ (...)

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