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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS54525

現行

4.5V 至 18V 輸入，5.5-A 同步降壓轉換器

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產品規格表

TPS54525

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) 5.5 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) 900 Duty cycle (max) (%) 95
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 5.5 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) 900 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 FETs optimized for lower duty cycle applications –63 mΩ (high side) and 33 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 overcurrent 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 FETs optimized for lower duty cycle applications –63 mΩ (high side) and 33 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 overcurrent limit
  • Power good output

The TPS54525 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54525 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 TPS54525 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The TPS54525 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 TPS54525 is available in the 14-pin HTSSOP package, and designed to operate from –40°C to 85°C.

The TPS54525 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54525 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 TPS54525 uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The TPS54525 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 TPS54525 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 4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter datasheet (Rev. B) PDF | HTML 2021年 4月 7日
EVM User's guide TPS54525 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021年 8月 26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

TPS54525EVM-608 — TPS54525 評估模組

The TPS54525EVM-608 evaluation module (EVM) helps designers evaluate the performance of the TPS54525 Synchronous Step-Down Converter with D-CAP2™ Mode. The EVM is a single, synchronous buck converter providing a 1.05 V output at 5.5 A from a 4.5-V to 18-V input. Terminal blocks are provided for (...)
使用指南: PDF | HTML
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模擬型號

TPS54525 PSpice Transient Model

SLVM591.ZIP (91 KB) - PSpice Model
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模擬型號

TPS54525 TINA-TI Transient Reference Design

SLVM720.TSC (799 KB) - TINA-TI Reference Design
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模擬型號

TPS54525 TINA-TI Transient Spice Model

SLVM721.ZIP (42 KB) - TINA-TI Spice Model
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