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TPS56528

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具有高级 Eco-Mode™ 的 4.5V 至 18V 输入,5A 同步降压转换器

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TPS565242 正在供货 采用 SOT-563 封装的 3V 至 16V 输入电压、5A ECO 模式同步降压转换器 Upgraded with higher efficiency and smaller package

产品详情

Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 7 Vout (min) (V) 0.6 Features Enable, Light-load efficiency, Soft-start fixed, Synchronous rectification Control mode D-CAP2 Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00025 Duty cycle (max) (%) 65
Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 7 Vout (min) (V) 0.6 Features Enable, Light-load efficiency, Soft-start fixed, Synchronous rectification Control mode D-CAP2 Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00025 Duty cycle (max) (%) 65
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm)
  • 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: 0.6 V to 7 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications –68 mΩ (High-Side) and 37 mΩ (Low-Side)
  • High Efficiency, Less Than 10 µA at Shutdown
  • High Initial Band-Gap Reference Accuracy
  • Prebiased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Advanced Auto-Skip Eco-Mode™ for High Efficiency at Light Load
  • Power Good Output
  • Fixed Soft Start: 1 ms
  • 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: 0.6 V to 7 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications –68 mΩ (High-Side) and 37 mΩ (Low-Side)
  • High Efficiency, Less Than 10 µA at Shutdown
  • High Initial Band-Gap Reference Accuracy
  • Prebiased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Advanced Auto-Skip Eco-Mode™ for High Efficiency at Light Load
  • Power Good Output
  • Fixed Soft Start: 1 ms

The TPS56528 device is an adaptive on-time D-CAP2&rade; mode synchronous buck converter. The TPS56528 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 TPS56528 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and advanced Eco-Mode™ operation at light loads. Advanced Eco-Mode™ allows the TPS56528 to maintain high efficiency during lighter load conditions. The TPS56528 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 0.6 V and 7 V. The device also features a fixed 1-ms soft-start time and power good output. The TPS56528 is available in the 8-pin SO PowerPAD™ package, and designed to operate from –40°C to 85°C.

The TPS56528 device is an adaptive on-time D-CAP2&rade; mode synchronous buck converter. The TPS56528 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 TPS56528 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and advanced Eco-Mode™ operation at light loads. Advanced Eco-Mode™ allows the TPS56528 to maintain high efficiency during lighter load conditions. The TPS56528 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 0.6 V and 7 V. The device also features a fixed 1-ms soft-start time and power good output. The TPS56528 is available in the 8-pin SO PowerPAD™ package, and designed to operate from –40°C to 85°C.

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技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 TPS56528 4.5-V to 18-V Input, 5-A Synchronous Step-Down Converter With Advanced Eco-Mode™ 数据表 (Rev. B) PDF | HTML 2016-11-30
选择指南 Buck Converter Quick Reference Guide (Rev. B) 2021-4-8
模拟设计期刊 Agency requirements for stand-by power consumption w/ offline and PoL converters 2016-1-26

设计与开发

如需其他信息或资源,请点击以下任一标题进入详情页面查看(如有)。

仿真模型

TPS56528 TINA-TI Transient Reference Design

SLVM886.TSC (720 KB) - TINA-TI 参考设计
支持的产品和硬件
仿真模型

TPS56528 TINA-TI Transient Spice Model

SLVM885.ZIP (47 KB) - TINA-TI Spice 模型
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仿真模型

TPS56528 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM855A.ZIP (51 KB) - PSpice 模型
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封装 引脚 CAD 符号、封装和 3D 模型
HSOIC (DDA) 8 Ultra Librarian

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