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TPS54020 - 小型10A,4.5V 至17V 输入
TPS54020是TI德州仪器公司的一款转换器(集成开关)产品,TPS54020是小型10A,4.5V 至17V 输入,本站介绍了TPS54020的封装应用图解、特点和优点、功能等,并给出了与TPS54020相关的TI元器件型号供参考。
TPS54020 - 小型10A,4.5V 至17V 输入 - 转换器(集成开关) - DC/DC开关稳压器 - 德州仪器
- Integrated 8-mΩ and 6-mΩ MOSFETs
- Thermally Enhanced 3.5-mm × 3.5-mm HotRod™ Package
- Peak Current Mode Control
- Eco-mode™ Pulse Skip for Higher Efficiency
- Overcurrent Protection for Both MOSFETs
- Selectable Overcurrent Protection Schemes
- Selectable Overcurrent Protection Levels
- Split Power Rail: 1.6 V to 17 V on PVIN
- 0.6-V Voltage Reference With ±1% Accuracy
- 200-kHz to 1.2-MHz Switching Frequency
- Synchronizes to External Clock
- Start-Up Into Prebiased Outputs
- Overtemperature and Overvoltage Protection
- –40°C to 150°C Operating Junction Temperature Range
- Adjustable Soft-Start and Power Sequencing
- Power-Good Output Monitor for Undervoltage and Overvoltage
- SYNC_OUT Function Provides Output Clock Signal 180° Out-of-Phase
- Supported by WEBENCH® Software Tool
- For SWIFT™ Documentation and WEBENCH, visit http://www.ti.com/swift
- Power for FPGAs, SoCs, DSPs and Processors
- Wireless, Data, and Cloud Infrastructure
- Gaming, DTV, STB, and Smart Grid Systems
The TPS54020 is a 10-A, 4.5-V to 17-V input SWIFT converter. The innovative 3.5 mm × 3.5 mm HotRod package optimizes high-density step-down designs. The TPS54020 is a full-featured converter.
High efficiency is achieved through the innovative integration and packaging of the high-side and low-side MOSFETs. The TPS54020 operates at continuous current mode (CCM) at higher load conditions, and transitions to Eco-mode while skipping pulses to boost the efficiency at light loads.
Current limiting on both MOSFETs provides device and system protection. Cycle-by-cycle current limiting in the high-side MOSFET protects for overload situations. Low-side MOSFET zero current detection turns off the low-side MOSFET while operating under light loads. Three selectable current-limit thresholds allow a good fit for various applications. A hiccup or cycle-by-cycle overcurrent protection scheme is also selectable.
Thermal shutdown protection disables switching when die temperature exceeds the thermal shutdown trip point and enables switching after the built-in thermal hysteresis and shutdown hiccup time.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| TPS54020 | VQFN (15) | 3.50 mm × 3.50 mm |
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