TPS54062
- Integrated High-Side and Low-Side MOSFET
- Peak Current Mode Control
- Diode Emulation for Improved Light-Load Efficiency
- 89 µA (typical) Operating Quiescent Current
- 100-kHz to 400-kHz Adjustable Switching Frequency
- Synchronizes to External Clock
- Internal Slow-Start
- 0.8 V ±2% Voltage Reference
- Stable with Ceramic Output Capacitors or Low-Cost Aluminum Electrolytic
- Cycle-by-Cycle Current Limit, Thermal and Frequency Foldback Protection
- MSOP-8 and 3mm × 3mm VSON-8 Packages
The TPS54062 device is a 60-V, 50-mA, synchronous step-down converter with integrated high-side and low-side MOSFETs. Current mode control provides simple external compensation and flexible component selection. The non-switching supply current is 89 µA. Using the enable pin, shutdown supply current is reduced to 1.7 µA.
Undervoltage lockout is internally set at 4.5 V, but can be increased using the accurate enable pin threshold. The output voltage start-up ramp is controlled by the internal slow-start time.
Adjustable switching frequency range allows efficiency and external component size to be optimized. Frequency foldback and thermal shutdown protects the part during an overload condition.
技術文件
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檢視所有 7 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ datasheet (Rev. D) | PDF | HTML | 2016年 7月 21日 |
| Selection guide | Buck Converter Quick Reference Guide (Rev. B) | 2021年 4月 8日 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
| Application note | Using the TPS54061 to Create an Inverting Power Supply | 2012年 7月 17日 | ||
| EVM User's guide | TPS54062EVM-695, 0.05-A, SWIFT(TM) Regulator Evaluation Module (Rev. A) | 2012年 2月 15日 | ||
| Application note | Improved Load Current Capability for Cap-Drop Off-Line Power Supply for E-Meter | 2011年 10月 27日 | ||
| Application note | Understanding and Applying Current-Mode Control Theory | 2007年 8月 19日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
開發板
TPS54062EVM-695 — 適用於 TPS54062 同步降壓轉換器的評估模組
The TPS54062EVM-695 is a fully assembled and tested circuit for evaluating the TPS54062 Synchronous Step-Down SWIFT Converter. The TPS54062EVM-695 operates from an 8V to 60V input (24V nominal) and provides a 3.3V output at 50mA.
使用指南: PDF
計算工具
SLVC392 — Capacitor Drop Design Calculator
支援產品和硬體
產品
AC/DC 和 DC/DC 轉換器 (整合式 FET)
參考設計
TIDA-01437 — 具有 IO-Link 介面的 RGB 訊號燈參考設計
This reference design implements a five-segment LED smart stack light with 20 LEDs used in factory floor and industrial process automation of greater complexity. An IO-Link interface is implemented for controlling the stack light and reading back status information. The design features low power (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VSON (DRB) | 8 | Ultra Librarian |
| VSSOP (DGK) | 8 | Ultra Librarian |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點