產品規格表
TPS5405
- Fixed 5-V Output
- 6.5-V to 28-V Wide Input Voltage Range
- Up to 2-A Maximum Continuous Output Loading Current
- Pulse Skipping Mode to Achieve High Light Load Efficiency
- Over 80% Efficiency at 10-mA Loading
- Adjustable 50-kHz to 1.1-MHz Switching Frequency Set by an
External Resistor (Leave pin ROSC floating. Set frequency to
120 kHz) - Peak Current-Mode Control
- Cycle-by-Cycle Over Current Protection
- Switching Node Anti-Ringing to Ease EMI Issue
- External Soft Start
- Available in SOIC8 Package
The TPS5405 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 6.5 V to 28 V. Current mode control with internal slope compensation is implemented to reduce component count.
TPS5405 also features a light load pulse skipping mode, which allows for a power loss reduction from the input power supply to the system at light loading.
The switching frequency of the converters can be set from 50 kHz to 1.1 MHz with an external resistor. Frequency spread spectrum operation is introduced for EMI reduction.
LX anti-ringing is added to address high frequency EMI issues.
A cycle-by-cycle current limit with frequency fold back protects the IC at over loading condition.
技術文件
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檢視所有 1 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | Monolithic Non-Synchronous Step-Down Regulator With Integrated MOSFET datasheet (Rev. B) | 2013年 4月 19日 |
設計與開發
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開發板
TPS5405EVM — TPS5405 評估模組
The TPS5405 is designed to provide fixed 5-V output and 2-A continuous current with an operational range of 6.5 V to 28 V and an external set switching frequency ranging from 50 kHz to 1.1 MHz.
- Fixed 5-V Output
- 6.5-V to 28-V Wide Input Voltage Range
- Up to 2-A Maximum Continuous Output Loading Current
- (...)
使用指南: PDF
參考設計
TIDA-00940 — 效率高達 80% 且具有 15dB 容限 EMI 性能的 3W 非隔離式偏壓電源參考設計
TIDA-00940 is a 3-W, non-isolated bias power supply with up to 80% efficiency and excellent EMI performance, designed for motor control and drive subsystems in major appliances to save system costs, and other main benefits here. This reference design provides two non-isolated outputs with buck (...)
參考設計
PMP4467 — 採用 TO220 封裝的 6.5V 至 28Vin、5V 1.3A 輸出 DC/DC 參考設計模組
The PMP4467 is a 6.5V to 28Vin, +5Vout, 1.3A reference design module which is implemented in TO220 package, targetting for general LDO replacement. The design includes a non-synchronous step-down regulator TPS5405. The solution has high efficiency, good line, load regulation. The power module was (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (D) | 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