TPS62916
- Low output 1/f noise < 20µVRMS(100Hz to 100kHz)
- Low output voltage ripple < 10µVRMS after ferrite bead
- High PSRR of > 65dB (up to 100kHz)
- 2.2MHz, 1.4MHz, or 1.0MHz fixed frequency peak current mode control
- Synchronizable with external clock (optional)
- Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
- Spread spectrum modulation (optional)
- 3.0V to 17V input voltage range
- 0.8V to 5.5V output voltage range
- 25mΩ/7mΩ RDSon
- Output voltage accuracy of ±1% over temperature
- Precise enable input allows
- User-defined undervoltage lockout
- Exact sequencing
- Adjustable soft start
- Power-good output
- Output discharge (optional)
- –40°C to 150°C junction temperature range
- 2. mm × 3.0mm QFN with 0.5mm pitch
- Create a custom design using the TPS6291x with the WEBENCH Power Designer
The TPS6291x devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, de-serializer, and radar applications.
To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.
The device operates at a fixed switching frequency of 2.2MHz, 1.4MHz, or 1MHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS6291x 3V to 17V, 4.5A/ 6A /8A , Low Noise and Low Ripple Buck Converter With Integrated Ferrite Bead Filter Compensation datasheet (Rev. C) | PDF | HTML | 2024年 6月 28日 |
| More literature | Low-Noise and Low-Ripple Techniques for a Supply Without an LDO (Rev. C) | PDF | HTML | 2025年 2月 19日 | |
| Certificate | TPS62916EVM EU Declaration of Conformity (DoC) | 2023年 10月 10日 |
設計與開發
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TPS62916EVM — 適用於 17-VIN、6-A 低雜訊低漣波降壓轉換器的 TPS62916 評估模組
TPS62916 評估模組 (EVM) (BSR265) 便利對 TPS62916 進行評估，其採用超薄四方扁平封裝無引線 HotRod™ (VQFN-HR) 封裝，是一款低雜訊 (<20 μVRMS) 與低漣波 (<10 μVRMS) 降壓電源轉換器。TPS62916EVM 使用 6-A TPS62916 從介於 3 V 到 17 V 之間的輸入電壓輸出 1.2-V 輸出電壓
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN-HR (RPY) | 14 | Ultra Librarian |
訂購與品質
- 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
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。