Maxim Power MAX17541G同步降壓式直流-直流轉換器
Maxim MAX17541G同步降壓直流-直流轉換器是一種高效的高壓直流-直流轉換器，隨附輸入工作電壓為4.5V至42V的整合式MOSFET。該逆變器可提供高達500mA電流，產生0.9V至高達0.92 x VIN的輸出電壓。回饋(FB)電壓在-40°C到+125°C內準確到±1.7%。MAX17541G採用具有脈衝寬度調製(PWM)的峰值電流模式控制，在任何負載下以固定的600kHz開關頻率工作。該設備以10引腳 (3mmx2mm) TDFN封裝形式提供。
Features
- Reduces External Components and Total Cost
- No Schottky-Synchronous Operation
- All-Ceramic Capacitors, Ultra-Compact Layout
- Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 42V Input
- Adjustable 0.9V to 92%VIN Output
- Delivers up to 500mA
- Reduces Power Dissipation
- Peak Efficiency > 90%
- Shutdown Current = 0.9μA (typ)
- Operates Reliably in Adverse Industrial Environments
- Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
- Built-In Output-Voltage Monitoring (Active-Low RESET Pin)
- Programmable EN/UVLO Threshold
- Adjustable Soft-Start and Prebiased Power-Up
- -40°C to +125°C Operation
應用
- Base Station, VOIP, Telecom
- Battery-Powered Equipment
- General-Purpose Point of Load
- Home Theater
- HVAC and Building Control
- Industrial Process Control
發佈日期: 2016-03-23
| 更新日期: 2023-04-12