MAX15026低成本、小尺寸、4.5V至28V宽工作-MaximIntegrated.PDF

EVALUATION KIT AVAILABLE 19-4108; Rev 5; 11/12 备有评估板 MAX15026 MAX15026 Low-Cost, Small, 4.5V to 28V Wide Operating 低成本、小尺寸、4.5V至28V宽工作范围的 Range, DC-DC Synchronous Buck Controller - DC DC同步buck控制器 General Description Features The MAX15026 synchronous step-down controller oper- 4.5V to 28V or 5V ±10% Input Supply Range ates from a 4.5V to 28V input voltage range and gener- 0.6V to (0.85 x VIN) Adjustable Output 概述 特性 ates an adjustable output voltage from 85% of the input Adjustable 200kHz to 2MHz Switching Frequency MAX15026同步降压控制器工作在4.5V至28V输入电压范 ●● 4.5V至28V或5V●±10%输入电压范围 voltage down to 0.6V while supporting loads up to 25A. Ability to Start into a Prebiased Load 围内，可产生调节范围为输入电压的85%到低至0.6V的输 ●● 0.6V至(0.85●x●VIN)可调输出 The device allows monotonic startup into a prebiased Lossless, Cycle-by-Cycle Valley Mode Current 出电压，支持高达25A的负载电流。器件允许单调启动至 ●● 200kHz至2MHz可调开关频率 bus without discharging the output and features adap- Limit with Adjustable, Temperature-Compensated Threshold 预偏置而不对输出放电，并具有自适应的内部数字软启动 ●● 可启动至预偏置负载 tive internal d