MAX1717
动态可调、同步降压型控制器,用于笔记本CPU
业内首款单芯片、Intel SpeedStep CPU供电方案
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产品详情
- Quick-PWM Architecture
- ±1% VOUT Accuracy Over Line and Load
- 5-Bit On-Board DAC with Input Mux
- Precision-Adjustable VOUT Slew Control
- 0.925V to 2V Output Adjust Range
- Supports Voltage-Positioned Applications
- 2V to 28V Battery Input Range
- Requires a Separate +5V Bias Supply
- 200/300/550/1000kHz Switching Frequency
- Over/Undervoltage Protection
- Drives Large Synchronous-Rectifier FETs
- 700µA (typ) ICC Supply Current
- 2µA (typ) Shutdown Supply Current
- 2V ±1% Reference Output
- VGATE Transition-Complete Indicator
- Small 24-Pin QSOP Package
应用
- 从2节至4节Li+电池产生CPU核电源的转换器
- 5V至CPU核电源转换器
- 带有Intel SpeedStep®或其它动态可调处理器的笔记本电脑
参考资料
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