4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

文件：1.71793 Mbytes 页数：42 Pages

TI

德州仪器

4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ

文件：1.4374 Mbytes 页数：38 Pages

TI

德州仪器

4.7V to 60V Input, 50mA Synchronous Step-Down Converter with Low IQ

文件：751.62 Kbytes 页数：30 Pages

TI

德州仪器

具有低静态电流 (IQ) 的 4.7V 至 60V 输入，50mA 同步降压转换器

TPS54062 器件是一款 60V、50mA 同步降压转换器，集成有高侧和低侧 MOSFET。电流模式控制提供了简单的外部补偿和组件选择的灵活性。非开关电源电流为 89µA。使用使能引脚可将关断电源电流减少至 1.7 µA。\n\n欠压锁定电压在内部设定为 4.5V，但可通过精确使能引脚将其升高。输出电压启动斜坡由内部缓慢启动时间控制。 \n\n可调节开关频率范围可实现高效率并优化外部组件尺寸。频率折返和热关断功能可在过载情况下对部件提供保护。 • 集成高侧和低侧金属氧化物半导体场效应晶体管 (MOSFET) \n• 峰值电流模式控制 \n• 提升轻载效率的二极管仿真\n• 89µA（典型值）运行静态电流 \n• 100kHz 至 400kHz 可调节开关频率\n• 同步至外部时钟\n• 内部软启动\n• 0.8V±2% 电压基准\n• 与陶瓷输出电容或低成本铝制电解电容搭配使用时保持稳定\n• 逐周期电流限制、过热和频率折返保护\n• 微型小外形尺寸 (MSOP)-8 和 3mm×3mm 超薄小外形尺寸无引线 (VSON)-8 封装;

TI

德州仪器

TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

1 Features • Integrated High-Side and Low-Side MOSFET • Peak Current Mode Control • Diode Emulation for Improved Light-Load Efficiency • 89 μA (typical) Operating Quiescent Current • 100-kHz to 400-kHz Adjustable Switching Frequency • Synchronizes to External Clock • Internal Slow-Start

文件：1.58086 Mbytes 页数：44 Pages

TI

德州仪器

TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

1 Features • Integrated High-Side and Low-Side MOSFET • Peak Current Mode Control • Diode Emulation for Improved Light-Load Efficiency • 89 μA (typical) Operating Quiescent Current • 100-kHz to 400-kHz Adjustable Switching Frequency • Synchronizes to External Clock • Internal Slow-Start

文件：1.58086 Mbytes 页数：44 Pages

TI

德州仪器

TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

1 Features • Integrated High-Side and Low-Side MOSFET • Peak Current Mode Control • Diode Emulation for Improved Light-Load Efficiency • 89 μA (typical) Operating Quiescent Current • 100-kHz to 400-kHz Adjustable Switching Frequency • Synchronizes to External Clock • Internal Slow-Start

文件：1.58086 Mbytes 页数：44 Pages

TI

德州仪器

TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

1 Features • Integrated High-Side and Low-Side MOSFET • Peak Current Mode Control • Diode Emulation for Improved Light-Load Efficiency • 89 μA (typical) Operating Quiescent Current • 100-kHz to 400-kHz Adjustable Switching Frequency • Synchronizes to External Clock • Internal Slow-Start

文件：1.58086 Mbytes 页数：44 Pages

TI

德州仪器

TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

1 Features • Integrated High-Side and Low-Side MOSFET • Peak Current Mode Control • Diode Emulation for Improved Light-Load Efficiency • 89 μA (typical) Operating Quiescent Current • 100-kHz to 400-kHz Adjustable Switching Frequency • Synchronizes to External Clock • Internal Slow-Start

文件：1.58086 Mbytes 页数：44 Pages

TI

德州仪器

TPS54062 4.7-V to 60-V Input, 50-mA Synchronous Step-Down Converter With Low IQ

1 Features • Integrated High-Side and Low-Side MOSFET • Peak Current Mode Control • Diode Emulation for Improved Light-Load Efficiency • 89 μA (typical) Operating Quiescent Current • 100-kHz to 400-kHz Adjustable Switching Frequency • Synchronizes to External Clock • Internal Slow-Start

文件：1.58086 Mbytes 页数：44 Pages

TI

德州仪器