L6732中文资料Adjustable step-down controller with synchronous rectification数据手册ST规格书

特性 Features

• Predictive anti-cross conduction control
• High current embedded drivers
• Selectable switching frequency 250KHz/500KHz
• Programmable high-side and low-side RDS(on) sense over-current-protection
• Power good output
• Pre-bias start up capability
• Over voltage protection
• Master/slave synchronization with 180˚ phase shift
• Thermal shut-down
• External input voltage reference
• 0% to 100% duty cycle
• Input voltage range from 1.8V to 14V
• Adjustable output voltage down to 0.6V with ±0.8% accuracy over line voltage and temperature (0˚C~125˚C)
• Supply voltage range from 4.5V to 14V
• TON lower than 100ns
• Soft-start and inhibit
• Fixed frequency voltage mode control
• Package: HTSSOP16

简介

L6732属于集成电路（IC）的PMIC-稳压器-DCDC开关式控制器。由ST制造生产的L6732DC-DC 开关控制器PMIC（电源管理集成电路）DC 到 DC 开关式控制器是用于高效率电路的稳压 IC，其配置为生成高于（突升或步升）或低于（突降或步降）输入电源的输出电源电压。其他拓扑结构可能包括：降压-升压、反激、正激、Cuk、SEPIC、全桥、半桥和推挽式。这些器件不同于需要最小电压并“烧尽”多余电压的线性稳压器。