Datasheet Texas Instruments TPS53211RGTT — 数据表

TPS53211
www.ti.com SLUSAA9A – SEPTEMBER 2011 – REVISED NOVEMBER 2012 Single-Phase PWM Controller with Light-Load Efficiency Optimization
FEATURES APPLICATIONS 1 1.5-V to 19-V Conversion Voltage Range
4.5-V to 14-V Supply Voltage Range
Voltage Mode Control
Skip Mode at Light Load for Efficiency
Optimization
High Precision 0.5% Internal 0.8-V Reference
Adjustable Output Voltage from 0.8 V to
0.7Г—VIN
Internal Soft-Start
Supports Pre-biased Startup
Supports Soft-Stop
Programmable Switching Frequency from
250 kHz to 1 MHz
Overcurrent Protection
Inductor DCR Sensing for Overcurrent
RDS(on) Sensing for Zero Current Detection
Overvoltage and Undervoltage Protection
Open Drain Power Good Indication
Internal Bootstrap Switch
Integrated High-Current Drivers Powered by
VCCDR …