Datasheet Texas Instruments TPS40170MRGYTEP — 数据表

TPS40170-EP
www.ti.com SLVSBT7A – MARCH 2013 – REVISED APRIL 2013 4.5-V TO 60-V WIDE-INPUT SYNCHRONOUS PWM BUCK CONTROLLER
Check for Samples: TPS40170-EP FEATURES 1 2 Wide-Input Voltage Range from 4.5 V to 60 V
600-mV Reference Voltage With 1% Accuracy
Programmable UVLO and Hysteresis
Voltage-Mode Control With Voltage FeedForward
Programmable Frequency Between 100 kHz
and 600 kHz
Bidirectional Frequency Synchronization With
Master/Slave Option
Low-Side FET Sensing Overcurrent Protection
and High-Side FET Sensing Short-Circuit
Protection With Integrated Thermal
Compensation
Programmable Closed-Loop Soft-Start
Supports Pre-Biased Outputs
Thermal Shutdown at 165В°C With Hysteresis
Voltage Tracking
Power Good
ENABLE With 1-ВµA Low-Current Shutdown
8-V and 3.3-V LDO Output
Integrated Bootstrap Diode
20-Pin 3.5-mm Г— 4.5-mm QFN (RGY) Package APPLICATIONS POL Modules …