Datasheet Texas Instruments TPS542941PWPR — 数据表

TPS542941
www.ti.com SLVSBI3B – JULY 2012 – REVISED OCTOBER 2013 2A/3A Dual Channel Synchronous Step-Down Switcher with Integrated FET
Check for Samples: TPS542941 FEATURES APPLICATIONS 1 2 D-CAP2в„ў Control Mode
– Fast Transient Response
– No External Parts Required For Loop
Compensation
– Compatible with Ceramic Output
Capacitors
Wide Input Voltage Range : 4.5 V to 18 V
Output Voltage Range : 0.76V to 7V
Highly Efficient Integrated FETs Optimized for
Low Duty Cycle Applications
– 150 mΩ (High Side) and 100 mΩ (Low Side)
High Initial Reference Accuracy
2A CH1 / 3A CH2 Continuous Load Current
Low-Side rDS(on) Loss-Less Current Sensing
Fixed Soft Start : 1.0ms
Non-Sinking Pre-Biased Soft Start
Powergood
700 kHz Switching Frequency
Cycle-by-Cycle Over-Current Limit Control
OCL/UVLO/TSD Protections
Hiccup Timer for Overload Protection …