Datasheet Texas Instruments TPS56428DDA — 数据表

Product
Folder Sample &
Buy Support &
Community Tools &
Software Technical
Documents TPS56428
SLVSBV4B – APRIL 2013 – REVISED OCTOBER 2015 TPS56428 4.5-V to 18-V Input, 4-A Sync. Step-Down Converter with Advanced Eco-mode™
1 Features 3 Description The TPS56428 is a D-CAP2 mode synchronous buck
converter which is optimized for various power bus
regulation needs with a cost effective, low component
count, low standby current solution. 1 D-CAP2в„ў Mode at 650kHz Switching for Fast
Transient Response, Ceramic Capacitor Support
VIN Input Voltage Range: 4.5 V to 18 V
Output Voltage Range: 0.6 V to 7.0 V
Advanced Eco-mode for High Light Load
Efficiency
Integrated FETs Optimized for Lower Duty Cycle
– 68 mΩ (High Side) and 37 mΩ (Low Side)
Shutdown Current Less Than 10 ОјA
1% Initial Reference Voltage Accuracy
Soft Start with Pre-Bias Output Support
Cycle By Cycle Over Current Limit
Power Good Output …