Datasheet Texas Instruments TPS5405DR — 数据表

TPS5405
www.ti.com SLVSBF7B – MAY 2012 – REVISED APRIL 2013 6.5-V TO 28-V INPUT VOLTAGE, 5-V FIXED OUTPUT, 2-A OUTPUT CURRENT,
NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET
Check for Samples: TPS5405 FEATURES 1 Fixed 5-V Output
6.5-V to 28-V Wide Input Voltage Range
Up to 2-A Maximum Continuous Output
Loading Current
Pulse Skipping Mode to Achieve High Light
Load Efficiency
Over 80% Efficiency at 10-mA Loading
Adjustable 50-kHz to 1.1-MHz Switching
Frequency Set by an External Resistor
(Leave pin ROSC floating. Set frequency to
120 kHz)
Peak Current-Mode Control
Cycle-by-Cycle Over Current Protection
Switching Node Anti-Ringing to Ease EMI
Issue
External Soft Start
Available in SOIC8 Package APPLICATIONS 9-V, 12-V and 24-V Distributed Power Systems
Consumer Applications Such as Home
Appliances, Set-Top Boxes, CPE Equipment,
LCD Displays, Peripherals, and Battery …