NSC 用于CDMA+GSM无线网络卡的应用USB电源设计器件

lilo401

LM20123
3A, 1.5MHz PowerWise® Synchronous Buck Regulator
【文件名】:08215@52RD_LM20123.pdf
【格　式】:pdf
【大　小】:598K
【简　介】:Features
■ Input voltage range 2.95V to 5.5V
■ Accurate current limit minimizes inductor size
■ 96% efficiency with 1.5 MHz switching frequency
■ 32 mΩ integrated FET switches
■ Starts up into pre-biased loads
■ Output voltage tracking
■ Peak current mode control
■ Adjustable output voltage down to 0.8V
■ Adjustable Soft-Start with external capacitor
■ Precision enable pin with hysteresis
■ Integrated OVP, UVLO, power good and thermal
shutdown
■ eTSSOP-16 exposed pad package
Applications
■ Simple to design, high efficiency point of load regulation
from a 5V or 3.3V bus
■ High Performance DSPs, FPGAs, ASICs and
microprocessors
■ Broadband, Networking and Optical Communications
Infrastructure
【目　录】: