SE1484 Datasheet, PDF (1/8 Pages) Seaward Electronics Inc. – 3A 27V Synchronous Buck Converter

SE1484
3A 27V Synchronous Buck Converter
General Description
Features
The SE1484 is a monolithic synchronous buck  3A Output Current
regulator. The device integrates 95 mΩ MOSFETS  Wide 4.5V to 27V Operating Input Range
that provide 3A continuous load current over  Output Adjustable from 0.925V to 0.8Vin
a wide operating input voltage of 4.5V to  Up to 93% Efficiency
27V.Current mode control provides fast transient  Programmable Soft-Start
response and cycle-by-cycle current limit. An  Stable with Low ESR Ceramic Output Capacitors
adjustable soft-start prevents inrush current at turn on.  Fixed 340KHZ Frequency
 Cycle-by-Cycle Over Current Protection
 Short Circuit Protection
 Input Under Voltage Lockout
 Package： PSOP-8
Pin Configuration
Applications
 Distributed Power Systems
 Green Electronics/ Appliances
 Notebook Computers
 Networking Systems
 FPGA, DSP, ASIC Power Supplies
Typical Application
Rev1.0
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., • www.seawardinc.com.cn • Page 1
9/4/2012