ver: 1.0 nov 23, 2012 tel: 886-3-5788833 http://www.gmt.com.tw 1 G5692 global mixed-mode technology 1mhz, all-ceramic, 2a pwm buck dc/dc converter features ? ceramic input and output capacitors ? efficiency up to 94% ? guaranteed 2a output current ? operate from 2.5v to 6v supply ? adjustable output from 0.8v to v in ? internal soft-start ? short-circuit and thermal-overload protection ? rohs compliant applications ? asic/dsp/ p/fpga core and i/o voltages ? set-top boxes ? cellular base stations ? networking and telecommunications general description the G5692 high-efficiency, dc/dc buck converter delivers up to 2a of output current. the device oper- ates from an input voltage of 2.5v to 6v and provides an output voltage from 0.8v to v in , making the G5692 ideal for on-board post-regulation applications. the G5692 operate at a fixed frequency of 1mhz with an efficiency of up to 94%. the high operating fre- quency minimizes the size of external components. internal soft-start control circuitry reduces inrush cur- rent. short-circuit and thermal-overload protections improve design reliability. the G5692 are available in a space-saving 8-pin sop and msop package. ordering information order number marking temp. range package (green) G5692p11u G5692 -40 c to +85 c sop-8 G5692p81u G5692 -40 c to +85 c msop-8 note: p1:sop-8 p8: msop-8 1: bonding code u: tape & reel pin configuration typical application circuit vin lx en ref gnd G5692 fb gnd 8 6 5 1 2 3 4 vcc ref vin sop-8/msop-8 G5692 7 lx en pgnd vcc off on pgnd input 2.5v to 6v output 0.8v to v in , up to 2a fb c fb r1 r2 * (option) 10 f 10 0.1 f 0.1 f 2.2 h 22 f v out = 0.8v (1+ ) r1 r2 vin lx en ref gnd G5692 fb gnd 8 6 5 1 2 3 4 vcc ref vin sop-8/msop-8 G5692 7 lx en pgnd vcc off on pgnd input 2.5v to 6v output 0.8v to v in , up to 2a fb c fb r1 r2 * (option) 10 f 10 0.1 f 0.1 f 2.2 h 22 f v out = 0.8v (1+ ) r1 r2
|
