features vin start up voltage: 0.9v output voltage range: from 2.7v to 5.25v. up to 94% efficiency 1.2mhz fixed frequency switching built-in current mode compensation built-in protection: over current, over voltage, over temperature optional automatic pwm/psm version (AIC3415) and forced pwm version (AIC3415a). logic controlled shutdown: < 1ga output disconnect by shutdown function built-in soft start active anti-ringing control small sot-23-6 package applications single/dual cells ni-cd/ni-mh/li-lon type battery operated products wireless mice pda digital still cameras portable equipment description the AIC3415 is a synchronous step-up dc/dc converter. there are two options for AIC3415: automatic pwm/psm version (AIC3415), and forced pwm version (AIC3415a). the automatic pwm/psm version enters psm from pwm automatically when load decreases. the goal is to improve efficiency and reduce quiescent current; the forced pwm version keeps the same operating frequency even when it operates in light load. this guarantees low output ripple and noise. the AIC3415 provides a complete power supply solution for products powered by one or two alkaline, ni-cd, ni-mh or li-lon battery cells. it stays in operation with supply voltages down to 0.5v. the implemented boost converter uses an internal synchronous rectifier to obtain maximum efficiency. a low-emi mode is implemented to reduce ringing and in effect lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. free datasheet http://
typical application free datasheet http://
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