The LM2704 is a micropower step-up DC/DC in a small 5-lead SOT-23 package. A current
limited, fixed off-time control scheme conserves operating current resulting in high efficiency
over a wide range of load conditions. The 21V switch allows for output voltages as high as 20V. The
low 400ns off-time permits the use of tiny, low profile inductors and capacitors to minimize
footprint and cost in space-conscious portable applications. The LM2704 is ideal for LCD panels
requiring low current and high efficiency as well as white LED applications for cellular phone
back-lighting. The LM2704 can drive up to 8 white LEDs from a single Li‐Ion battery.
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