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Documents LM2758
SNVS551E – APRIL 2008 – REVISED MAY 2016 LM2758 Switched Capacitor Flash LED Driver in DSBGA Package
1 Features 3 Description The LM2758 device is an integrated low-noise, highcurrent switched capacitor DC-DC converter with a
regulated current sink. The device is capable of
driving loads up to 700 mA from a single-cell Li-Ion
battery. Maximum efficiency is achieved over the
input voltage range by actively selecting the proper
gain based on the LED forward voltage and current
requirements. 1 Up to 700-mA Output Current
90% Peak Efficiency
Indicator, Torch, and Flash Modes
Time-Out Circuitry Limits Flash Duration to 814
Milliseconds (Typical)
Adaptive 1Г— and 1.5Г— Gains for Maximum
Efficiency
True Shutdown
Internal Soft-Start Eliminates Inrush Current
Ultra-Small Solution Size …
