Extend
G nge RIN Ra TU erature A p m e E T l F ia c r e m
ed Com °C to 70°C ent –20 Equipm ndheld a H le tab for Por
April 1997
ML4890
High Efficiency, Low Ripple Boost Regulator
GENERAL DESCRIPTION
The ML4890 is a high efficiency, PFM (Pulse Frequency Modulation), boost switching regulator connected in series with an integrated LDO (Low Dropout Regulato...