LTC4020 PDF File ( Datasheet )

Features nn Wide Voltage Range: 4.5V to 55V Input, Up to 55V Output (60V Absolute Maximums) nn Synchronous Buck-Boost DC, DC Controller nn Li-Ion and Lead-Acid Charge Algorithms nn ±0.5% Float Voltage Accuracy nn ±5% Charge Current Accuracy nn Instant-On for Heavily Discharged Batteries nn Ideal Diode Controller Provides Low Loss PowerPath When Input Power is Limited nn Input Voltage Regulation for High Impedance Input Supplies and Solar Panel Peak Power Operation nn Onboard Timer for Protecti