National Semiconductor LM3658SDX/NOPB Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol) Function: Charge Management Lead Free Status / Rohs Status: Compliant Mounting: Surface Mount Mounting Type: Surface Mount Operating Supply Voltage (max): 6V Operating Supply Voltage (min): 4.35V Operating Temp Range: -40C to 85C Operating Temperature: -40?°C ~ 85?°C Operating Temperature Classification: Industrial Output Current: 25mA Output Voltage: 4.2V Package / Case: 10-WFDFN Exposed Pad Package Type: LLP EP Pin Count: 10 Type: Battery Charger Voltage - Supply: 4.35 V ~ 6 V Other Names: LM3658SDX