MCP1640B-I/MCIC REG BOOST SYNC ADJ 0.1A 8DFN|MICROCHIP TECHNOLOGY|Lead free|RoHS Compliant MCP1640BT-I/MC MCP1640BT-I/MCIC REG BOOST SYNC ADJ 0.1A 8DFN|MICROCHIP TECHNOLOGY|Lead free|RoHS Compliant MCP1640B-I/MC