SP4491 Description
The SP4491 electroluminescent lamp driver provides designers of cell phones PDA's and other handheld, portable electronic devices with an integrated solution for driving two EL lamps independently or concurrently. The SP4491 reduces system cost, ponent count and board space requirements over a discrete 2-EL driver approach. The EL lamps operate in opposite phase so the SP4491 can be easily implemented in...