MAX1578 Datasheet - Maxim Integrated Products

MAX1578 Complete Bias and White LED Power Supplies

The MAX1578/MAX1579 provide four regulated outputs to meet all the voltage requirements for small activematrix TFT-LCD displays in handheld devices where minimum external components and high efficiency are required. Each device consists of three advanced charge pumps for LCD bias power and a step-up.

MAX1578 Features

* a temperature derating function to avoid overdriving the white LEDs during high ambient temperatures, enabling higher drive current below +42°C. The MAX1578/MAX1579 are available in space-saving 24-lead 4mm x 4mm thin QFN packages. Features

* Four Regulators in One Package

* Bias Po

MAX1578_MaximIntegratedProducts.pdf