Four Output (-6.5V@500uA, 20V@500uA, 10V@2mA, 5 LED) Supply For Color LCD Displays

From a 2.7V to 4.2V input, the LT1944 can generate 3 required bias voltages (-6.5V@500uA, 20V@500uA, 10V@2mA) and drive a string of 5 white LEDs for backlighting