Max1797 step-up voltage regulator
LM2703 - Easier surface mount package (SOT-23)
Experiments with Max1674/75 step-up voltage regulators
LT1932 - Constant current led driver
Step-up Voltage Regulator using a Max757 Integrated Circuit
One Transistor Step-up Circuit
Two Transistor Brinkman Circuit
Another Two Transistor Circuit Design