Dc/dc step-down converters deliver up to 600 mA of output current and 100 µs of turn-on time; feature up to 97% efficiency and 1-MHz switching frequency; provide 25-µA quiescent current; 12-pin TDFN33 ...

With only a few additional components, you can use a highly efficient step-down dc/dc converter to create a constant-current, multiple-channel LED driver. It is relatively easy to drive a ...