Estek Electronics Co. Ltd
monolithic control circuit containing the primary functions required for DC-to-DC converters
Fairchild Semiconductor
SMPS Controller
Tiger Electronic
DC-to-DC Converter Control Circuits
STMicroelectronics
DC-DC CONVERTER CONTROL CIRCUITS
ON Semiconductor
1.5 A, Step−Up/Down/ Inverting Switching Regulators
Analog Intergrations
Industrial Standard, Universal DC/DC Converter