Description
MIC38C42A/43A/44A/45A Micrel, Inc.MIC38C42A/43A/44A/45A BiCMOS Current-Mode PWM Controllers General .
The MIC38C4xA are fixed frequency, high performance, current-mode PWM controllers.
Features
* a trimmed oscillator discharge current and bandgap reference. The MIC38C4xA family is available in 8-pin SOIC and MSOP8 (MM8) package options For fast rise and fall times and higher output drive, refer to the MIC38HC4x. Features
* Fast 40ns output rise and 30ns output fall times
Applications
* Current-mode, off-line, switched-mode power supplies Current-mode, dc-to-dc converters. Step-down “buck” regulators Step-up “boost” regulators Flyback, isolated regulators Forward converters Synchronous FET converters
Functional