| Part Number | L4990 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Title | PRIMARY CONTROLLER |
| Description | This primary controller I.C., developed in BCD60II technology, has been designed to implement off BLOCK DIAGRAM SYNC 1 RCT 2 TIMING 25V DC-LIM 15 ... |
| Features |
as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 100ns (typ) leading edge blanking on current sense, pulse by pulse current limit and ov...
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| Datasheet |
 L4990 Datasheet
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