Datasheet Details
Part number:
UCC3809-1, UCC1809-1
Manufacturer:
Unitrode
File Size:
909.17 KB
Description:
Economy primary side controller.
Note:
This datasheet PDF includes multiple part numbers: UCC3809-1, UCC1809-1.
Please refer to the document for exact specifications by model.
UCC3809-1, UCC1809-1, Economy Primary Side Controller
The UCC3809 family of BCDMOS economy low power integrated circuits contains all the control and drive circuitry required for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies with minimal external parts count.
Internally implemented circuits include undervoltage lo
UCC3809-1 Features
* User Programmable Soft Start With Active Low Shutdown
* User Programmable Maximum Duty Cycle
* Accessible 5V Reference
* Undervoltage Lockout
* Operation to 1MHz
* 0.4A Source/0.8A Sink FET Driver
* Low 100µA Startup Current PART TURN ON TU
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