UCC2809-1 datasheet, controller equivalent, Unitrode

Features and benefits

* User Programmable Soft Start With Active Low Shutdown
* User Programmable Maximum Duty Cycle
* Accessible 5V Reference
* Undervoltage Lockout
* Oper.

Application

where board space and height are at a premium. TYPICAL APPLICATION DIAGRAM RS TART VIN FEEDBACK CURRENT S ENS E S LOP.

Description

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. Inter.

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