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UCC2809-1

Economy Primary Side Controller

UCC2809-1 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

UCC2809-1 General 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. Internally implemented circuits include undervoltage lo.

UCC2809-1 Datasheet (909.17 KB)

Preview of UCC2809-1 PDF

Datasheet Details

Part number:

UCC2809-1

Manufacturer:

Unitrode

File Size:

909.17 KB

Description:

Economy primary side controller.

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UCC2809-1 Economy Primary Side Controller Unitrode

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