PMP1511 Reference Design

Texas Instruments

Continuous Flyback for Voice over IP (VoIP) ringer (120V @ 40mA)

Description

PMP1511 is a continous flyback circuit using the UCC2809.  The input is 12V to 16.5V.  The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA.  The 120V output is regulated using opto feedback.  The 48V is regulated through the coupling.

Features
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TL431 TL431 Buy Datasheet
UCC2809-1 UCC2809-1 Buy Datasheet

Bill Of Materials

Download the bill of materials for PMP1511 Download

Other Documents

Title Updated Type Size (KB)
PMP1511 BOM 30 Dec 2010 PDF 18
PMP1511 SCHEMATIC 30 Dec 2010 PDF 71