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TEA1755T

NXP Semiconductors
Part Number TEA1755T
Manufacturer NXP Semiconductors
Description HV start-up DCM/QR flyback controller
Published Aug 18, 2015
Detailed Description TEA1755T HV start-up DCM/QR flyback controller with integrated DCM/QR PFC controller Rev. 1.1 — 13 March 2015 Product...
Datasheet PDF File TEA1755T PDF File

TEA1755T
TEA1755T

Overview
TEA1755T HV start-up DCM/QR flyback controller with integrated DCM/QR PFC controller Rev.
1.
1 — 13 March 2015 Product data sheet 1.
General description The GreenChip is the latest generation of green Switched Mode Power Supply (SMPS) controller ICs.
The TEA1755T combines a controller for Power Factor Correction (PFC) and a flyback controller.
Its high level of integration enables cost-effective power supply design using a very low number of external components.
The PFC operates in Quasi-Resonant (QR) or Discontinuous Conduction Mode (DCM), with valley switching.
The specially built-in green functions provide high efficiency at all power levels.
At high power levels the flyback operates in QR mode or DCM with valley detection.
At medium power levels, the flyback controller switches to Frequency Reduction (FR) mode and limits the peak current to an adjustable minimum value.
In low power mode, the PFC switches off to maintain high efficiency.
At very low power levels, when the flyback...


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