Datasheet > TEA1753T

TEA1753T

更新时间： 2024-11-11 07:07:55

品牌	Logo	应用领域
其他 - ETC		功率因数校正光电二极管控制器
页数	文件大小	规格书
31页	487K
描述
The TEA1753T combines a controller for Power Factor Correction (PFC) and a flyback controller.

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TEA1753T 数据手册

TEA1753T

GreenChip III SMPS control IC

Rev. 2 — 8 April 2011

Product data sheet

1. General description

The GreenChip III is the third generation of green Switched Mode Power Supply (SMPS)

controller ICs. The TEA1753T combines a controller for Power Factor Correction (PFC)

and a flyback controller. Its high level of integration allows the design of a cost-effective

power supply with a very low number of external components.

The special built-in green functions provide high efficiency at all power levels. This applies

to quasi-resonant operation at high power levels, quasi-resonant operation with valley

skipping, as well as to reduced frequency operation at lower power levels. At low power

levels, the PFC switches off to maintain high efficiency.

During low power conditions, the flyback controller switches to frequency reduction mode

and limits the peak current to an adjustable minimum value. This will ensure high

efficiency at low power and good standby power performance while minimizing audible

noise from the transformer.

For no-load operation, the controller can be switched to the power down mode. In this

mode the controller is shutdown for very low standby power applications.

The TEA1753T is a MultiChip Module, (MCM), containing 2 chips. The proprietary high

voltage BCD800 process which makes direct start-up possible from the rectified universal

mains voltage in an effective and green way. The second low voltage

Silicon On Insulator (SOI) is used for accurate, high speed protection functions and

control.

The TEA1753T enables highly efficient and reliable supplies with power requirements of

up to 250 W to be designed easily and with a minimum number of external components.

Remark: It should be noted that all values provided throughout the running text, are

typical values unless otherwise stated.

12 3 4 5 6 7...31

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