Datasheet > TEA19361T

TEA19361T

更新时间： 2024-11-12 15:18:59

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
33页	305K
描述
GreenChip SMPS primary side control IC with QR/DCM operation

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TEA19361T 数据手册

TEA19361T

GreenChip SMPS primary side control IC with

QR/DCM operation

Rev. 1 — 9 August 2016

Product data sheet

1 General description

The TEA19361T is a member of the GreenChip family of controller ICs for switched

mode power supplies. It is intended for flyback topologies to be used either standalone

or together with USB PD or smart charging controllers (like the TEA190x series) at the

secondary side. The built-in green functions provide high efficiency at all power levels.

The TEA19361T is compatible with multiple output voltage applications with a wide

output range from 5 V to 20 V in Constant Voltage (CV) mode. When used with a

secondary-side controller IC, like the TEA190x series, it supports Constant Current (CC)

mode down to 3 V output voltage.

At high power levels, the flyback converter operates in Quasi-Resonant (QR) mode. At

lower power levels, the controller switches to Frequency Reduction (FR) in Discontinuous

Conduction Mode (DCM) operation. The peak current is limited to a minimum level.

Valley switching is used in all operating modes.

At very low power levels, the controller uses burst mode to regulate the output power.

A special optocoupler current reduction regulation has been integrated which reduces

the average optocoupler current in all modes to a minimum level. This reduction ensures

high efficiency at low power and excellent no-load power performance. As the switching

frequency in this mode is never less than f_sw(min)and the burst repetition rate is regulated

to a low value, the audible noise is minimized. During the non-switching phase of the

burst mode, the internal IC supply current is minimized for further efficiency optimization.

The TEA19361T includes a wide set of protections that are safe-restart protections. One

of these protections is an accurate OverPower Protection (OPP). If the output is shorted,

the system stops switching and restarts. The output power is then limited to a lower level.

The TEA19361T is manufactured in a high-voltage Silicon-On-Insulator (SOI) process.

The SOI process combines the advantages of a low-voltage process (accuracy, high-

speed protection, functions, and control). However, it also maintains the high-voltage

capabilities (high-voltage start-up, low standby power, and brownin/brownout sensing at

the input).

The TEA19361T enables low-cost, highly efficient and reliable supplies for power

requirements up to 75 W using a minimum number of external components.

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与TEA19361T相关器件

型号	品牌	获取价格	描述	数据表
TEA19362T/1J	NXP	获取价格	Descriptive title
TEA19363LT	NXP	获取价格	GreenChip SMPS primary side control IC with QR/DCM operation and active x-capacitor discha
TEA19363LT/1J	NXP	获取价格	Descriptive title
TEA19363T	NXP	获取价格	GreenChip SMPS primary side control IC with QR/DCM operation and X-capacitor discharge
TEA1993TS	NXP	获取价格	GreenChip synchronous rectifier controller
TEA1993TS/1Z	NXP	获取价格	IC CTRLR SYNC RECT SC-74
TEA1995T	NXP	获取价格	GreenChip dual Synchronous Rectifier controller
TEA1995T/1J	NXP	获取价格	TEA1995T - GreenChip Synchronous Rectifier controller SOIC 8-Pin
TEA1998TS	NXP	获取价格	GreenChip synchronous rectifier controller
TEA1998TS/1Z	NXP	获取价格	Switching Controller

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