Datasheet > TEA1552T/N1/DG,518

TEA1552T/N1/DG,518

更新时间： 2024-01-01 13:11:17

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
26页	720K
描述
TEA1552 - HV start-up flyback controller for DCM or QR mode; 125 kHz f_osc(h); standby output signal SOIC 14-Pin

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TEA1552T/N1/DG,518 技术参数

Source Url Status Check Date：	2013-06-14 00:00:00	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	3.90 MM, PLASTIC, SOT-108-1, SO-14
针数：	14	Reach Compliance Code：	unknown
风险等级：	5.77	Is Samacsys：	N
Base Number Matches：	1

TEA1552T/N1/DG,518 数据手册

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TEA1552

HV start-up flyback controller for DCM or QR mode; 125 kHz

_osc(h); standby output signal

Rev. 3.1 — 21 June 2012

Product data sheet

1. General description

The GreenChipII is the second generation of green Switched Mode Power

Supply (SMPS) control ICs operating directly from the rectified universal mains. A high

level of integration leads to a cost effective power supply with a very low number of

external components.

The special built-in green functions allow the efficiency to be optimum at all power levels.

This holds for quasi-resonant operation at high power levels, as well as fixed frequency

operation with valley switching at medium power levels. At low power (standby) levels, the

system operates at reduced frequency and with valley detection.

The proprietary high voltage BCD800 process makes direct start-up possible from the

rectified mains voltage in an effective and green way. A second low voltage BICMOS IC is

used for accurate, high speed protection functions and control.

Highly efficient, reliable supplies can easily be designed using the GreenChipII control IC.

2. Features and benefits

 Distinctive features:

 Universal mains supply operation (70 V AC to 276 V AC)

 High level of integration, giving a very low external component count.

 Green features:

 Valley or zero voltage switching for minimum switching losses

 Efficient quasi-resonant operation at high power levels

 Frequency reduction at low power standby for improved system efficiency (<3 W)

 Cycle skipping mode at very low loads. P_i< 300 mW at no-load operation for a

typical adapter application

 On-chip start-up current source

 Standby indication pin to indicate low output power consumption.

 Protection features:

 Safe restart mode for system fault conditions

 Continuous mode protection by means of demagnetization detection (zero

switch-on current)

 Accurate and adjustable overvoltage protection (latched)

 Short winding protection

 Undervoltage protection (foldback during overload)

 Overtemperature protection (latched)

12 3 4 5 6 7...26

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与TEA1552T/N1/DG,518相关器件

型号	品牌	获取价格	描述	数据表
TEA1552T/N1/S1,518	NXP	获取价格	TEA1552 - HV start-up flyback controller for DCM or QR mode; 125 kHz f_osc(h); standby out
TEA1553T	NXP	获取价格	GreenChip II SMPS control IC
TEA1566	NXP	获取价格	GreenChip; SMPS module
TEA1566J	NXP	获取价格	GreenChip; SMPS module
TEA1566S	NXP	获取价格	GreenChip; SMPS module
TEA1610	NXP	获取价格	Zero-voltage-switching resonant converter controller
TEA1610P	NXP	获取价格	Zero-voltage-switching resonant converter controller
TEA1610P/N5	NXP	获取价格	IC,ZERO-CROSSING DETECTOR,MOS,DIP,16PIN,PLASTIC
TEA1610P/N5,112	NXP	获取价格	TEA1610P - Zero-voltage-switching resonant LLC controller DIP 16-Pin
TEA1610P/N6,112	NXP	获取价格	TEA1610P - Zero-voltage-switching resonant LLC controller DIP 16-Pin

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