Datasheet > TEA1733LT/N1

TEA1733LT/N1

更新时间： 2024-11-11 21:22:31

品牌	Logo	应用领域
恩智浦 - NXP		开关光电二极管
页数	文件大小	规格书
21页	144K
描述
IC SWITCHING CONTROLLER, 71 kHz SWITCHING FREQ-MAX, PDSO8, 3.90 MM, PLASTIC, MS-012, SOT96-1, SOP-8, Switching Regulator or Controller

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TEA1733LT/N1 技术参数

生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOP,	针数：	8
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.71
模拟集成电路 - 其他类型：	SWITCHING CONTROLLER	控制模式：	CURRENT-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	30 V
最小输入电压：	13.6 V	标称输入电压：	20 V
JESD-30 代码：	R-PDSO-G8	长度：	4.9 mm
功能数量：	1	端子数量：	8
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	座面最大高度：	1.75 mm
表面贴装：	YES	切换器配置：	SINGLE
最大切换频率：	71 kHz	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
宽度：	3.9 mm	Base Number Matches：	1

TEA1733LT/N1 数据手册

TEA1733LT

GreenChip SMPS control IC

Rev. 8 — 16 July 2013

Product data sheet

1. General description

The TEA1733LT/N1 is a low cost Switched Mode Power Supply (SMPS) controller ICs

intended for flyback topologies. They operate in fixed frequency mode. To reduce

ElectroMagnetic Interference (EMI), frequency jitter has been implemented. Slope

compensation is integrated for Continuous Conduction Mode (CCM) operation.

The TEA1733LT/N1 includes OverPower Protection (OPP). This enables the controller to

operate under overpower situations for a limited amount of time.

Two pins, VINSENSE and PROTECT, are reserved for protection purposes. Input

UnderVoltage Protection (UVP) and OverVoltage Protection (OVP), output OVP and

OverTemperature Protection (OTP) can be implemented using a minimal number of

external components.

At low power levels the primary peak current is set to 25 % of the maximum peak current

and the switching frequency is reduced to limit switching losses. The combination of fixed

frequency operation at high output power and frequency reduction at low output power

provides high-efficiency over the total load range.

The TEA1733LT/N1 enables low cost, highly efficient and reliable supplies for power

requirements up to 75 W to be designed easily and with a minimum number of external

components.

2. Features and benefits

2.1 Features

 SMPS controller IC enabling low-cost applications

 Large input voltage range (12 V to 30 V)

 Very low supply current during start-up and restart (typically 10 A)

 Low supply current during normal operation (typically 0.5 mA without load)

 Overpower or high/low line compensation

 Adjustable overpower time-out

 Adjustable overpower restart timer

 Fixed switching frequency with frequency jitter to reduce EMI

 Frequency reduction with fixed minimum peak current to maintain high-efficiency at

low output power levels

 Slope compensation for CCM operation

 Low and adjustable OverCurrent Protection (OCP) trip level

12 3 4 5 6 7...21

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与TEA1733LT/N1相关器件

型号	品牌	获取价格	描述	数据表
TEA1733LT/N1,118	NXP	获取价格	Low voltage start-up flyback controller suitable for fixed frequency/CCM SOIC 8-Pin
TEA1733LT/N2	NXP	获取价格	IC SWITCHING CONTROLLER, 71 kHz SWITCHING FREQ-MAX, PDSO8, 3.90 MM, PLASTIC, MS-012, SOT96
TEA1733LT/N2,118	NXP	获取价格	Low voltage start-up flyback controller suitable for fixed frequency/CCM SOIC 8-Pin
TEA1733MT	NXP	获取价格	GreenChip SMPS control IC Adjustable overpower time-out
TEA1733MT/N2,118	NXP	获取价格	IC IC,SMPS CONTROLLER,CURRENT-MODE,SOP,8PIN,PLASTIC, Switching Regulator or Controller
TEA1733P	NXP	获取价格	IC SWITCHING CONTROLLER, 71 kHz SWITCHING FREQ-MAX, PDIP8, 0.300 INCH, PLASTIC, SC-504-8,
TEA1733P/N1,112	NXP	获取价格	Low voltage start-up flyback controller suitable for fixed frequency/CCM DIP 8-Pin
TEA1733T	NXP	获取价格	GreenChip III SMPS control IC
TEA1733T_10	NXP	获取价格	GreenChip III SMPS control IC
TEA1733T_1307	NXP	获取价格	GreenChip SMPS control IC

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