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SG6742MLSY PDF预览

SG6742MLSY

更新时间： 2024-10-28 06:11:23
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
页数 文件大小 规格书
13页 509K
描述
Highly Integrated Green-Mode PWM Controller

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中文翻译

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SG6742MLSY 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：GREEN, MS-012AA, SOP-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.66
Is Samacsys：N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：22 V最小输入电压：10.5 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：68 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

SG6742MLSY 数据手册

 浏览型号SG6742MLSY的Datasheet PDF文件第2页浏览型号SG6742MLSY的Datasheet PDF文件第3页浏览型号SG6742MLSY的Datasheet PDF文件第4页浏览型号SG6742MLSY的Datasheet PDF文件第5页浏览型号SG6742MLSY的Datasheet PDF文件第6页浏览型号SG6742MLSY的Datasheet PDF文件第7页 
June 2009  
SG6742ML/MR  
Highly Integrated Green-Mode PWM Controller  
Features  
Description  
The highly integrated SG6742ML/MR PWM controller  
provides several features to enhance the performance  
of flyback converters.  
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High-Voltage Startup  
Low Operating Current: 2.7mA  
Linearly Decreasing PWM Frequency to 22KHz  
Frequency Hopping to Reduce EMI Emission  
Fixed PWM Frequency: 65KHz  
To minimize standby power consumption, a proprietary  
green-mode function provides off-time modulation to  
linearly decrease the switching frequency at light-load  
conditions. To avoid acoustic-noise problems, the  
minimum PWM frequency is set above 22KHz. The  
green-mode function enables the power supply to meet  
international power conservation requirements. With the  
internal high-voltage startup circuitry, the power loss  
due to bleeding resistors is also eliminated. To further  
reduce power consumption, SG6742ML/MR is  
manufactured using the BiCMOS process, which allows  
an operating current of only 2.7mA.  
Peak-Current-Mode Control  
Cycle-by-Cycle Current Limiting  
Leading-Edge Blanking  
Synchronized Slope Compensation  
Internal Open-Loop Protection  
GATE Output Maximum Voltage Clamp: 18V  
VDD Under-Voltage Lockout (UVLO)  
VDD Over-Voltage Protection (OVP)  
Programmable Over-Temperature Protection (OTP)  
Internal Latch Circuit (OVP, OTP)  
Internal Sense Short-Circuit Protection  
Build-in 5ms Soft-Start Function  
SG6742ML/MR integrates a frequency-hopping function  
that helps reduce EMI emission of a power supply with  
minimum line filters. Its built-in synchronized slope  
compensation achieves stable peak-current-mode  
control. The proprietary, internal line compensation  
ensures constant output power limit over a wide AC  
input voltage range, from 90VAC to 264VAC  
.
SG6742ML/MR provides many protection functions. In  
addition to cycle-by-cycle current limiting, the internal  
open-loop protection circuit ensures safety should an  
open-loop or output short-circuit failure occur. PWM  
output is disabled until VDD drops below the UVLO lower  
limit, when the controller starts up again. As long as VDD  
exceeds ~26V, the internal OVP circuit is triggered.  
Constant Power Limit (Full AC Input Range)  
Internal OTP Sensor with Hysteresis  
Applications  
SG6742ML/MR is available in an 8-pin SOP package.  
General-purpose switch-mode power supplies and  
flyback power converters, including:  
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Power Adapters  
Open-Frame SMPS  
Ordering Information  
Operating  
Part  
OLP  
Function  
Packing  
Method  
Eco  
Status  
Temperature  
Number  
Package  
Range  
SG6742MLSY  
SG6742MRSY  
-40 to +105°C  
-40 to +105°C  
Latch  
8-Lead Small Outline Package (SOP)  
8-Lead Small Outline Package (SOP)  
Green  
Green  
Tape & Reel  
Tape & Reel  
Restart  
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.  
© 2008 Fairchild Semiconductor Corporation  
SG6742ML/MR • Rev. 1.0.4  
www.fairchildsemi.com  
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中文翻译

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