Fairchild FAN6756 65W笔记本电脑电源解决方案
关键词：
fairchild , fan6756 , 笔记本 , 电源
fairchild 公司的fan6756是采用创新mwsaver™技术的绿色模式pwm控制器,能大大地降低待机和无负载功耗,满足世界范围的待机模式效率指引.在230vac时待机和无负载功耗为30mw(包括emi滤波器功耗),具有多种保护如过载/开路保护(olp),uvlo,vdd ovp,超温保护(otp)和电流检测短路保护(sscp),主要用于笔记本电脑,打引机,lcd监视器,游戏机控制台.本文介绍了fan6756主要特性,方框图,典型应用电路以及fan6765mr评估板指标,电路图,材料清单和pcb元件布局图.
the fan6756 is a next-generation green mode pwm controller with innovative mwsaver™ technology, which dramatically reduces standby and no-load power consumption, enabling conformance to worldwide standby mode efficiency guidelines.
an innovative ax-cap™ method minimizes losses in the emi filter stage by eliminating the x-cap discharge resistors while meeting iec61010-1 safety requirements. standby mode clamps feedback voltage and modulates feedback impedance with an impedance
modulator during burst mode operation, which forces the system to operate in a “deep” burst mode with minimum switching losses.
protections ensure safe operation of power system in various abnormal conditions. proprietary frequencyhopping function decreases emi emission and built-in synchronized slope compensation allows more stable peak-current-mode control over wide range of input voltage and load conditions. the proprietary internal line compensation ensures constant output power limit over entire universal line voltage range.
requiring a minimum number of external components, fan6756 provides a basic platform that is well suited for cost-effective flyback converter designs that require extremely low standby power consumption.
fan6756主要特性:
single-ended topologies, such as flyback and forward converters
mwsaver™ technology
- achieves low no-load power consumption:
less than 30mw at 230vac (emi filter loss included)
- eliminates x capacitor discharge resistor loss with ax-cap™ technology
- linearly decreases switching frequency to 23khz
- burst mode operation at light-load condition
- impedance modulation in standby mode for “deep” burst mode operation
- low operating current (450μa) in standby mode
- 500v high-voltage jfet startup circuit to eliminate startup resistor loss
highly integrated with rich features
- proprietary frequency hopping to reduce emi
- high-voltage sampling to detect input voltage
- peak-current-mode control with slope compensation
- cycle-by-cycle current limiting with line compensation
- leading edge blanking (leb)
- built-in 8ms soft-start
advanced protections
- brown-in/brownout recovery
- internal overload/open-loop protection (olp)
- vdd under-voltage lockout (uvlo)
- vdd over-voltage protection (vdd ovp)
- over-temperature protection (otp)
- current-sense short-circuit protection (sscp)
fan6756应用:
flyback power supplies that demand extremely low standby power consumption, such as:
adapters for notebooks, printers, game consoles, etc.
open-frame smps for lcd tv, lcd monitors, printer power, etc.
2012-8-23 13:34:15 上传
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图1.fan6756方框图
2012-8-23 13:34:14 上传
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图2.fan6756典型应用电路图
2012-8-23 13:34:13 上传
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图3.fan6756 65w笔记本电脑电源电路图
fan6765mr评估板
this user guide supports the evaluation kit for the fan6765mr.this document describes a 65w power supply using fan6756mr. the fan6756mr mwsaver™ controller targets power adapters that demand extremely low standby power consumption. with innovative mwsaver™ technology, fan6756mr dramatically reduces standby and no-load power consumption. the ax-cap™ technology minimizes losses in the emi filter stage by eliminating the x-cap discharge resistors while meeting iec61010-1 safety requirements. standby mode switches feedback impedance during burst mode operation, which forces the system to operate in a “deep” burst mode with minimum switching losses. proprietary asynchronous jitter decreases emi emission and built-in synchronized slope compensation allows more stable peak-current-mode control over a wide range of input voltage and load conditions.
fan6765mr评估板指标:
2012-8-23 13:34:13 上传
下载附件 (20.88 kb)
fan6765mr评估板主要特性:
single-ended topologies, such as flyback and forward convertersmwsaver™ technology
- achieves low no-load power consumption: less than 30mw at 230vac (emi filter loss included)
- eliminates x capacitor discharge resistor loss with ax-cap™ technology
- linearly decreases switching frequency to 23khz
- burst mode operation at light-load condition
- impedance modulation in standby mode for “deep” burst mode operation
- low operating current (450μa) in standby mode
- 500v high-voltage jfet startup circuit to eliminate startup resistor loss
highly integrated with rich features
- proprietary asynchronous-jitter to reduce emi
- high-voltage sampling to detect input voltage
- peak-current-mode control with slope compensation
- cycle-by-cycle current limiting with line compensation
- leading edge blanking (leb)
- built-in 8ms soft-start
advanced protections
- brown-in/brownout recovery
- internal overload/open-loop protection (olp)
- vdd under-voltage lockout (uvlo)
- vdd over-voltage protection (vdd ovp)
- over-temperature protection (otp)
- current-sense short-circuit protection (sscp)
2012-8-23 13:34:12 上传
下载附件 (83.26 kb)
图4.fan6765mr评估板外形图
2012-8-23 13:34:10 上传
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图5.fan6765mr评估板电路图
fan6765mr评估板材料清单(bom):
2012-8-23 13:34:09 上传
下载附件 (127.68 kb)
2012-8-23 13:34:03 上传
下载附件 (34.84 kb)
2012-8-23 13:34:01 上传
下载附件 (79.73 kb)
图6.fan6765mr评估板变压器电路和指标图
2012-8-23 13:33:59 上传
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图7.fan6765mr评估板元件布局图(顶层)
2012-8-23 13:33:58 上传
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图8.fan6765mr评估板元件布局图(底层)
详情请见:
fan6756.pdf(1.21 mb, 下载次数: 0)2012-8-23 13:31:19 上传
下载次数: 0
下载积分: 积分 -1
和
febfan6756mr_t03u065a.pdf(999.25 kb, 下载次数: 0)2012-8-23 13:31:45 上传
下载次数: 0
下载积分: 积分 -1
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到2022年，青岛计划建立2.8万个5G基站
山东理工大学与中国移动共建移动通信研究院
TCP和UDP的特点及使用场景
浅谈区块链主流的共识算法
这个设计竟然可以让手机屏幕分辨率提高三倍
fairchild 公司的fan6756是采用创新mwsaver™技术的绿色模式pwm控制器,能大大地降低待机和无负载功耗,满足世界范围的待机模式效率指引.在230vac时待机和无负载功耗为30mw(包括emi滤波器功耗),具有多种保护如过载/开路保护(olp),uvlo,vdd ovp,超温保护(otp)和电流检测短路保护(sscp),主要用于笔记本电脑,打引机,lcd监视器,游戏机控制台.本文介绍了fan6756主要特性,方框图,典型应用电路以及fan6765mr评估板指标,电路图,材料清单和pcb元件布局图.
the fan6756 is a next-generation green mode pwm controller with innovative mwsaver™ technology, which dramatically reduces standby and no-load power consumption, enabling conformance to worldwide standby mode efficiency guidelines.
an innovative ax-cap™ method minimizes losses in the emi filter stage by eliminating the x-cap discharge resistors while meeting iec61010-1 safety requirements. standby mode clamps feedback voltage and modulates feedback impedance with an impedance
modulator during burst mode operation, which forces the system to operate in a “deep” burst mode with minimum switching losses.
protections ensure safe operation of power system in various abnormal conditions. proprietary frequencyhopping function decreases emi emission and built-in synchronized slope compensation allows more stable peak-current-mode control over wide range of input voltage and load conditions. the proprietary internal line compensation ensures constant output power limit over entire universal line voltage range.
requiring a minimum number of external components, fan6756 provides a basic platform that is well suited for cost-effective flyback converter designs that require extremely low standby power consumption.
fan6756主要特性:
single-ended topologies, such as flyback and forward converters
mwsaver™ technology
- achieves low no-load power consumption:
less than 30mw at 230vac (emi filter loss included)
- eliminates x capacitor discharge resistor loss with ax-cap™ technology
- linearly decreases switching frequency to 23khz
- burst mode operation at light-load condition
- impedance modulation in standby mode for “deep” burst mode operation
- low operating current (450μa) in standby mode
- 500v high-voltage jfet startup circuit to eliminate startup resistor loss
highly integrated with rich features
- proprietary frequency hopping to reduce emi
- high-voltage sampling to detect input voltage
- peak-current-mode control with slope compensation
- cycle-by-cycle current limiting with line compensation
- leading edge blanking (leb)
- built-in 8ms soft-start
advanced protections
- brown-in/brownout recovery
- internal overload/open-loop protection (olp)
- vdd under-voltage lockout (uvlo)
- vdd over-voltage protection (vdd ovp)
- over-temperature protection (otp)
- current-sense short-circuit protection (sscp)
fan6756应用:
flyback power supplies that demand extremely low standby power consumption, such as:
adapters for notebooks, printers, game consoles, etc.
open-frame smps for lcd tv, lcd monitors, printer power, etc.
2012-8-23 13:34:15 上传
下载附件 (39.18 kb)
图1.fan6756方框图
2012-8-23 13:34:14 上传
下载附件 (22.29 kb)
图2.fan6756典型应用电路图
2012-8-23 13:34:13 上传
下载附件 (27.76 kb)
图3.fan6756 65w笔记本电脑电源电路图
fan6765mr评估板
this user guide supports the evaluation kit for the fan6765mr.this document describes a 65w power supply using fan6756mr. the fan6756mr mwsaver™ controller targets power adapters that demand extremely low standby power consumption. with innovative mwsaver™ technology, fan6756mr dramatically reduces standby and no-load power consumption. the ax-cap™ technology minimizes losses in the emi filter stage by eliminating the x-cap discharge resistors while meeting iec61010-1 safety requirements. standby mode switches feedback impedance during burst mode operation, which forces the system to operate in a “deep” burst mode with minimum switching losses. proprietary asynchronous jitter decreases emi emission and built-in synchronized slope compensation allows more stable peak-current-mode control over a wide range of input voltage and load conditions.
fan6765mr评估板指标:
2012-8-23 13:34:13 上传
下载附件 (20.88 kb)
fan6765mr评估板主要特性:
single-ended topologies, such as flyback and forward convertersmwsaver™ technology
- achieves low no-load power consumption: less than 30mw at 230vac (emi filter loss included)
- eliminates x capacitor discharge resistor loss with ax-cap™ technology
- linearly decreases switching frequency to 23khz
- burst mode operation at light-load condition
- impedance modulation in standby mode for “deep” burst mode operation
- low operating current (450μa) in standby mode
- 500v high-voltage jfet startup circuit to eliminate startup resistor loss
highly integrated with rich features
- proprietary asynchronous-jitter to reduce emi
- high-voltage sampling to detect input voltage
- peak-current-mode control with slope compensation
- cycle-by-cycle current limiting with line compensation
- leading edge blanking (leb)
- built-in 8ms soft-start
advanced protections
- brown-in/brownout recovery
- internal overload/open-loop protection (olp)
- vdd under-voltage lockout (uvlo)
- vdd over-voltage protection (vdd ovp)
- over-temperature protection (otp)
- current-sense short-circuit protection (sscp)
2012-8-23 13:34:12 上传
下载附件 (83.26 kb)
图4.fan6765mr评估板外形图
2012-8-23 13:34:10 上传
下载附件 (27.27 kb)
图5.fan6765mr评估板电路图
fan6765mr评估板材料清单(bom):
2012-8-23 13:34:09 上传
下载附件 (127.68 kb)
2012-8-23 13:34:03 上传
下载附件 (34.84 kb)
2012-8-23 13:34:01 上传
下载附件 (79.73 kb)
图6.fan6765mr评估板变压器电路和指标图
2012-8-23 13:33:59 上传
下载附件 (34.84 kb)
图7.fan6765mr评估板元件布局图(顶层)
2012-8-23 13:33:58 上传
下载附件 (15.72 kb)
图8.fan6765mr评估板元件布局图(底层)
详情请见:
fan6756.pdf(1.21 mb, 下载次数: 0)2012-8-23 13:31:19 上传
下载次数: 0
下载积分: 积分 -1
和
febfan6756mr_t03u065a.pdf(999.25 kb, 下载次数: 0)2012-8-23 13:31:45 上传
下载次数: 0
下载积分: 积分 -1
使用更灵活、更方便的罗氏线圈
直流接触器的使用简化了电路板设计过程
LED显示屏如何拓展智慧城市应用?LED灯杆屏应用的详细概述
良心不？小米16000mAh移动电源拆解+充放电测试
酷比魔方与高通骁龙合作，有望推出更有竞争力的产品
Fairchild FAN6756 65W笔记本电脑电源解决方案
上架式工控机具有哪些特点？
分析升压型DC／DC转换器的PCB板布局
INA103低噪声低失真度仪表放大器
云网融合如何赋能工业的数字化转型?
苹果低调公布iOS 11.4，意要加入ClassKit教育框架！
更加安全可靠的人工智能指静脉识别
美国汽车新尾气排放标准不合理也无法按时实现
蓄电池的更换步骤介绍
射频电路设计的常见问题
到2022年，青岛计划建立2.8万个5G基站
山东理工大学与中国移动共建移动通信研究院
TCP和UDP的特点及使用场景
浅谈区块链主流的共识算法
这个设计竟然可以让手机屏幕分辨率提高三倍