【产品】采用小型SOT-25封装的PWM控制升压型DC-DC转换器A8501
AIT推出的A8501系列是具有固定频率的PWM控制升压型DC-DC转换器,能够很好的适配OLED驱动。芯片的输出电压高达22V,如果由锂离子电源供电,其输出的12V电源可以驱动OLED。芯片电路中集成了NMOS的2Ω电阻,可以支持22V的耐受电压。芯片采用小型SOT-25封装,节省了电路印刷版空间,且降低了材料成本。
A8501PWM控制升压型DC-DC转换器的产品特性
·输入电压范围2.7V~5.5V
·输出电压范围高达22V
·振荡频率1MHz±20%
·效率88%
·采用PWM控制
·最大静态电流ISTB=1.0uA
·负载电容10uF,陶瓷材质
·LX限制电流600mA
·采用SOT-25封装
·功耗250mW
·工作温度范围-40°C~+85°C
·储存温度范围-55°C~+125°C
A8501PWM控制升压型DC-DC转换器的市场应用
·手机,小灵通
·笔记本电脑
·数码照相机
图1 A8501 PWM控制升压型DC-DC转换器典型应用电路图
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【应用】升压型DC-DC转换器A8167、A8169为智能手机提供屏幕LED背光方案
智能手机LED驱动驱动器就是在实际应用过程中对背光LED进行稳定工作状态的保护,其在整个LED系统中有着至关重要的作用。AiT公司的A8167/A8169升压型DC-DC转换器。具体的型号为A8167A-020,A8169-020和A8169-025,均可以同时驱动多个LED光源,性能优异,可靠性高,可以应用在智能手机LED背光控制系统中。
创瑞科技(AiT),致力于设计和行销高性能的类比与混合信号IC,为全球消费类电子产品市场提供音频放大及电源管理等解决方案,结合控股集团高品质的电感、晶振及保险丝提供技术整合支援,缩短产品设计周期。
AIT AC-DC PWM控制器选型表
AIT提供AC-DC PWM控制器参数的选型,VDD (V):8V~265V;Frequency:40kHz~110kHz;多种封装:DIP7,DIP8,SOP7,SOP8,SOT-26。
产品型号
|
品类
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Character
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VDD (V)
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SW Voltage(V)
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Frequency(kHz)
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RDS(ON)(Ω)
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Output Current(mA)
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Power(W) Adaptor
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Power(W) OpenFrame
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Package Type
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AP8263E6R
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AC-DC PWM控制器
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PWM
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12~25
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–
|
65kHz
|
–
|
–
|
–
|
–
|
SOT-26
|
选型表 - AIT 立即选型
手机安全任重道远,企业级市场成增量关键?
近年来,手机安全问题频发,工信部公布466个问题APP,再次引发公众关注。手机支付安全和个人隐私泄露是用户最关注的手机安全问题。然而,手机安全形势依旧严峻,第三方手机安全卫士和安全手机都存在不足。面对这一挑战,手机安全市场必须不断努力,寻求新的发展路径,以提升安全防护能力,确保用户手机安全。只有这样,才能有效应对不断出现的手机安全威胁,保障用户的合法权益。
一文介绍手机电池激活的原理、方法以及注意事项
手机电池激活是一个备受关注的话题,因为一个健康的电池可以延长手机的使用寿命,提高手机的性能。在本文中,我们将详细介绍手机电池激活的原理、方法以及注意事项。我们将从以下几个方面展开讨论。
【技术】为什么电动车锂电池比手机锂电池更容易爆炸?
对于锂电池来说,单颗电芯使用的安全性要比多颗锂电池组成的电池组使用要更容易控制,也就更安全。本文格瑞普介绍为什么电动车锂电池比手机锂电池更容易爆炸?首先这里简单介绍一下锂电池电芯之间是存在压差、容量差、内阻差等这些误差的。
AiT SEMi推出整合控制单元MOSFET和IGBT的高压、高速功率驱动器AG2113,工作电压高达600V
AG2113是一款整合控制单元MOSFET和IGBT的高压、高速功率驱动器,具有基于特殊制程的独立高侧和低侧参考输出通道。逻辑输入与标准CMOS或LS TTL输出(低至3V逻辑)兼容。输出驱动器具有高脉冲电流缓冲级,专为最小化驱动器交叉传导而设计。具有传播延迟相匹配,以简化高频应用中的应用。
【产品】国产低噪声LDO稳压器LP2985,保证150mA输出电流,适用于手机和笔记本电脑
LP2985是华冠半导体推出的一款高效线性稳压器,具有超低噪声输出、极低压差电压(在轻负载时典型值为17mV,在150mA时典型值为165mV)和极低接地电流(在100mA输出时接地电流为600μA)。
笔记本电脑使用导热硅胶垫的理想厚度
在现代笔记本电脑的设计中,导热硅胶垫扮演着关键角色,主要用于优化热管理系统。这种材料位于处理器(CPU)和图形处理器(GPU)等主要热源与散热装置之间,通过填补两者间的空隙,以促进热量的有效传递。正确选择导热硅胶垫的厚度对于确保电脑的性能和稳定性至关重要。
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可定制风扇尺寸覆盖18x18x04mm~165x165x25mm,随散热器大小而定制;风扇转速范围:1000 RPM~16500 RPM。支持DC风扇,直流风扇轴流风机,鼓风机以及电脑笔记本风扇等产品定制。
最小起订量: 500pcs 提交需求>
可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
最小起订量: 1 提交需求>
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