【产品】适合驱动LED的1.2MHz PWM控制升压DC/DC转换器A8169-020,效率达88%
A8169-020系列是由AIT创瑞公司生产的一款频率固定、恒流升压型DC / DC转换器,它非常适合驱动LED,常用于高清屏幕背光LED驱动器等。它最高输出电压为24V,输入电压为3.6V,可驱动3 串联,17个并联,共51个LED。 内部集成了过压保护和温度保护电路,且LED的亮度可以通过PWM信号控制。 内部电路集成了0.2欧姆的大通道。
A8169-020采用SOT-26封装。
升压DC/DC转换器A8169-020特点:
输入电压范围:3.0V-6.0V
输出电压范围:高达24V
振荡频率:1.2MHz±20%
效率:88%
控制模式:PWM控制
待机电流:ISTB =1.0μA(最大)
负载电容:10μF,陶瓷
采用SOT-26封装
升压DC/DC转换器A8169-020参数:
功耗:250mW
输入电压:3.0~6.0 V
输出电压:VIN ~24 V
控制电压VFB: -0.3V~+7V
运行温度:-40°C ~ 85°C
升压DC/DC转换器A8169-020应用:
高清屏LED驱动器
升压DC/DC转换器A8169-020引脚图:
升压DC/DC转换器A8169-020典型应用:
图:单节锂电电源的应用
注意:名为RLED的电阻值:RLED = VFB /(ILED * n);
VFB是FB引脚的电压; ILED是LED的电流,通常等于20mA。 n是电路中并联的LED数量。
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型号- 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A8169-020 LED Backlight Driver , STEP-UP DC/DC Converter Ideal For Driving LEDS Used in High-definition Screen Backlight LED Drivers
A8169-020 is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in high-definition screen backlight LED drivers. The highest output voltage is 24V, and the input voltage of 3.6V can drive 3 series, 17 in parallel, a total of 51 LEDs.
【应用】创瑞A8169E6VR-020LED恒流升压驱动用于内窥镜,执行力高,效率可达到88%
本文推荐AiT A8169E6VR-020 LED应用在医疗内窥镜上,项目内窥镜进去人体需要照明功能才能清楚观察到人体内部结构,需要一颗功能性好的LED驱动,要求驱动小功率,能两串、四串或者两并、四并LED灯。
AiT(创瑞科技)EVM评估板型号列表
描述- EVM评估板型号列表
型号- A4061E6R,A7220M8R,A4055E5R,A7533E5R,A8167ATE6R-020,A2212G9R,A7516E5R,A2323F9R,A7539E3R,A7501K3R,A8169E6R-025,A2211MS8R,A4006E6R,A4732MS10R,A7530AE3R,A7630E6R,A8169E6R-020,A7542E6R,A7115E5R,A7544MP8R,A4057M8R,A8181E5R,A4002E3SR,A7230MP8R,A7530E5R,A7108E5R,A7221AE6R,A7110E5R,A7131MP8R,A8160AE6R-030,A4052MP8R,A4730TQ10R,A4771E5R,A7506E6R,A2230M8R,A4004J6R,A4781C5R,A8113E5R,A9910M8R,A4772ZE5R,A4778ZMS8R,A7142MP8R,A7530AE5R,A2203MS8R,A4722Q16R,A7523E6R,A7801E6R,A2327MS8R,A7220BM8R,A7530E3R,A7534K3R,A4003M8R,A7332MP8R,A4001E6R,A2327J8R,A4730MS10R,A4714MS10R,A7642E6R,A9913E6R,A4063AJ10R,A4712G10R,A7566E6R,A7115BE5R,A7442AMP8R,A7222E6R,A7632AE6R,A7116E5R,A8176E5R,A2203M8R,A4732TQ10R,A4776E5R,A7330MP8R,A7115BJ6R,A9912M8R,A4786M8R,A4056E6R,A7122E5R,A4778ZE5R,A7130J10R,A4757M16R,A4059MP8,A7231AE6R,A7501E3R,A7545MP8R,A7220AM8R,A4711C6R,A7121AE6R,A4783M8R,A7122J8R,A7330AMP8R,A2331G9R,A4061MP8R,A4002E5R,A7122AE5R,A7220MP8R,A7596S5R,A8180K5R,A2327M8R,A7335MP8R,A7431AMP8R,A7121J10R-ADJ,A7121AE5R,A7525E6R,A4053MSP8R,A8113C5R,A4715MS10R,A7122AE6R,A4051MP8R,A7431MP8R,A7121MSP10R-ADJ,A7531E5R,A7539E5R,A7406AE6R,A8131E5R,A2410TMXP28U,A4782C5R,A7222AE6R,A7230AMP8R,A7530K3R,A7442MP8R,A7534E3R
A8169-020 LED BACKLIGHT DRIVER STEP-UP DC/DC CONVERTER
型号- A8169-020 SERIES,A8169E6VR-020,A8169E6R-020,A8169-020
【应用】可升压至23V的A8169-025系列小尺寸LED背光驱动器,助力数码摄像机LCD背光控制
创瑞科技(AiT)A8169-025系列LED背光驱动器是固定频率,恒流升压型DC/DC转换器,将3.2V的输入电压转换输出高达23V的输出电压,具有极高的输出电压、能耗低、效率高、体积小等突出优势,是小型化便携式家用数码摄像机的极佳选择。
【应用】升压型DC/DC变换器A8169-020、A8169-025为便携式导航设备提供解决方案
LED驱动器可在实际应用过程中能够确保其工作在稳定的工作状态,其在整个LED系统中有着至关重要的作用。在本方案的LED驱动器部分,本文推荐AiT的——A8169-020、A8169-025升压型DC/DC转换器,能够应用于大多数高清LED背光驱动场合,为便携式导航设备(PND)提供供电解决方案。
【应用】升压型DC-DC转换器A8169-020,应用于便携式DVD高清屏LED驱动器
便携式DVD就是一个将DVD播放机小型化,并将其和一个液晶显示屏组合在一起,配有音频设备,由直流电池进行供电,体积小巧,可以非常方便地随身携带的电子产品。在本方案的LED驱动器部分,本文推荐AiT的——A8169-020升压型DC-DC转换器,适合常用LED产品,能够应用于大多高清LED背光驱动应用场合。
【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
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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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–
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65kHz
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–
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–
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–
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–
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SOT-26
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选型表 - AIT 立即选型
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朗能泛亚提供是德(Keysight),罗德(R&S)等品牌的测试测量仪器维修服务,包括网络分析仪、无线通讯综测仪、信号发生器、频谱分析仪、信号分析仪、电源等仪器维修,支持一台仪器即可维修。
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