| 型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
|---|---|---|---|---|
LM3639A | LM3639A Single Chip 40V Backlight 1.5A Flash LED Driver 1FEATURES 2• Single Chip White LED Flash and Backlight Driver • 1.5A Flash LED Current • Dual String Backlight Control (40V Max VOUT) • 128 Level Exponential and Linear Brightness Control • PWM Input for CABC • Programmable Over-Voltage Protection (Backlight) • Programmable Current Limit 文件:576.8 Kbytes 页数:28 Pages | TI 德州仪器 | TI | |
LM3639A | Single Chip 40V Backlight 1.5A Flash LED Driver 文件:518.789 Kbytes 页数:28 Pages | TI 德州仪器 | TI | |
丝印:363A;Package:DSBGA;LM3639A Single Chip 40V Backlight 1.5A Flash LED Driver 1FEATURES 2• Single Chip White LED Flash and Backlight Driver • 1.5A Flash LED Current • Dual String Backlight Control (40V Max VOUT) • 128 Level Exponential and Linear Brightness Control • PWM Input for CABC • Programmable Over-Voltage Protection (Backlight) • Programmable Current Limit 文件:576.8 Kbytes 页数:28 Pages | TI 德州仪器 | TI | ||
丝印:363A;Package:DSBGA;LM3639A Single Chip 40V Backlight 1.5A Flash LED Driver 1FEATURES 2• Single Chip White LED Flash and Backlight Driver • 1.5A Flash LED Current • Dual String Backlight Control (40V Max VOUT) • 128 Level Exponential and Linear Brightness Control • PWM Input for CABC • Programmable Over-Voltage Protection (Backlight) • Programmable Current Limit 文件:576.8 Kbytes 页数:28 Pages | TI 德州仪器 | TI | ||
丝印:363A;Package:DSBGA;LM3639A Single Chip 40V Backlight 1.5A Flash LED Driver 1FEATURES 2• Single Chip White LED Flash and Backlight Driver • 1.5A Flash LED Current • Dual String Backlight Control (40V Max VOUT) • 128 Level Exponential and Linear Brightness Control • PWM Input for CABC • Programmable Over-Voltage Protection (Backlight) • Programmable Current Limit 文件:576.8 Kbytes 页数:28 Pages | TI 德州仪器 | TI | ||
丝印:363A;Package:DSBGA;LM3639A Single Chip 40V Backlight 1.5A Flash LED Driver 1FEATURES 2• Single Chip White LED Flash and Backlight Driver • 1.5A Flash LED Current • Dual String Backlight Control (40V Max VOUT) • 128 Level Exponential and Linear Brightness Control • PWM Input for CABC • Programmable Over-Voltage Protection (Backlight) • Programmable Current Limit 文件:576.8 Kbytes 页数:28 Pages | TI 德州仪器 | TI | ||
Single Chip 40V Backlight 1.5A Flash LED Driver 文件:518.789 Kbytes 页数:28 Pages | TI 德州仪器 | TI | ||
Single Chip 40V Backlight 1.5A Flash LED Driver 文件:518.789 Kbytes 页数:28 Pages | TI 德州仪器 | TI | ||
LM3639A | LM3639A 单芯片 40V 背光 + 1.5A LED 闪光灯驱动器 LM3639A 是一款单片白光 LED 摄像头闪光驱动器 + LCD 显示器背光驱动器。 低电压、高电流的闪光 LED 驱动器是一款同步升压转换器,此转换器可为单个闪光 LED 提供高达 1.5A 的电流,或为双 LED 的每个 LED 提供高达 750mA 的电源。 高电压背光驱动器具有双输出异步升压功能,可为双 LED 灯串的每个灯串提供高达 40V 的电压和 30mA 的电流。 这两个升压转换器中的自适应稳压方法规定了各自拉电流/灌电流中的净空电压,以便在尽可能提高效率的同时确保 LED 电流保持稳定。 LM3639A 的闪光驱动器是用于高电流白光 LED 的 2MHz 或 4MHz 固 • 单芯片白光 LED 闪光和背光驱动器 \n• 1.5A 闪光 LED 电流\n• 双灯串背光控制(V输出最大值 40V)\n• 128 级指数和线性亮度控制\n• 针对内容自适应亮度控制 (CABC) 的脉宽调制 (PWM) 输入 \n• 可编程过压保护(背光)\n• 可编程电流限制(闪光)\n• 可编程开关频率\n• 低电池电量情况下优化的闪光电流; | TI 德州仪器 | TI | |
包装:托盘 类别:开发板,套件,编程器 评估板 - LED 驱动器 描述:EVALUATION BOARD FOR LM3639 | TI 德州仪器 | TI |
技术参数
- Vin (Min) (V):
2.5
- Vin (Max) (V):
5.5
- Vout (Min) (V):
0
- Vout (Max) (V):
40
- Type:
Inductive
- Switching frequency (Max) (kHz):
535
- LED current per channel (mA):
30
- Peak efficiency (%):
87
- Topology:
Boost
- Features:
Adjustable Switch Frequency
- Operating temperature range (C):
-40 to 85
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
TI德州仪器 |
22+ |
24000 |
原装正品现货,实单可谈,量大价优 |
询价 | |||
TI/德州 |
2018+ |
DSBGA |
32500 |
德州代理承诺销售原装正品公司可开正规17%增值税票 |
询价 | ||
TI |
16+ |
DSBGA |
10000 |
原装正品 |
询价 | ||
TI |
24+ |
20-DSBGA(2.04x1.78) |
66800 |
原厂授权一级代理,专注汽车、医疗、工业、新能源! |
询价 | ||
Texas Instruments |
21+ |
516-TEPBGA(27x27) |
5860 |
进口原装!长期供应!绝对优势价格(诚信经营 |
询价 | ||
Texas Instruments |
24+ |
20-WFBGA,DSBGA |
39500 |
一级代理/放心采购 |
询价 | ||
TI |
25+ |
BGA-20 |
4854 |
就找我吧!--邀您体验愉快问购元件! |
询价 | ||
Texas |
25+ |
25000 |
原厂原包 深圳现货 主打品牌 假一赔百 可开票! |
询价 | |||
TI |
23+ |
DSBGA-20 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
TI |
22+ |
20DSBGA |
9000 |
原厂渠道,现货配单 |
询价 |
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