型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
MAX8901 | Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package 文件:303.04 Kbytes 页数:14 Pages | Maxim 美信 | Maxim | |
MAX8901 | Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package MAX8901A/MAX8901B升压转换器能够以固定电流驱动2至6只串联白光LED (WLED),为手机、PDA和其它手持设备提供亮度均匀的WLED驱动,用于LCD背光。MAX8901_工作在750kHz (典型值)固定开关频率,允许采用小尺寸外部元件,经过优化处理能够在1节锂离子/锂聚合物电池的整个电压范围保持最高效率。\n这两款转换器采用单个输入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM输入调节LED亮度,LED电流正比于PWM占空比。MAX8901B采用单线、串行脉冲调光,提供32级线性调节的LED亮度。利用脉冲串调光时,满量程LED电流为24.75mA (对于 ·效率高达91% \n·2.6V至5.5V输入电压范围\n·固定频率工作模式\n·能够驱动2至6只串联WLED,1.3% LED电流精度\n·灵活的调光控制\n·直接PWM调光(MAX8901A)\n·32级、单线串行调光(MAX8901B)\n·输入欠压锁存\n·输入过压锁存\n·WLED过压保护(25V典型值)\n·0.01µA (典型值)关断电流\n·关断模式下没有WLED电流\n·内部软启动和热关断; | ADI 亚德诺 | ADI | |
Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package General Description The MAX8901A/MAX8901B step-up converters drive from two to six series-connected white LEDs (WLEDs) with constant current to provide uniform WLED intensity for LCD backlighting in cell phones, PDAs, and other handheld devices. The MAX8901_ operate at a fixed 750kHz (typ) switch 文件:298.58 Kbytes 页数:15 Pages | Maxim 美信 | Maxim | ||
Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package General Description The MAX8901A/MAX8901B step-up converters drive from two to six series-connected white LEDs (WLEDs) with constant current to provide uniform WLED intensity for LCD backlighting in cell phones, PDAs, and other handheld devices. The MAX8901_ operate at a fixed 750kHz (typ) switch 文件:298.58 Kbytes 页数:15 Pages | Maxim 美信 | Maxim | ||
Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package General Description The MAX8901A/MAX8901B step-up converters drive from two to six series-connected white LEDs (WLEDs) with constant current to provide uniform WLED intensity for LCD backlighting in cell phones, PDAs, and other handheld devices. The MAX8901_ operate at a fixed 750kHz (typ) switch 文件:298.58 Kbytes 页数:15 Pages | Maxim 美信 | Maxim | ||
Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package General Description The MAX8901A/MAX8901B step-up converters drive from two to six series-connected white LEDs (WLEDs) with constant current to provide uniform WLED intensity for LCD backlighting in cell phones, PDAs, and other handheld devices. The MAX8901_ operate at a fixed 750kHz (typ) switch 文件:298.58 Kbytes 页数:15 Pages | Maxim 美信 | Maxim | ||
Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package 文件:303.04 Kbytes 页数:14 Pages | Maxim 美信 | Maxim | ||
Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package 文件:303.04 Kbytes 页数:14 Pages | Maxim 美信 | Maxim | ||
效率最高的2至6只串联WLED供电电源,2mm x 2mm TDFN封装 MAX8901A/MAX8901B升压转换器能够以固定电流驱动2至6只串联白光LED (WLED),为手机、PDA和其它手持设备提供亮度均匀的WLED驱动,用于LCD背光。MAX8901_工作在750kHz (典型值)固定开关频率,允许采用小尺寸外部元件,经过优化处理能够在1节锂离子/锂聚合物电池的整个电压范围保持最高效率。\n\n 这两款转换器采用单个输入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM输入调节LED亮度,LED电流正比于PWM占空比。MAX8901B采用单线、串行脉冲调光,提供32级线性调节的LED亮度。利用脉冲串调光时,满量程LED电流为24. • 效率高达91% \n• 2.6V至5.5V输入电压范围\n• 固定频率工作模式\n• 能够驱动2至6只串联WLED,1.3% LED电流精度\n• 灵活的调光控制\n• 直接PWM调光(MAX8901A)\n• 32级、单线串行调光(MAX8901B)\n\n\n• 输入欠压锁存\n• 输入过压锁存\n• WLED过压保护(25V典型值)\n• 0.01µA (典型值)关断电流\n• 关断模式下没有WLED电流\n• 内部软启动和热关断; | ADI 亚德诺 | ADI | ||
效率最高的2至6只串联WLED供电电源,2mm x 2mm TDFN封装 MAX8901A/MAX8901B升压转换器能够以固定电流驱动2至6只串联白光LED (WLED),为手机、PDA和其它手持设备提供亮度均匀的WLED驱动,用于LCD背光。MAX8901_工作在750kHz (典型值)固定开关频率,允许采用小尺寸外部元件,经过优化处理能够在1节锂离子/锂聚合物电池的整个电压范围保持最高效率。\n这两款转换器采用单个输入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM输入调节LED亮度,LED电流正比于PWM占空比。MAX8901B采用单线、串行脉冲调光,提供32级线性调节的LED亮度。利用脉冲串调光时,满量程LED电流为24.75mA (对于 ·效率高达91% \n·2.6V至5.5V输入电压范围\n·固定频率工作模式\n·能够驱动2至6只串联WLED,1.3% LED电流精度\n·灵活的调光控制\n·直接PWM调光(MAX8901A)\n·32级、单线串行调光(MAX8901B)\n·输入欠压锁存\n·输入过压锁存\n·WLED过压保护(25V典型值)\n·0.01µA (典型值)关断电流\n·关断模式下没有WLED电流\n·内部软启动和热关断; | ADI 亚德诺 | ADI |
技术参数
- VIN (max)(V):
5.5
- Max. No. of LEDs:
6
- # LED Channels:
1
- Regulation Topology:
Inductor Based
- Battery Input:
1-Cell Li+
- LED Configuration:
Series
- ILED per Channel (max)(A):
0.025
- PWM Dimming Freq. (max)(kHz):
500
- Dimming Control:
PWM
- VCURR_SENSE(mV):
500
- POUT(W):
0.6
- ICC (max)(mA):
0.135
- LED String Volt. (max)(V):
24
- Fxd. Freq.:
Yes
- Switching Frequency(kHz):
750
- Features:
Internal Switch
- Tags:
Backlight
- EV Kit Available:
Yes
- RoHS Available:
See Data Sheet
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
TDFN/8
- Smallest Available Pckg. (max w/pins)(mm2):
4.4
- Budgetary Price (See Notes):
$1.41 @1k
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
25+ |
标准封装 |
18000 |
原厂直接发货进口原装 |
询价 | ||
MAXIM |
0952+ |
TDFN |
2950 |
询价 | |||
MAXIM |
25+ |
SOP-8 |
2250 |
100%全新原装公司现货供应!随时可发货 |
询价 | ||
MAXIM |
23+ |
TDFN-8 |
5000 |
原装正品,假一罚十 |
询价 | ||
MAX |
25+ |
QFN |
3630 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
MAXIM |
24+ |
TDFN-8 |
5000 |
只做原装公司现货 |
询价 | ||
Maxim |
1725+ |
? |
7500 |
只做原装进口,假一罚十 |
询价 | ||
MAXIM |
25+ |
TDFN-8 |
2789 |
原装优势!绝对公司现货! |
询价 | ||
MAXIM |
23+ |
DFN |
8560 |
受权代理!全新原装现货特价热卖! |
询价 | ||
MAXIM |
18+ |
TDFN-8 |
85600 |
保证进口原装可开17%增值税发票 |
询价 |
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