| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX8901 | Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package 文件:303.04 Kbytes 頁數(shù):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升壓轉(zhuǎn)換器能夠以固定電流驅(qū)動2至6只串聯(lián)白光LED (WLED),為手機(jī)、PDA和其它手持設(shè)備提供亮度均勻的WLED驅(qū)動,用于LCD背光。MAX8901_工作在750kHz (典型值)固定開關(guān)頻率,允許采用小尺寸外部元件,經(jīng)過優(yōu)化處理能夠在1節(jié)鋰離子/鋰聚合物電池的整個(gè)電壓范圍保持最高效率。\n這兩款轉(zhuǎn)換器采用單個(gè)輸入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM輸入調(diào)節(jié)LED亮度,LED電流正比于PWM占空比。MAX8901B采用單線、串行脈沖調(diào)光,提供32級線性調(diào)節(jié)的LED亮度。利用脈沖串調(diào)光時(shí),滿量程LED電流為24.75mA (對于 ·效率高達(dá)91% \n·2.6V至5.5V輸入電壓范圍\n·固定頻率工作模式\n·能夠驅(qū)動2至6只串聯(lián)WLED,1.3% LED電流精度\n·靈活的調(diào)光控制\n·直接PWM調(diào)光(MAX8901A)\n·32級、單線串行調(diào)光(MAX8901B)\n·輸入欠壓鎖存\n·輸入過壓鎖存\n·WLED過壓保護(hù)(25V典型值)\n·0.01μA (典型值)關(guān)斷電流\n·關(guān)斷模式下沒有WLED電流\n·內(nèi)部軟啟動和熱關(guān)斷; | ADI 亞德諾 | 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 頁數(shù):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 頁數(shù):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 頁數(shù):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 頁數(shù):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 頁數(shù):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 頁數(shù):14 Pages | MAXIM 美信 | MAXIM | ||
效率最高的2至6只串聯(lián)WLED供電電源,2mm x 2mm TDFN封裝 MAX8901A/MAX8901B升壓轉(zhuǎn)換器能夠以固定電流驅(qū)動2至6只串聯(lián)白光LED (WLED),為手機(jī)、PDA和其它手持設(shè)備提供亮度均勻的WLED驅(qū)動,用于LCD背光。MAX8901_工作在750kHz (典型值)固定開關(guān)頻率,允許采用小尺寸外部元件,經(jīng)過優(yōu)化處理能夠在1節(jié)鋰離子/鋰聚合物電池的整個(gè)電壓范圍保持最高效率。\n\n 這兩款轉(zhuǎn)換器采用單個(gè)輸入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM輸入調(diào)節(jié)LED亮度,LED電流正比于PWM占空比。MAX8901B采用單線、串行脈沖調(diào)光,提供32級線性調(diào)節(jié)的LED亮度。利用脈沖串調(diào)光時(shí),滿量程LED電流為24. ? 效率高達(dá)91% \n? 2.6V至5.5V輸入電壓范圍\n? 固定頻率工作模式\n? 能夠驅(qū)動2至6只串聯(lián)WLED,1.3% LED電流精度\n? 靈活的調(diào)光控制\n? 直接PWM調(diào)光(MAX8901A)\n? 32級、單線串行調(diào)光(MAX8901B)\n\n\n? 輸入欠壓鎖存\n? 輸入過壓鎖存\n? WLED過壓保護(hù)(25V典型值)\n? 0.01μA (典型值)關(guān)斷電流\n? 關(guān)斷模式下沒有WLED電流\n? 內(nèi)部軟啟動和熱關(guān)斷; | ADI 亞德諾 | ADI | ||
效率最高的2至6只串聯(lián)WLED供電電源,2mm x 2mm TDFN封裝 MAX8901A/MAX8901B升壓轉(zhuǎn)換器能夠以固定電流驅(qū)動2至6只串聯(lián)白光LED (WLED),為手機(jī)、PDA和其它手持設(shè)備提供亮度均勻的WLED驅(qū)動,用于LCD背光。MAX8901_工作在750kHz (典型值)固定開關(guān)頻率,允許采用小尺寸外部元件,經(jīng)過優(yōu)化處理能夠在1節(jié)鋰離子/鋰聚合物電池的整個(gè)電壓范圍保持最高效率。\n這兩款轉(zhuǎn)換器采用單個(gè)輸入(ON)使能IC并控制WLED亮度。MAX8901A采用直接PWM輸入調(diào)節(jié)LED亮度,LED電流正比于PWM占空比。MAX8901B采用單線、串行脈沖調(diào)光,提供32級線性調(diào)節(jié)的LED亮度。利用脈沖串調(diào)光時(shí),滿量程LED電流為24.75mA (對于 ·效率高達(dá)91% \n·2.6V至5.5V輸入電壓范圍\n·固定頻率工作模式\n·能夠驅(qū)動2至6只串聯(lián)WLED,1.3% LED電流精度\n·靈活的調(diào)光控制\n·直接PWM調(diào)光(MAX8901A)\n·32級、單線串行調(diào)光(MAX8901B)\n·輸入欠壓鎖存\n·輸入過壓鎖存\n·WLED過壓保護(hù)(25V典型值)\n·0.01μA (典型值)關(guān)斷電流\n·關(guān)斷模式下沒有WLED電流\n·內(nèi)部軟啟動和熱關(guān)斷; | ADI 亞德諾 | ADI |
技術(shù)參數(shù)
- 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
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
MAXIM |
25+ |
標(biāo)準(zhǔn)封裝 |
18000 |
原廠直接發(fā)貨進(jìn)口原裝 |
詢價(jià) | ||
MAXIM |
0952+ |
TDFN |
2950 |
詢價(jià) | |||
MAXIM |
23+ |
TDFN-8 |
5000 |
原裝正品,假一罰十 |
詢價(jià) | ||
MAX |
25+ |
QFN |
3630 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價(jià) | ||
MAXIM |
24+ |
TDFN-8 |
5000 |
只做原裝公司現(xiàn)貨 |
詢價(jià) | ||
Maxim |
1725+ |
? |
7500 |
只做原裝進(jìn)口,假一罰十 |
詢價(jià) | ||
MAXIM |
25+ |
TDFN-8 |
2789 |
原裝優(yōu)勢!絕對公司現(xiàn)貨! |
詢價(jià) | ||
MAXIM |
23+ |
DFN |
8560 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣! |
詢價(jià) | ||
MAXIM |
18+ |
TDFN-8 |
85600 |
保證進(jìn)口原裝可開17%增值稅發(fā)票 |
詢價(jià) | ||
MAXIM/美信 |
18+ |
TDFN-8 |
20980 |
全新原裝現(xiàn)貨,可出樣品,可開增值稅發(fā)票 |
詢價(jià) |
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