| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1554 | High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs 文件:347.51 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | |
MAX1554 | 高效率、40V、升壓型變換器,用于2至10個白光LED驅(qū)動 MAX1553/MAX1554能夠以恒定電流驅(qū)動白色LED,為蜂窩電話、PDA和其它手持設(shè)備提供高效率的背光顯示。升壓轉(zhuǎn)換器包括內(nèi)部40V、低RDSON的N溝道MOSFET開關(guān),大大提高了轉(zhuǎn)換效率、并有效延長電池壽命。MAX1553能夠驅(qū)動2至6個白色LED、提供480mA電流限制;而MAX1554則可驅(qū)動多達(dá)10個白色LED,提供970mA電流限制。\n\n 單路模擬/PWM Dual Mode?輸入提供了兩種簡單的亮度調(diào)節(jié)方法。獨(dú)立的使能輸入提供了開/關(guān)控制。軟啟動功能有效抑制啟動過程的浪涌電流。\n\n MAX1553/MAX1554采用節(jié)省空間的8引腳TDFN 3m ? 高度集成且靈活的方案,適用于寬范圍背光照明應(yīng)用\n? 恒流調(diào)節(jié)提供均勻的LED照明\n\n? 內(nèi)部40V MOSFET開關(guān)可以驅(qū)動10個LED\n\n? 2.7V至5.5V輸入電壓范圍\n\n? 可通過模擬或PWM方式控制LED亮度\n\n? 優(yōu)化于低輸入紋波\n\n\n\n\n? 軟啟動可減小浪涌電流\n\n? 高效率延長電池壽命\n? 驅(qū)動6個LED時,效率可達(dá)88%\n\n? 驅(qū)動9個LED時,效率可達(dá)82% (20mA,VCC?= 3.6V)\n\n\n\n\n? 微小、8引腳、3mm x 3mm TDFN封裝,節(jié)省空間\n? 小尺寸、薄型外部元件; | ADI 亞德諾 | ADI | |
High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs 文件:347.51 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs 文件:225.55 Kbytes 頁數(shù):10 Pages | MAXIM 美信 | MAXIM | ||
Package:8-WDFN 裸露焊盤;包裝:管件 類別:集成電路(IC) LED 驅(qū)動器 描述:IC LED DRV RGLTR PWM 970MA 8TDFN | AD 亞德諾 | AD |
技術(shù)參數(shù)
- VIN (max)(V):
5.5
- Max. No. of LEDs:
10
- # LED Channels:
1
- Regulation Topology:
Inductor Based
- Battery Input:
1-Cell Li+
- LED Configuration:
Series
- ILED per Channel (max)(A):
0.02
- PWM Dimming Freq. (max)(kHz):
10
- Dimming Ratio (max):
10
- Dimming Control:
Analog
- VCURR_SENSE(mV):
200
- POUT(W):
0.8
- ICC (max)(mA):
0.65
- LED String Volt. (max)(V):
40
- Fxd. Freq.:
No
- Switching Frequency(kHz):
250
- Features:
Internal Switch
- Tags:
Backlight
- EV Kit Available:
Yes
- RoHS Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
TDFN/8
- Smallest Available Pckg. (max w/pins)(mm2):
9.6
- Budgetary Price (See Notes):
$1.42 @1k
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
ADI |
25+ |
Thin Dual Flatpack No Leads, E |
5500 |
高效率、40V、升壓型變換器,用于2至10個白光LED驅(qū)動 |
詢價 | ||
MAXIM |
23+ |
QFN |
7000 |
絕對全新原裝!100%保質(zhì)量特價!請放心訂購! |
詢價 | ||
MAXIM |
16+ |
A |
8000 |
原裝現(xiàn)貨請來電咨詢 |
詢價 | ||
MAXIM |
24+ |
TDFN8 |
8520 |
詢價 | |||
MAXIM |
24+ |
QFN |
4652 |
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強(qiáng)勢庫存! |
詢價 | ||
MAXIM |
24+ |
8253 |
原裝現(xiàn)貨假一罰十 |
詢價 | |||
MAXIM |
2016+ |
QFN |
3000 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
Maxim |
1706+ |
? |
7500 |
只做原裝進(jìn)口,假一罰十 |
詢價 | ||
MAXIM |
25+ |
DFN-8 |
4500 |
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價 | ||
MAXIM |
22+ |
QFN |
5000 |
原裝現(xiàn)貨庫存.價格優(yōu)勢!! |
詢價 |
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