| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1575 | MAX1575 Evaluation Kit General Description The MAX1575 charge pump drives up to four white LEDs in the main display and up to two white LEDs in the sub-display with regulated constant current for uniform intensity. By utilizing adaptive 1x/1.5x chargepump modes and very-low-dropout current regulators, it achieves high 文件:86.69 Kbytes 頁數(shù):4 Pages | MAXIM 美信 | MAXIM | |
MAX1575 | 白光LED、 1倍/1.5倍電荷泵,適用于主屏和次屏顯示器 MAX1575電荷泵能夠以恒定電流驅(qū)動最多4個主屏白色LED或2個子屏白色LED,獲得均勻亮度。利用自適應(yīng)1倍/1.5倍電荷泵模式和超低壓差電流調(diào)節(jié)器,可在單節(jié)Li+電池的整個電壓范圍內(nèi)保持高效率。1MHz固定開關(guān)頻率允許選用小巧的外部元件。經(jīng)過優(yōu)化的調(diào)節(jié)結(jié)構(gòu)保證低EMI和低輸入紋波。\nMAX1575使用一個外部電阻設(shè)置滿量程(100%) LED電流。兩個使能輸入:ENM和ENS,可分別為主屏和子屏提供簡單的開/關(guān)控制。通過向使能端輸入重復(fù)脈沖,可以調(diào)節(jié)LED電流,電流調(diào)節(jié)分多個等級,最低可降至5%。一旦建立了所需要的亮度,只要使能輸入保持高電平,MAX1575即可保持亮度設(shè) ? 為主屏和子屏LED供電 \n? 2% LED電流匹配度 \n? 自適應(yīng)1倍/1.5倍模式切換 \n? 通過單線串行脈沖接口可在5%至100%范圍內(nèi)分別調(diào)節(jié)每路LED的電流 \n? 2.7V至5.5V電源電壓范圍 \n? 輸出過壓保護(hù) \n? 16引腳4mm x 4mm薄型QFN封裝; | ADI 亞德諾 | ADI | |
MAX1575 Evaluation Kit General Description The MAX1575 charge pump drives up to four white LEDs in the main display and up to two white LEDs in the sub-display with regulated constant current for uniform intensity. By utilizing adaptive 1x/1.5x chargepump modes and very-low-dropout current regulators, it achieves high 文件:86.69 Kbytes 頁數(shù):4 Pages | MAXIM 美信 | MAXIM | ||
Package:16-WQFN 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 RGLT MULT-STEP 16TQFN | AD 亞德諾 | AD | ||
Package:16-WQFN 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 RGLT MULT-STEP 16TQFN | AD 亞德諾 | AD | ||
Package:16-WQFN 裸露焊盤;包裝:卷帶(TR) 類別:集成電路(IC) LED 驅(qū)動器 描述:IC LED DRV RGLT MULT-STEP 16TQFN | AD 亞德諾 | AD |
技術(shù)參數(shù)
- Battery Input:
1-Cell Li+
- Regulation Topology:
Charge Pump
- Max. No. of LEDs:
6
- LED Channels:
6
- LED Configuration:
Parallel
- ILED per Channel(A):
0.03
- Dimming Ratio:
20
- Dimming Control:
Serial Pulse
- POUT(W):
0.75
- VIN(V):
5.5
- ICC(mA):
2
- LED String Volt.(V):
5
- Oper. Freq.(kHz):
1000
- Package/Pins:
TQFN/16/
- BudgetaryPrice:
$1.93 @1k
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MAXIM |
25+ |
QFN |
1600 |
強(qiáng)調(diào)現(xiàn)貨,隨時查詢! |
詢價 | ||
MAXIM |
09+ |
QFN |
5500 |
原裝無鉛,優(yōu)勢熱賣 |
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+ |
16QFN |
6980 |
原裝現(xiàn)貨,可開13%稅票 |
詢價 | ||
MAXIM |
24+ |
QFN |
100 |
詢價 | |||
MAXIM |
1708+ |
QFN |
7500 |
只做原裝進(jìn)口,假一罰十 |
詢價 | ||
MAXIM |
25+ |
QFN |
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 |
17+ |
QFN |
9700 |
只做全新進(jìn)口原裝,現(xiàn)貨庫存 |
詢價 | ||
MAXIM |
22+ |
QFN |
5000 |
原裝現(xiàn)貨庫存.價格優(yōu)勢!! |
詢價 | ||
MAX |
24+ |
SMD |
20000 |
一級代理原裝現(xiàn)貨假一罰十 |
詢價 |
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