| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1573 | MAX1573 Evaluation Kit General Description The MAX1573 fractional charge pump drives up to four white LEDs with regulated constant current for uniform intensity. By utilizing proprietary adaptive 1x/1.5x modes and ultra-low-dropout current regulators, it maintains the highest possible efficiency over the full 1-cell Li 文件:345.8 Kbytes 頁數(shù):4 Pages | MAXIM 美信 | MAXIM | |
MAX1573 | 白光LED、1倍/1.5倍電荷泵,UCSP封裝和薄型QFN封裝 MAX1573分數(shù)型電荷泵能夠以恒定電流驅動多達4只白色LED,獲得均勻的亮度。它利用1倍/1.5倍分數(shù)型電荷泵和低壓差電流調節(jié)器,在整個Li+電池供電電壓范圍內(nèi)保持最高的效率。工作在1MHz固定頻率,允許選用小巧的外部元件。經(jīng)過優(yōu)化的電流調節(jié)結構保證低EMI和低輸入紋波。\n\n 利用一個外部電阻可以設置滿量程LED電流,兩個數(shù)字輸入控制開/關或選擇3級亮度中的一級。脈寬調制(PWM)信號也可以用來調節(jié)LED的亮度,無需額外的元件。\n\n MAX1573采用微小的芯片級(UCSP?)封裝(4 x 4焊球)和16引腳、薄型QFN封裝。\n\n ? 專有的自適應1倍/1.5倍模式\n? 效率(PLED/PBATT)高達92%\n? 0.2%的LED電流匹配和精度 \n? 28mA/LED驅動能力 \n? 低輸入紋波和EMI\n? 無需鎮(zhèn)流電阻\n? 數(shù)字邏輯或PWM亮度控制 \n? 低的0.1μA關斷電流\n? 2.7V至5.5V輸入電壓范圍\n? 軟啟動限制浪涌電流\n? 輸出過壓保護\n? 過熱關斷保護\n? 無需外部肖特基二極管 \n? 微型UCSP (2.1mm x 2.1mm x 0.6mm)和薄型QFN (4mm x 4mm)封裝; | ADI 亞德諾 | ADI | |
MAX1573 Evaluation Kit General Description The MAX1573 fractional charge pump drives up to four white LEDs with regulated constant current for uniform intensity. By utilizing proprietary adaptive 1x/1.5x modes and ultra-low-dropout current regulators, it maintains the highest possible efficiency over the full 1-cell Li 文件:345.8 Kbytes 頁數(shù):4 Pages | MAXIM 美信 | MAXIM | ||
MAX1573 Evaluation Kit General Description The MAX1573 fractional charge pump drives up to four white LEDs with regulated constant current for uniform intensity. By utilizing proprietary adaptive 1x/1.5x modes and ultra-low-dropout current regulators, it maintains the highest possible efficiency over the full 1-cell Li 文件:345.8 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 驅動器 描述:IC LED DRV RGLTR PWM 28MA 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 驅動器 描述:IC LED DRV RGLTR PWM 28MA 16TQFN | AD 亞德諾 | AD | ||
包裝:盒 類別:開發(fā)板,套件,編程器 評估板 - LED 驅動器 描述:EVAL KIT MAX1573 | AD 亞德諾 | AD |
技術參數(shù)
- VIN (max)(V):
5.5
- Max. No. of LEDs:
4
- # LED Channels:
4
- Regulation Topology:
Charge Pump
- Battery Input:
1-Cell Li+
- LED Configuration:
Parallel
- ILED per Channel (max)(A):
0.028
- PWM Dimming Freq. (max)(kHz):
50
- Dimming Control:
Digital
- POUT(W):
0.5
- ICC (max)(mA):
4
- LED String Volt. (max)(V):
5
- Fxd. Freq.:
Yes
- Switching Frequency(kHz):
1000
- Features:
Internal Switch
- Tags:
Backlight
- EV Kit Available:
Yes
- RoHS Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
TQFN/16
- Smallest Available Pckg. (max w/pins)(mm2):
16.8
- Budgetary Price (See Notes):
$2.03 @1k
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
QFN-16 |
23+ |
QFN-16 |
3000 |
原裝正品假一罰百!可開增票! |
詢價 | ||
ADI |
25+ |
16-LFCSP-4X4X0.75 |
5500 |
白光LED、1倍/1.5倍電荷泵,UCSP封裝和薄型QFN封裝 |
詢價 | ||
MAXIM |
25+ |
QFN |
5000 |
強調現(xiàn)貨,隨時查詢! |
詢價 | ||
MAX |
05+ |
原廠原裝 |
4288 |
只做全新原裝真實現(xiàn)貨供應 |
詢價 | ||
MAXIM |
2016+ |
QFN |
9000 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
MAXIM |
24+ |
QFN |
4652 |
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存! |
詢價 | ||
MAXIM |
25+ |
QFN |
40 |
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 |
24+ |
(CSP) |
2500 |
原裝現(xiàn)貨假一罰十 |
詢價 | ||
M |
23+ |
QFN16 |
5000 |
原裝正品,假一罰十 |
詢價 | ||
MAXIM |
24+ |
QFN |
228 |
詢價 |
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