| 型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1577 | 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights 文件:670.39 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | |
MAX1577 | 1.2A White LED 1x/2x Charge Pump for Camera Flash in 3x3mm TDFN MAX1577Y/MAX1577Z電荷泵用于驅(qū)動(dòng)白光LED,如相機(jī)閃光燈,調(diào)節(jié)電流最大1.2A (確保800mA)。即使電池輸入電壓很低,其極低的開環(huán)阻抗仍可以保證很高的閃光亮度。自適應(yīng)1倍/2倍調(diào)節(jié)電荷泵工作方式在電影模式或背光時(shí)可提供很高的效率(最大92%)。由于采用了高速(1MHz)開關(guān),可使用小型外部元件。\n MAX1577Y/MAX1577Z采用外部電阻設(shè)置滿幅LED電流。兩個(gè)使能輸入(EN1和EN2)提供簡單的開/關(guān)控制以及LED滿幅電流20%, 33%或100%的設(shè)置。當(dāng)外部電阻上電壓小于24mV時(shí),輸出電壓將被調(diào)節(jié)。MAX1577Z具有固定的5 \n? 最大1.2A輸出驅(qū)動(dòng)能力(確保800mA) \n? 電影模式下,最大92% PLED / PBATT效率 \n? 靈活的亮度控制\n? 兩位邏輯實(shí)現(xiàn)100%,33%,20%和關(guān)斷控制 \n? 20%至100%的PWM控制 \n? 3%電流調(diào)節(jié)適應(yīng)線纜和溫度變化 \n? 閃光燈和背光的電壓或電流調(diào)節(jié)(MAX1577Y) \n? 閃光燈的電流調(diào)節(jié)(MAX1577Z) \n? 低波紋和EMI \n? 2.7V至5.5V電壓供電范圍 \n? 軟起動(dòng)限制浪涌電流 \n? 輸出電壓調(diào)節(jié)模式 \n? 熱關(guān)斷保護(hù) \n? 8引腳3mm x 3mm; | ADI 亞德諾 | ADI | |
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights General Description The MAX1577Y/MAX1577Z charge pumps drive white LEDs, including camera strobes, with regulated current up to 1.2A (guaranteed to 800mA). The very low openloop output resistance allows high flash brightness, even from a low battery input voltage. The adaptive 1x/2x regulating ch 文件:664.73 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights General Description The MAX1577Y/MAX1577Z charge pumps drive white LEDs, including camera strobes, with regulated current up to 1.2A (guaranteed to 800mA). The very low openloop output resistance allows high flash brightness, even from a low battery input voltage. The adaptive 1x/2x regulating ch 文件:664.73 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights General Description The MAX1577Y/MAX1577Z charge pumps drive white LEDs, including camera strobes, with regulated current up to 1.2A (guaranteed to 800mA). The very low openloop output resistance allows high flash brightness, even from a low battery input voltage. The adaptive 1x/2x regulating ch 文件:664.73 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights 文件:670.39 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights 文件:670.39 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights 文件:670.39 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights 文件:670.39 Kbytes 頁數(shù):11 Pages | MAXIM 美信 | MAXIM | ||
1.2A白光LED調(diào)節(jié)電荷泵,用于相機(jī)閃光燈和放映燈 MAX1577Y/MAX1577Z電荷泵用于驅(qū)動(dòng)白光LED,如相機(jī)閃光燈,調(diào)節(jié)電流最大1.2A (確保800mA)。即使電池輸入電壓很低,其極低的開環(huán)阻抗仍可以保證很高的閃光亮度。自適應(yīng)1倍/2倍調(diào)節(jié)電荷泵工作方式在電影模式或背光時(shí)可提供很高的效率(最大92%)。由于采用了高速(1MHz)開關(guān),可使用小型外部元件。\n MAX1577Y/MAX1577Z采用外部電阻設(shè)置滿幅LED電流。兩個(gè)使能輸入(EN1和EN2)提供簡單的開/關(guān)控制以及LED滿幅電流20%, 33%或100%的設(shè)置。當(dāng)外部電阻上電壓小于24mV時(shí),輸出電壓將被調(diào)節(jié)。MAX1577Z具有固定的5 \n? 最大1.2A輸出驅(qū)動(dòng)能力(確保800mA) \n? 電影模式下,最大92% PLED / PBATT效率 \n? 靈活的亮度控制\n? 兩位邏輯實(shí)現(xiàn)100%,33%,20%和關(guān)斷控制 \n? 20%至100%的PWM控制 \n? 3%電流調(diào)節(jié)適應(yīng)線纜和溫度變化 \n? 閃光燈和背光的電壓或電流調(diào)節(jié)(MAX1577Y) \n? 閃光燈的電流調(diào)節(jié)(MAX1577Z) \n? 低波紋和EMI \n? 2.7V至5.5V電壓供電范圍 \n? 軟起動(dòng)限制浪涌電流 \n? 輸出電壓調(diào)節(jié)模式 \n? 熱關(guān)斷保護(hù) \n? 8引腳3mm x 3mm; | ADI 亞德諾 | ADI |
技術(shù)參數(shù)
- VIN (max)(V):
5.5
- Max. No. of LEDs:
1
- # LED Channels:
1
- Regulation Topology:
Charge Pump
- Battery Input:
1-Cell Li+
- LED Configuration:
Parallel
- ILED per Channel (max)(A):
1.2
- PWM Dimming Freq. (max)(kHz):
5
- Dimming Ratio (max):
5
- Dimming Control:
Digital
- POUT(W):
5
- ICC (max)(mA):
5
- LED String Volt. (max)(V):
5.1
- Fxd. Freq.:
Yes
- Switching Frequency(kHz):
1000
- Features:
Internal Switch
- 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):
9.6
- Budgetary Price (See Notes):
$2.03 @1k
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
MAXIM |
24+ |
BGA |
2600 |
原裝現(xiàn)貨假一賠十 |
詢價(jià) | ||
MAXIM |
22+ |
BGA |
3000 |
原裝正品,支持實(shí)單 |
詢價(jià) | ||
MAXIM |
24+ |
DFN8 |
500 |
詢價(jià) | |||
MAXIM |
25+ |
QFN8 |
138 |
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+ |
QFN |
4652 |
公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢(shì)庫存! |
詢價(jià) | ||
MAX |
24+ |
QFN8 |
5000 |
全現(xiàn)原裝公司現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
22+ |
DFN-8 |
5000 |
原裝現(xiàn)貨庫存.價(jià)格優(yōu)勢(shì)!! |
詢價(jià) | ||
MAXIM |
23+ |
QFN8 |
8560 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣! |
詢價(jià) | ||
MAXIM |
25+23+ |
DFN |
43627 |
絕對(duì)原裝正品現(xiàn)貨,全新深圳原裝進(jìn)口現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
18+ |
TDFN8 |
85600 |
保證進(jìn)口原裝可開17%增值稅發(fā)票 |
詢價(jià) |
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