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參數(shù)資料
| 型號(hào)： | LT3479 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | Single Cell 350mA LED Driver |
| 中文描述： | 單細(xì)胞350mA的LED驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 123K |
| 代理商： | LT3479 |
9
LTC3490
3490f
TYPICAL APPLICATIO S
2-Cell Adjustable Amplitude LED Driver
+
+
SW
CAP
LED
2 NiMH OR
ALKALINE
CELLS
4.7
μ
F
LOBAT
3490 TA03
V
IN
CTRL/SHDN
CELLS
1M
LUMILEDS
LUXEON
LXHL-BW02
GND
LTC3490
3.3
μ
H
ON/OFF
Soft Turn-Off LED Driver
+
SW
CAP
LED
1 NiMH OR
ALKALINE
CELL
4.7
μ
F
LOBAT
3490 TA04
V
IN
CTRL/SHDN
CELLS
1M
ON/OFF
1
μ
F
LUMILEDS
LUXEON
LXHL-BW02
GND
LTC3490
3.3
μ
H
350mA
APPLICATIU
Red Luxeon LEDs
The red, red-orange and amber Luxeon LEDs have a lower
forward voltage than the white, blue and green LEDs. Since
the LTC3490 internal circuitry is powered from the output,
it requires a minimum LED voltage of 2.5V for reliable
operation. The minimum forward voltage on the red LEDs
W
U
U
is only 2.31V. The LTC3490 requires an additional 190mV
for proper operation. In non-dimming applications, this can
be accomplished with a 0.6
resistor in series with the
LED. The resistor voltage drops too low in dimming appli-
cations, so a Schottky diode is recommended to keep
sufficient voltage at the output at lower currents.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3479EDE | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Up 2.5V to 24V 14-Pin DFN EP |
| LT3479EDE#PBF | 功能描述:IC REG BOOST INV ADJ 3A 14DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁(yè)面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT3479EDE#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER CURRENT MODE 制造商:Linear Technology 功能描述:DC-DC CONVERTER, CURRENT MODE, 3.5MHZ, D |
| LT3479EDE#TRPBF | 功能描述:IC REG BOOST INV ADJ 3A 14DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT3479EDEPBF | 制造商:Linear Technology 功能描述:DC-DC Soft-Start&Inrush Protection DFN14 |
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