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參數(shù)資料
| 型號(hào)： | LTC3490ES8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Single Cell 350mA LED Driver |
| 中文描述： | LED DISPLAY DRIVER, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 123K |
| 代理商： | LTC3490ES8 |
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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| LTC3490ES8#PBF | 功能描述:IC LED DRIVER PHOTO FLASH 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:60 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?線性（LDO），PWM，升壓（升壓） 輸出數(shù):8 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:RGB，白色 LED 頻率:500kHz ~ 1.5MHz 電源電壓:4.75 V ~ 26 V 輸出電壓:45V 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* 工作溫度:-40°C ~ 85°C |
| LTC3490ES8#TRPBF | 功能描述:IC LED DRIVER PHOTO FLASH 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LTC3499 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection |
| LTC3499B | 制造商:LINER 制造商全稱:Linear Technology 功能描述:750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection |
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