參數(shù)資料
型號： AAT3119
廠商： Advanced Analog Technology,lnc.
英文描述： High Efficiency 2X Charge Pump
中文描述： 高效率2倍充電泵
文件頁數(shù)： 14/18頁
文件大小： 529K
代理商： AAT3119
AAT3119
High Efficiency 2X Charge Pump
14
3119.2007.02.1.2
If a "light" or "movie" mode is also needed along
with the flash function, this can be accomplished
with the addition of a second ballast resistor with a
flash function gating MOSFET switch as shown in
Figure 3. Refer to the following equations for the
calculation of flash and light resistors, R
F
and R
L
.
Where:
R
L
=
Light mode ballast resistor value in
ohms (
Ω
)
V
OUT
=
Regulated charge pump output voltage
(typically 4.5V)
V
F
=
Flash LED forward voltage at the
desired forward current
I
F
=
Desired flash LED forward current in
the "light" mode
Where:
R
F
R
DS
V
OUT
=
=
Flash ballast resistor value in ohms (
Ω
)
=
Flash gating MOSFET on resistance
Regulated charge pump output voltage
(typically 4.5V)
V
F
=
Flash LED forward voltage at the
desired forward current
I
F
=
Desired flash LED forward current
R
F
=
- R
DS
(V
OUT
- V
F)
I
F
R
L
= (V
OUT
- V
F
)
I
F
Figure 2: Flash LED Application.
AAT3119
IN
GND
EN
OUT
4.5V
C
OUT
1
μ
F
C
IN
1
μ
F
R
F
1
μ
F
C
FLY
V
IN
Enable
Flash LED
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PDF描述
AAT3119IJS-4.5-T1 High Efficiency 2X Charge Pump
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相關代理商/技術參數(shù)
參數(shù)描述
AAT3119_07 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 2X Charge Pump
AAT3119IJS-4.5-T1 制造商:Skyworks Solutions Inc 功能描述:LED Lighting Drivers High Efficiency 2X Charge Pump
AAT3119IJS-5.0-T1 制造商:Advanced Analogic Tech 功能描述:AAT3119 Series 1.2MHz 150mA Step up High Efficiency 2X Charge Pump-SC70JW - 8 制造商:SKYWORKS SOLUTIONS 功能描述:AAT3119 Series 1.2MHz 150mA Step up High Efficiency 2X Charge Pump-SC70JW - 8 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC
AAT3120 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3-Channel Charge Pump For White LED Applications
AAT3120ITP-T1 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC
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