參數(shù)資料
型號(hào)： AAT3174
廠(chǎng)商： Advanced Analogic Technologies, Inc.
英文描述： High Current, High Efficiency Charge Pump
中文描述： 大電流，高效率電荷泵
文件頁(yè)數(shù)： 5/14頁(yè)
文件大?。?/td> 285K
代理商： AAT3174
Typical Characteristics
V
IN
= 3.6V, C
IN
= 4.7μF, C
OUT
= 2.2μF, C
1
= C
2
= 1μF, T
A
= 25°C, unless otherwise noted.
Turn-Off from 1.5X Mode
(V
IN
= 3.2V; I
LED
= 150mA)
Time (200μs/div)
EN
(2V/div)
I
IN
(200mA/div)
V
F
(1V/div)
Turn-On to 2X Mode
(V
IN
= 3.2V; I
LED
= 600mA)
Time (200μs/div)
EN
(2V/div)
V
OUT
(2V/div)
I
IN
(500mA/div)
V
SINK
(1V/div)
Turn-On to 1X Mode
(V
IN
= 4.2V; I
LED
= 600mA)
Time (200μs/div)
EN
(2V/div)
V
OUT
(2V/div)
I
IN
(500mA/div)
V
SINK
(1V/div)
Turn-On to 1.5X Mode
(V
IN
= 3.2V; I
LED
= 150mA)
Time (200μs/div)
EN
(2V/div)
V
OUT
(2V/div)
I
IN
(200mA/div)
V
SINK
(1V/div)
Turn-On to 1X Mode
(V
IN
= 4.2V; I
LED
= 150mA)
Time (200μs/div)
EN
(2V/div)
V
OUT
(2V/div)
I
IN
(200mA/div)
V
SINK
(1V/div)
Efficiency vs. Supply Voltage
Supply Voltage (V)
E
0
10
20
30
40
50
60
70
80
90
100
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
I
LED
= 300mA
I
LED
= 150mA
AAT3174
High Current, High Efficiency Charge Pump
3174.2006.05.1.2
5
相關(guān)PDF資料
PDF描述
AAT3174IWP-T1 High Current, High Efficiency Charge Pump
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AAT3175IWP-T1 High Efficiency 1X/1.5X/2X Charge Pump For White LED Flash Applications
AAT3183 300mA Inductorless Step-Down Converter
AAT3183IJS-1.5-T1 300mA Inductorless Step-Down Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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AAT3176IDH-T1 制造商:SKYWORKS SOLUTIONS INC 功能描述:500MA FLASH DRIVER IC 10TDFN TR
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